1980-1989 Publications

173. Preparation of β-ketomacrolactones and β-ketodiolides using St-butyl 3-oxobutanethioate and St-butyl 4-diethylphosophono-3-oxobutanethioate P.M. Booth, H.B. Broughton, M.J. Ford, C.M.J. Fox, S.V. Ley, A.M.Z. Slawin, D.J. Williams, P.R. Woodward, Tetrahedron 1989, 45, 7565-7580.

172. A highly convergent total synthesis of the spiroacetal macrolide (+)-milbemycin b1 S.V. Ley, N.J. Anthony, A. Armstrong, M.G. Brasca, T. Clarke, C. Greck, P. Grice, A.B. Jones, B. Lygo, A. Madin, R.N. Sheppard, A.M.Z. Slawin, D.J. Williams, Tetrahedron 1989, 45, 7161-7194.

171. The first crystal and molecular structure of lanthanide homodinuclear macrocyclic complexes showing metal-metal pair interactions I.A. Kahwa, S. Folkes, D.J. Williams, S.V. Ley, C.A. O’Mahoney, G.L. McPherson, J. Chem. Soc., Chem. Commun1989, 1531-1533.

170. Ultrasound in synthesis, reactivity and structure concepts in organic chemistry, Vol. 27, Verlag, Berlin, Heidelberg, New York, 1989, ISBN 3-540-51023-0.

169. The structure of two new clerodane diterpenoid potential insect antifeedants from Scutellaria woronowii (Juz); jodrellin A and B J.C. Anderson, W.M. Blaney, M.D. Cole, L.E. Fellows, S.V. Ley, R.N. Sheppard, M.S.J. Simmonds, Tetrahedron Lett. 1989, 30, 4737-4740.

168. The chemistry of the neem tree P.S. Jones, S.V. Ley, E.D. Morgan, D. Santafianos in Phytochemical Pesticides. Ed. M. Jacobson, CRC Press Inc., Boca Raton Florida, Vol 1, 1989, 19-45.

167. Insect antifeedants from Azadirachta indica (Part 5): chemical modification and structure-activity relationships of azadirachtin and some related limonoids S.V. Ley, J.C. Anderson, W.M. Blaney, Z. Lidert, E.D. Morgan, P.S. Jones, N.G. Robinson, D. Santafianos, M.S. J. Simmonds, P.L. Toogood, Tetrahedron 1989, 45, 5175-5192.

166. Substitution reactions of 2-benzenesulphonyl cyclic ethers with carbon nucleophiles D.S. Brown, M. Bruno, R.J. Davenport, S.V. Ley, Tetrahedron 1989, 45, 4293-4308.

165. Microbial oxidation in synthesis: preparations of 6-deoxy cyclitol analogues of myo-inositol 1,4,5-trisphosphate from benzene S.V. Ley, M. Parra-Alvarez, A.J. Redgrave, F. Sternfeld, Tetrahedron Lett. 1989, 30, 3557-3560.

164. Total synthesis of (+)-milbemycin b1 N.J. Anthony, A. Armstrong, S.V. Ley, A. Madin, Tetrahedron Lett. 1989, 30, 3209-3212.

163. Microbial oxidation in synthesis: preparation of (+)-and (–)-pinitol from benzene S.V. Ley and F. Sternfeld, Tetrahedron 1989, 45, 3463-3476.

162. Substitution reactions of 2-benzenesulphonyl cyclic ethers with silyl enol ethers promoted by aluminium trichloride D.S. Brown, S.V. Ley, M. Bruno, Heterocycles 1989, 28, (Special Issue No. 2), 773-777.

161. Chemistry of insect antifeedants from Azadirachta indica (Part 4): synthesis towards the limonoid azadirachtin; preparation of a functionalised decalin fragment S.V. Ley, A. Abad Somovilla, H.B. Broughton, D. Craig, A.M.Z. Slawin, P.L. Toogood, D.J. Williams, Tetrahedron 1989, 45, 2143-2164.

