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52. Addition reactions of heterocyclic compounds. Part LV. Further reactions of substituted benzimidazoles with dimethyl acetylenedicarboxylate.
53. Reactivity of vinyl sulphonic esters. Part IX. Cyclisation of aryloxyvinyl p-bromobenzenesulphonates to benzo[b]furans.
54. Organophosphorus compounds. Part CL. Synthesis of ‘stable’ tetra-o-alkyl sym-monothiopyrophosphates.
55. Optical rotatory dispersion and circular dichroism. Part LXXXI. Optical resolution of trans-1eq-decalol, trans-2eq-decalol, and trans,syn,trans-perhydroanthracen-2eq-ol.
56. (S)-2-hydroxycuparene [p-(1,2,2-trimethylcyclopentyl)-o-cresol] and 3,4′-ethylenebisphenol from a liverwort, Marchantia polymorpha linn.
57. The chemistry of maltose. Part II. Chemical modifications at the reducing unit.
58. The chemistry of maltose. Part III. Introduction of azido- and amino-substituents at specific positions of methyl β-maltoside.
59. Polyfluroheterocyclic compounds. Part XXIII. Monoenes and dienes derived by the fluorination of hexafluorobenzene and of perfluoro- and chlorofluoro-heteroaromatic compounds. A mechanism for fluorination by cobalt fluorides.
60. Quinoxalines and related compounds. Part IX. Preparation of 2-aryloxyquinoxalines and their cyclisation to benzofuro[2,3-b]quinoxalines.
61. Polyfluoroheterocyclic compounds. Part XXIV. Thermal elimination of molecular nitrogen from polyfluoro- and polychloro-pyridazines.
62. Purine studies. Part X. Further synthetic approaches to purines for the amplification of phleomycin activity against E. coli.
63. Terpenoids. Part XXVIII. Total synthesis of enmein.
64. Studies related to penicillins. Part XII. Reactions of (1R,5S)-3-benzyl-7-(2-methylprop-1-enyl)-2-oxa-4,7-diazabicyclo[3.2.0]hept-3-en-6-one with alcohols and with acids.
65. The chemistry of terpenes. Part XVII. Synthesis of (+)-cis-homocaronic acid (cis-3-carboxymethyl-2,2-dimethylcyclopropanecarboxylic acid) and some related compounds.
66. Synthesis of [1-(D-2-hydroxy-3-mercaptopropanoic acid)]oxytocin, a diastereoisomer of the hydroxy-isostere of oxytocin.
67. Diarylpropanoids from nutmeg and mace (Myristica fragrans Houtt.).
68. Pyrolyses of pentafluorophenyl prop-2-enyl and [2,3,3-2H3]prop-2-enyl ethers. Reactions proceeding via internal Diels–Alder reactions.
69. Studies of heterocyclic compounds. Part XV. Synthesis and structure of 6a-thia-1,6-diazapentalenes (isothiazolo[5,1-e]isothiazoles).
70. Electrochemical reduction of cephalosporanic acids.
71. Free-radical reactions of halogenated bridged polycyclic compounds. Part XVI. Addition of methanethiol and 1,1-dimethylethanethiol to 5-substituted 1,2,3,4,7,7-hexachloronorbornadienes.
72. Some dihydro-cytidines and -isocytidines.
73. Syntheses of derivatives of 2,6-diamino-2,3,4,6-tetradeoxy-DL-erythro-hexose (DL-purpurosamine C) and 2,6-diamino-2,3,4,6-tetradeoxy-DL-threo-hexose (epi-DL-purpurosamine C).
74. Cation radicals: oxidative coupling of carbazoles, 10,11-dihydro-5H-dibenz[b,f]azepines and related derivatives by 2,3-dichloro-5,6-dicyano-p-benzoquinone and tris-(p-bromophenyl)ammoniumyl salts.
75. Synthesis of sophorol, violanone, lonchocarpan, claussequinone, philenopteran, leiocalycin, and some other natural isoflavonoids by the oxidative rearrangement of chalcones with thallium(III) nitrate.
76. Microbiological hydroxylation of steroids. Part XI. Convenient routes to 3,7-, 3,11-, 3,12-, 7,11-, 7,17-, and 11,17-dioxygenated 5α-androstanes and to 5α-androstan-11-one.
77. Claisen rearrangement of 1-hydroxy-3-(3-methylbut-2-enyloxy)xanthones.
78. Use of fluoride ion as a reagent in acetylene- and allene-forming eliminations.
79. Electrophilic additions to acetylenes. Part II. Addition of alkyl chlorides to diphenylacetylene.
80. Covalent addition of ammonia to pteridine: the 3,4-monoadduct.
81. Studies in terpenoids. Part XXXI. Synthesis of pyrocurzerenone, a furosesquiterpenoid from Curcuma zedoaria.
82. Synthesis of olefins by base-induced fragmentation of 2-phenyl-1,3-oxathiolans.
83. 1,5-Hydride shifts in acyclic systems containing αβ-unsaturated ketones and p-methoxyphenyl groups.
84. Photochemical reactions. Part II. Cycloaddition reactions with photoenols from 2-methylbenzaldehyde and related systems.
85. Photochemical reactions. Part III. Thermal generation of photoenols and their derivatives from substituted 1,2-dihydrobenzocyclobutenes.
86. Photochemical reactions. Part IV. Thermal generation of photoenols and their derivatives from disubstituted 1,2-dihydrobenzocyclobutenes.
87. Formation of triphenylarsinimines (AsAsAs-triphenylarsine imides) by non-nitrene routes: co-oxidation of triphenylarsine and amines or amides with lead tetra-acetate, and related reactions. Preparation of diacetoxytriphenylarsorane.
88. 13C nuclear magnetic resonance spectra of some limonoids. Part I. The structure of procerin, an extractive from Carapa procera.
89. The elimination of carbon monoxide from acid derivatives. Part IV. Friedel–Crafts reactions of some primary (alkylphenyl)acetyl chlorides.
90. Reactions of triarylarsines with nitrene precursors: formation of triarylarsinimines (AsAsAs-triarylarsine imides) and related compounds.
91. Pyrroles and related compounds. Part XXIX. Vinylporphyrin β-keto-esters.
92. Reactivity of 6-methylthiopurin-8-ones. Properties of 6-methylsulphonylpurin-8-ones.
93. Pyrroles and related compounds. Part XXV. Pemptoporphyrin, isopemptoporphyrin, and chlorocruoroporphyrin (Spirographis porphyrin).
94. Pyrroles and related compounds. Part XXVII. Syntheses of porphyrins with a nuclear carboxy-group.
95. Pyrroles and related compounds. Part XXXI. Porphyrin ketones.
96. Nitrogen-containing carbohydrate derivatives. Part XXXI. Synthesis of derivatives of 2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranose: confirmation of the structure of nebrosamine.
97. 1,5-Dihydro-1,2,3,4-thia(S IV )triazoles from quaternary salts of NN-disubstituted thioamides and sodium azide.
98. Triazines and related products. Part XII. Reactions of 3,4-dihydro-4-imino-1,2,3-benzotriazines and 1,2,3-benzotriazin-4(3H)-ones in secondary amines.
99. Asymmetric syntheses. Part VII. Asymmetric reduction of ketones and alk-2-en-4-yn-1-ols with a lithium bismenthyloxyaluminium hydride complex; determination of the absolute configurations of allenic alcohols.
100. Photochemical reactions of aromatic compounds. Part XVIII. Photoaddition of benzophenone to aromatic amines.
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