160. The antifeedant activity of clerodane diterpenes from teucrium M.J.S. Simmonds, W.M. Blaney, S.V. Ley, G. Savona, M. Bruno, B. Rodriguez. Phytochemistry 1989, 28, 1069-1071.

159. Recent developments in natural product synthesis S.V. Ley, Pure and Appl. Chem1989, 61, 401-404.

158. Preparation of O-methyl 3-acyl tetronic acids by direct acylation of stannyl tetronates S.V. Ley and D.J. Wadsworth, Tetrahedron Lett. 1989, 30, 1001-1004.

157. Activity of drimane antifeedants and related compounds against aphids and comparative biological effects and chemical reactivity of (–)- and (+)-polygodial Y. Asakawa, G.W. Dawson, D.C. Griffiths, J.-Y. Lallemand, S.V. Ley, K. Mori, A. Mudd, M. Pezechk-Leclaire, J.A. Pickett, H. Watanabe, C.M. Woodcock, Z. Zhong-Ning, J. Chem. Ecol. 1988, 14, 1845-1855.

156. Organic synthesis with tricarbonyliron lactone complexes S.V. Ley, Phil. Trans. R. Soc. Lond. 1988, 326, 633-640.

155. Use of t-butyl 4-diethylphosphono-3-oxobutanethioate for tetramic acid synthesis: total synthesis of the plasmodial pigment fuligorubin A S.V. Ley, S.C. Smith and P.R. Woodward, Tetrahedron Lett. 1988, 29, 5829-5832.

154. Chemistry of insect antifeedants from Azadirachta indica (part 3): reactions on the C-22,23 enol ether double bond of azadirachtin and conversion to the 22,23-dihydro-23b-methoxyazadirachtin J.C. Anderson, S. V. Ley, N.G. Robinson, W.M. Blaney, Z. Lidert, E.D. Morgan, M.S.J. Simmonds, Tetrahedron Lett. 1988, 29, 5433-5436.

153. Microbial oxidation in synthesis. Preparation from benzene of the cellular secondary messenger myo-inositol-1,4,5-trisphosphate (IP3) and related derivatives S.V. Ley and F. Sternfeld, Tetrahedron Lett. 1988, 29, 5305-5308.

152. Preparation of cyclic ether acetals from 2-benzenesulphonyl derivatives: a new mild glycosidation procedure D.S. Brown, S.V. Ley, S. Vile, Tetrahedron Lett. 1988, 29, 4873-4876.

151. Direct substitution of 2-benzenesulphonyl cyclic ethers using organozinc reagents D.S. Brown and S.V. Ley, Tetrahedron Lett. 1988, 29, 4869.

150. Insect antifeedants: a behavioural and electrophysiological investigation of natural and synthetically derived clerodane diterpenoids W.M. Blaney, M.S. H. Simmonds, S.V. Ley, P.S. Jones, Entomol. Exp. Appl. 1988, 29, 267-274.

149. Chemistry of insect antifeedants from azadirachta indica (part 2): synthesis of a polyoxygenated decalin with limonoid structural homology M.G. Brasca, H.B. Broughton, D. Craig, S.V. Ley, A. Abad Sommovilla, P.L. Toogood, Tetrahedron Lett. 1988, 29, 1853-1856.

148. Chemistry of insect antifeedants from azadirachta indica (part 1): conversion from the azadirachtin to the azadirachtin skeletons J.N. Bilton, P.S. Jones, S.V. Ley, N.G. Robinson, R.N. Sheppard, Tetrahedron Lett. 1988, 29, 1849-1852.

147. Preparation of tert-butyl acetothioacetate and use in the synthesis of 3-acetyl-4-hydroxy-5,5-dimethylfuran-2(5H)-one C.M.J. Fox and S.V. Ley, Org. Synth. 1987, 66, 108.

146. Natural pesticides from the neem tree (Azadirachta indica A. Juss) and other tropical plants Publ. Dt. Ges. Fur. Techn. Zusammenarbeit (GTZ) GmbH. Ed. H. Schmutherer. H.B. Broughton, P.S. Jones, S.V. Ley, E.D. Morgan, A.M.Z. Slawin, D.J. Williams, 1987, 103.

145. Development of a synthetic route towards milbemycin b1: preparation of an advanced model system N.J. Anthony, P. Grice, S.V. Ley, Tetrahedron Lett. 1987, 28, 5763-5766.

144. Synthesis of a novel 3,4-dihydromilbemycin analogue C. Greck, P. Grice, A.B. Jones, S.V. Ley, Tetrahedron Lett1987, 28, 5759-5762.

143. Synthesis of the monocyclic nonaromatic C-1 to C-10 fragments of the milbemycins and avermectins N.J. Anthony, T. Clarke, A.B. Jones, S.V. Ley, Tetrahedron Lett. 1987, 28, 5755-5758.

142. A conformational study of bafilomycin A1 by x-ray crystallography and NMR techniques G.H. Baker, P.J. Brown, R.J.J. Dorgan, J.R. Everet, S.V. Ley, A.M.Z. Slawin, D.J. Williams, Tetrahedron Lett. 1987, 28, 5565-5568.

141. Preparation and use of tetra-n-butylammonium perruthenate (TBAP reagent) and tetra-n-propylammonium perruthenate (TPAP reagent) as new catalytic oxidants for alcohols W.P. Griffiths, S.V. Ley, G.P. Whitecombe, A.D. White, J. Chem. Soc., Chem. Commun1987, 1625-1627.

140. Progress towards avermectins and milbemycins S.V. Ley, Pestic. Sci. 1987, 18, 153-154

139. The use of β-ketothioesters for the exceptionally mild preparation of β-ketoamides S.V. Ley and P.R. Woodward, Tetrahedron Lett. 1987, 28, 3019-3020.

138. An x-ray crystallographic, mass spectroscopic and NMR study of the limonoid insect antifeedant azadirachtin and related derivatives J.N. Bilton, H.B. Broughton, P.S. Jones, S.V. Ley, Z. Lidert, E.D. Morgan, H.S. Rzepa, R.N. Sheppard, A.M. Z. Slawin, D.J. Williams, Tetrahedron 1987, 43, 2805-2815.

137. An ectrophysiological and behavioural study of insect antifeedants properties of natural and synthetic drimane related compounds W.M. Blaney, M.S. J. Simmonds, S.V. Ley, R.B. Katz, Physiol. Entomol. 1987, 12, 281.

136. Synthesis of insect antifeedants  in Pesticide Science and Biotechnology S.V. Ley. Ed R. Greenhalgh and T.R. Roberts, Blackwell, Oxford, 1987, 25.

135. Seleninic anhydrides and acids in organic synthesis in Organoselenium Chemistry S.V. Ley. Ed. D. Liotta, J. Wiley, New York, 1987, 163.

134. Use of t-butylacetothioacetate in the preparation of milbemycin seco- analogues T. Clarke and S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1987, 131-135.

133. Preparation of acyltetronic acids using t-butyl acetothioacetate: total synthesis of the fungal metabolites carolic, carlosic and carlic acids P.M. Booth, C.M.J. Fox, S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1987, 121-129.

132. Preparation of t-butyl-4-diethylphosphono-3-oxobutanethioate and use in the synthesis of (E)-4-alkenyl-3-oxoesters and macrolides S.V. Ley and P.R. Woodward, Tetrahedron Lett. 1987, 28, 345-346.

131. Microbial oxidation in synthesis: a six step preparation of (+)-pinitol from benzene S.V. Ley, S. Taylor, F. Sternfeld, Tetrahedron Lett. 1987, 28, 225-226.

130. Synthesis of a hydroxy dihydrofuran acetal related to azadirachtin: a potent insect antifeedant S.V. Ley, D. Santafianos, W.M. Blaney, M.S.J. Simmonds, Tetrahedron Lett. 1987, 28, 221-224.

129. Total synthesis of the insect antifeedant ajugarin I and degradation studies of related clerodane diterpenes P.S. Jones, S.V. Ley, N.S. Simpkins, A.J. Whittle, Tetrahedron 1986, 42, 6519-6534.

128. Preparation of spiroketals by reaction of anions from 2-benzenesulphonyl-tetrahydropyrans with epoxides: synthesis of the C-11 to C-25 fragment of the milbemycins C. Greck, P. Grice, S.V. Ley, A. Wonnacott, Tetrahedron Lett. 1986, 27, 5277-5280.

127. Ultrasonic formation and reactions of sodium phenylselenide, S.V. Ley, I.A. O’Neil, C.M.R. Low, Tetrahedron 1986, 42, 5363-5368.

126. Alkylation reactions of anions derived from 2-benzenesulphonyl tetrahydropyran and their application to spiroketal synthesis S.V. Ley, B. Lygo, F. Sternfeld, A. Wonnacott, Tetrahedron 1986, 42, 4333-4342.

125. Preparation of 2-substituted pyrroles and indoles by regioselective alkylation and deprotection of 1-(2′-trimethylsilylethoxymethyl) pyrrole and 1-(2′-trimethylsilylethoxymethyl)indole M.P. Edwards, A.M. Doherty, S.V. Ley, H.M. Organ, Tetrahedron 1986, 42, 3723-3729.

124. Synthesis of trisubstituted tetrahydrofurans via the use of an organoselenium-mediated cyclisation reaction G. Brussani, S.V. Ley, J.L. Wright, D.J.Williams, J. Chem. Soc., Perkin Trans. 1 1986, 303-307.

123. Application of ultrasound to the preparation of tricarbonyliron diene complexes S.V. Ley, C.M.R. Low, A.D. White, J. Organometallic Chem1986, C13-C16.

122. Synthetic approaches to the teleocidin-related tumour promoters: a total synthesis of indolactam V S.E. de Laszlo, S.V. Ley and R.A. Porter, J. Chem. Soc., Chem. Commun. 1986, 344-346.

121. X-ray crystallographic structure determination of detigloyldihydroazadirachtin and reassignment of the structure of the limonoid insect antifeedant azadirachtin H.B. Broughton, S.V. Ley, E.D. Morgan, A.M.Z. Slawin, D.J. Williams, J. Chem. Soc., Chem. Commun. 1986, 46-47.

120. Synthetic studies towards the acyltetronic acid ionophore M139603 A.M. Doherty and S.V. Ley, Tetrahedron Lett. 1986, 27, 105-108.

119. The use of t-butyl acetothioacetate as a route to bis-β-ketomacrolides C.M.J. Fox, S.V. Ley, A.M.Z. Slawin, D.J. Williams, J. Chem. Soc., Chem. Commun. 1985, 1805-1806.

118. Synthesis of the β-lactam antibiotic (+)-thienamycin via an intermediate π-allyltricarbonyliron lactone complex S.T. Hodgson, D.M. Hollinshead, S.V. Ley, Tetrahedron 1985, 41, 5871-5878.

117. Use of π-allyltricarbonyliron lactam complexes in the preparation of nocardicin derivatives: synthesis of (–)-3-oxo-1-[(p-benzyloxyphenyl)-benzyloxycarbonylmethyl]azetidin-2-one S.T. Hodgson, D.M. Hollinshead, S.V. Ley, C.M.R. Low, D.J. Williams. J. Chem. Soc., Perkin Trans. 1 1985, 2375-2381.

116. Total synthesis of the sesquiterpene hirsutene using an organoselenium-mediated cyclisation reaction S.V. Ley, P.J. Murray, B.D. Palmer, Tetrahedron 1985, 41, 4765-4769.

115. Synthesis of the northern hemisphere of the milbemycins using a new strategy for the formation of the C-15 to C-16 bond D. Culshaw, P. Grice, S.V. Ley, G.A. Strange, Tetrahedron Lett. 1985, 26, 5837-5840.

114. Structural reappraisal of the limonoid insect antifeedant azadirachtin J.N. Bilton, H.B. Broughton, S.V. Ley, Z. Lidert, E.D. Morgan, H.S. Rzepa, R.N. Sheppard, J. Chem. Soc., Chem. Commun1985, 968-971.

113. Preparation of vinylic sulphones by Peterson olefination using phenyl trimethylsilylmethyl sulphone D. Craig, S.V. Ley, N.S. Simpkins, G.H. Whitham, M.J. Prior, J. Chem. Soc., Perkin Trans. 1 1985, 1949-1952.

112. Wittig and Horner-Wittig coupling reactions of 2-substituted cyclic ethers and their application to spiroketal synthesis S.V. Ley, B. Lygo, H.M. Organ, A. Wonnacott, Tetrahedron 1985, 41, 3825-3836.

111. Synthesis of some insect antifeedants S.V. Ley, Society of Chemical Industry/Royal Society of Chemistry Symposium Special Publication No. 53, 1985, 307.

110. Organometallics in synthesis, part I, the transition elements D.M. Hollinshead and S.V. Ley, Royal Society of Chemistry, Specialist Periodical Reports, Gen. Synth. Meth. 1985, 7, 233.

109. Natural product synthesis using π-allyltricarbonyliron lactone complexes: synthesis of parasorbic acid, the carpenter bee pheromone and malyngolide A.M. Horton and S.V. Ley, J. Organometallic Chem. 1985, 285, C17-C20.

108. Synthetic applications of ynes, enes and ones; organoselenium-mediated cyclisation reactions in organic synthesis S.V. Ley, Chem. and Ind. 1985, 101-106.

107. Preparation and reactions of 2-benzenesulphonyltetrahydropyran S.V. Ley, B. Lygo, A. Wonnacott, Tetrahedron Lett. 1985, 26, 535-538.

106. Total synthesis of the ionophore antibiotic X-14547A (indanomycin) M.P. Edwards, S.V. Ley, S.G. Lister, B.D. Palmer, D.J. Williams, J. Org. Chem. 1984, 49, 3503-3516.

105. Natural product synthesis via π-allyltricarbonyliron lactone complexes G.D. Annis, E.M. Hebblethwaite, S.T. Hodgson, A.M. Horton, D. M. Hollinshead, S.V. Ley, C.R. Self, R. Sivaramakrishnan, 2nd SCI/RSC Medicinal Chemistry Symposium. Special Publication, No. 50, 1984, 148-161.

104. Synthesis of (+/-)cis-6-methyltetrahydropyran-2-yl acetic acid a natural product from Viverra civetta using organoselenium-mediated cyclisation reactions S.V. Ley, B. Lygo, H. Molines, J. Chem. Soc., Perkin Trans. 1, 1984, 2403-2405.

103. Synthesis of the spiroacetal unit related to the avermectins and milbemycins J. Godoy, S.V. Ley, B. Lygo, J. Chem. Soc., Chem. Commun. 1984, 1381-1382.

102. The use of 3-acetoxy-1-trimethylsilylbutadiene in the synthesis of anthracyclinone derivatives P.C. Bulman-Page and S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1984, 1847-1858.

101. Novel rearrangement of the ionophore antibiotic X-14547 (indanomycin) and related derivatives induced by lithium tetrafluoroborate M.P. Edwards and S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1984, 1761-1763.

100. Fe2(CO)9 in tetrahydrofuran or under sonochemical conditions as convenient routes to π-allyltricarbonyliron lactone complexes A.M. Horton, D.M. Hollinshead, S.V. Ley, Tetrahedron 1984, 40, 1737-1742.

99. Synthesis of spiroacetals using organoselenium mediated cyclisation reactions, x-ray molecular structure of (2S, 8R)-8-methyl-2-phenyl-1,7-dioxaspiro-[5.5]undecan-4(R)-ol A.M. Doherty, S.V. Ley, B. Lygo, D.J. Williams, J. Chem. Soc., Perkin Trans. 1 1984, 1371-1377.

98. π-Allyltricarbonyliron lactone complexes in synthesis: application to the synthesis of the β-lactam antibiotic (+)-thienamycin S.T. Hodgson, D.M. Hollinshead, S.V. Ley, J. Chem. Soc., Chem. Commun. 1984, 494-496.

97. Oxo complexes of ruthenium (VI) and (VII) as organic oxidants G. Green, W.P. Griffith, D.M. Hollinshead, S.V. Ley, M. Schrader, J. Chem. Soc., Perkin Trans. 1 1984, 681.

96. A new route to spiroketals using the Horner-Wittig reaction of 2- diphenylphosphinoxy cyclic ethers S.V. Ley and B. Lygo, Tetrahedron Lett. 1984, 25, 113-116.

95. Peterson olefination using phenylsulphonyltrimethylsilylmethane. A new preparation of vinylic sulphones S.V. Ley and N.S. Simpkins, J. Chem. Soc., Chem. Commun. 1983, 1281-1282.

94. Regiospecific alkylation of β-ketothioesters and use in the synthesis of acyltetronic acids P.M. Booth, C.M.J. Fox, S.V. Ley, Tetrahedron Lett. 1983, 24, 5143-5146.

93. Synthesis of β-lactams from π-allyltricarbonyliron lactone complexes G.D. Annis, E.M. Hebblethwaite, S.T. Hodgson, D.M. Hollinshead, S.V.Ley, J. Chem. Soc., Perkin Trans. 1 1983, 2851-2856.

92. Stereochemistry of a 5,5,10-trimethyldecan-2-one by 1H-NMR: A new application of INDOR difference spectroscopy S.V. Ley, A.J. Whittle, G.E. Hawkes, J. Chem. Res. 1983, 210-211.

91. The Diels-Alder route to drimane related sesquiterpenes; synthesis of cinnamolide, polygodial, isodrimeninol, drimenin, and warburganal D.M. Hollinshead, S.C. Howell, S.V. Ley, M. Mahon, N.M. Ratcliffe, P.A. Worthington, J. Chem. Soc., Perkin Trans. 1 1983, 1579-1589.

90. Synthesis of the drimane-related sesquiterpenes euryfuran, confertifolin and valdiviolide S.V. Ley and M. Mahon, J. Chem. Soc. Perkin Trans. 1 1983, 1379-1381.

89. Organometallics in synthesis. Part I. The transition elements S.V. Ley and R.A. Porter, Specialist Periodical Reports, Gen. Synth. Meth. 1983, 6, 218.

88. Total synthesis of the structurally unique ionophore antibiotic, X-14547A M.P. Edwards, S.V. Ley, S.G. Lister, B.D. Palmer, J. Chem. Soc., Chem. Commun. 1983, 630-633.

87. The total synthesis of the clerodane diterpene insect antifeedant, ajugarin I S.V. Ley, N.S. Simpkins, A.J. Whittle, J. Chem. Soc., Chem. Commun. 1983, 503-505.

86. An unexpected rearrangement reaction of 4-alkylaminoindoles S.V. Ley and R.A. Porter, J. Chem. Soc., Chem. Commun. 1982, 1356-1357.

85. A short synthesis of (+/-)-hirsutene involving the use of an organoselenium mediated cyclization reaction S.V. Ley and P. J. Murray, J. Chem. Soc., Chem. Commun. 1982, 1252-1253.

84. Synthesis of (cis-6-methyltetrahydropyran-2-yl) acetic acid involving the use of an organoselenium mediated cyclization reaction S.V. Ley, B. Lygo, H. Molines, J.A. Morton, J. Chem. Soc., Chem. Commun. 1982, 1251-1252.

83. Synthesis of methyl-1,6-dioxaspiro[4,5]decanes using organoselenium mediated cyclisation reactions S.V. Ley and B. Lygo, Tetrahedron Lett. 1982, 23, 4625-4628.

82. Oxidation of benzylic hydrocarbons with benzeneseleninic anhydride and related reactions D.H.R. Barton, R.A.H.F. Hui, S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1982, 2179-2185.

81. Synthesis of polyoxygenated trans-decalins as potential insect antifeedants S.V. Ley, D. Neuhaus, N.S. Simpkins, A.J. Whittle, J. Chem. Soc., Perkin Trans. 1 1982, 2157-2162.

80. A practical catalytic method for the preparation of steroidal 1,4-diene-3-ones by oxygen transfer from iodoxybenzene to diphenyl diselenide D.H.R. Barton, C.R.A. Godfrey, J.W. Morzycki, W.B. Motherwell, S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1982, 1947-1952.

79. Dehydrogenation of lactones using benzeneseleninic anhydride: x-ray crystal structure of 3β-acetoxy-14α-hydroxy-17a-oxa-D-homo-5α-androst-15-en-17-one D.H.R. Barton, R.A.H.F. Hui, S.V. Ley, D.J. Williams, J. Chem. Soc., Perkin Trans 1 1982, 1919-1922.

78. Thermal rearrangement reactions of tricarbonyliron lactone complexes G.D. Annis, S.V. Ley, C.R. Self, R. Sivaramakrishnan, D.J. Williams, J. Chem. Soc., Perkin Trans. 1 1982, 1355-1361.

77. The x-ray structure and absolute configuration of insect antifeedant clerodane diterpenoids from Teucrium africanum J.R. Hanson, D.E.A. Rivett, S.V. Ley, D. J. Williams, J. Chem. Soc., Perkin Trans. 1 1982, 1005-1008.

76. A conformational study of elaiophylin by x-ray crystallography and difference 1H NMR methods; observation of a selective sign reversal of the nuclear overhauser effect S.V. Ley, D. Neuhaus, D.J. Williams, Tetrahedron Lett. 1982, 1207-1210.

75. Organometallics in synthesis part I. The transition elements S.V. Ley and R.A. Porter, Specialist Periodical Reports, Gen. Synth. Meth. 1982, 5, 208.

74. Annual reports of the Royal Society of Chemistry part B. Organosulphur, organoselenium and organotellurium chemistry S.V. Ley, 1980, 77, 233-261.

73. Oxygen atom transfer from iodlybenzene to diphenyl diselenide: a convenient catalytic method for dehydrogenation of steroidal 3-ketones D.H.R. Barton, J. Morzycki, W.B. Motherwell, S.V. Ley, J. Chem. Soc., Chem. Commun. 1981, 1044-1045.

72. Synthesis of euryfuran, valdiviolide and confertifolin S.V. Ley and M. Mahon, Tetrahedron Lett. 1981, 22, 4747-4750.

71. Synthesis of a trans-decalin as a potential insect antifeedant S.V. Ley, N.S. Simpkins, A.J. Whittle, J. Chem. Soc., Chem. Commun. 1981, 1001-1003.

70. Synthesis of (+/-)-warburganal S.V. Ley and M. Mahon, Tetrahedron Lett. 1981, 22, 3909-3912.

69. A convenient preparation of 2-haloenones from enones using phenylselenium halides S.V. Ley and A.J. Whittle, Tetrahedron Lett. 1981, 3301-3304.

68. Experiments on the synthesis of tetracycline. Part 16 improved photocyclic preparation of 12-keto derivatives and their deprotection using benzeneseleninic anhydride D.H.R. Barton, M.T. Bielska, J.M. Cardoso, N.J. Cussans, S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1981, 1840-1845.

67. Cyclisation reactions of alkenyl β-ketoesters involving a novel phenylseleno group migration W.P. Jackson, S.V. Ley, J.A. Morton, Tetrahedron Lett1981, 22, 2601-2604.

66. Synthesis of cinnamolide and polygodial S.C. Howell, S.V. Ley, M. Mahon, P.A. Worthington, J. Chem. Soc., Chem. Commun1981, 507-508.

65. Diaryl telluroxides as new mild oxidising reagents S.V. Ley, C.A. Meerholz, D.H.R. Barton, Tetrahedron 1981, 37, 213-223.

64. The synthesis and Diels-Alder reactions of 2-prop-2-enylidene-1,3-dioxolan S.V. Ley, W. L. Mitchell, T.V. Radhakrishnan, D.H.R. Barton, J. Chem. Soc., Perkin Trans. 1 1981, 1582-1584.

63. Synthesis of substituted cis-decalins as potential insect antifeedants W.P. Jackson and S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1981, 1516-1519.

62. Oxidation of phenols, pyrocatechols, and hydroquinones to ortho-quinones using benzeneseleninic anhydride D.H.R. Barton, A.G. Brewster, S.V. Ley, C.M. Read, M.N. Rosenfeld, J. Chem. Soc., Perkin Trans. 1 1981, 1473-1476.

61. On the reaction of thioacetals with sulphuryl chloride P.C. Bulman-Page, S.V. Ley, J.A. Morton, D.J. Williams, J. Chem. Soc., Perkin Trans. 1 1981, 457-461.

60. Preparation of lactones via tricarbonyliron lactone complexes G.D. Annis, S.V. Ley, C.R. Self, R. Sivaramakrishnan, J. Chem. Soc., Perkin Trans. 1 1981, 270-277.

59. An intramolecular Diels-Alder approach to the synthesis of the right hand half of the ionophoric antibiotic X-14547 A M.P. Edwards, S.V. Ley, S.G. Lister, Tetrahedron Lett. 1981, 361-364.

58. Selenium mediated cyclisation reactions of alkenyl substituted β-ketoesters W.P. Jackson, S.V. Ley, A.J. Whittle, J. Chem. Soc., Chem. Commun. 1980, 1173-1174.

57. New cyclization procedure for alkenyl-substituted β-dicarbonyl compounds using N-phenylselenophthalimide W.P. Jackson, S.V. Ley, J.A. Morton, J. Chem. Soc. Chem. Commun. 1980, 1028-1029.

56. Dehydrogenation of steroidal and triterpenoid ketones using benzeneseleninic anhydride D.H.R. Barton, D.J. Lester, S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1980, 2209-2212.

55. Catalytic oxidation of thiocarbonyl compounds involving the use of 1,2-dibromotetrachloroethane as a brominating reagent for diaryl Te(II) species S.V. Ley, C.A. Meerholz, D.H.R. Barton, Tetrahedron Lett. 1980, 1785-1788.

54. Removal of thioacetal protecting groups by benzeneselenininc anhydride D.H.R. Barton, N.J. Cussans, S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1980, 1654-1657.

53. Conversion of thiocarbonyl compounds into their corresponding oxo derivatives using benzeneseleninic anhydride D.H.R. Barton, D.J. Lester, S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1980, 1650-1653.

52. Oxidation of ketone and aldehyde hydrazones, oximes and semi- carbazones and of hydroxylamines and hydrazo compounds using benzeneseleninic anhydride D.H.R. Barton, D.J. Lester, S.V. Ley, J. Chem. Soc., Perkin Trans. 1 1980, 1212-1217.

51. A new synthetic approach towards adriamycin D.H.R. Barton, C.C. Dawes, G. Franceschi, M. Foglio, S.V. Ley, P.D. Magnus, W.L. Mitchell, A. Temperelli, J. Chem. Soc., Perkin Trans. 1 1980, 643-647.

50. Thermal decomposition of tricarbonyliron lactone complexes G.D. Annis, S.V. Ley, C.R. Self, R. Sivaramakrishnan, J. Chem. Soc., Chem. Commun1980, 299-299.

49. Formation of β-lactams from tricarbonyliron lactones complexes G.D. Annis, E.M. Hebblethwaite, S.V. Ley, J. Chem. Soc., Chem. Commun1980, 297-298.

48. Sulphuration of electron-rich arenes with sulphenamides and aminosulphenyl chlorides M.U. Bombala and S.V. Ley, Syn. Commun1980, 10, 291-297.