Quarterly Journal of the Chemical Society of London, Issue 15, Pages 777-1692 |
From inside the book
Results 1-3 of 78
Page 1014
... esters , unlike their S - ester and benzoate analogues , absorb in the visible region , no photolytic studies of these O - esters have been reported . Ph wwww 0 % D wwwwwww IV 93 % D selenium dioxide to the 48 - alcohol ( I ) .3,4 ...
... esters , unlike their S - ester and benzoate analogues , absorb in the visible region , no photolytic studies of these O - esters have been reported . Ph wwww 0 % D wwwwwww IV 93 % D selenium dioxide to the 48 - alcohol ( I ) .3,4 ...
Page 1492
... ester prepared with diazomethane ; b Maximum undetectable quantum yield of iso- merization . The actinometer was ... ester was then isolated and analysed by n.m.r. spectroscopy for isomeriza- tion to its diastereomer , giving the results ...
... ester prepared with diazomethane ; b Maximum undetectable quantum yield of iso- merization . The actinometer was ... ester was then isolated and analysed by n.m.r. spectroscopy for isomeriza- tion to its diastereomer , giving the results ...
Page 1621
... ester by cyclohexa - amylose is the largest found so far in a model - enzyme catalysed hydrolysis of a carboxylic acid ester . We report here a very high enantiomeric specificity in the reaction of the toroidal polysaccharide cyclohexa ...
... ester by cyclohexa - amylose is the largest found so far in a model - enzyme catalysed hydrolysis of a carboxylic acid ester . We report here a very high enantiomeric specificity in the reaction of the toroidal polysaccharide cyclohexa ...
Contents
11 August 1971 | 777 |
Electron Spin Resonance Studies of Stable Radicals Generated by Oxidation of sButyllithium with Transition | 878 |
O COPYRIGHT 1971 | 1044 |
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Common terms and phrases
absorption acetate acid Acta adduct alcohol alkaloids alkyl Amer angle anion aqueous aromatic atoms bands benzene carbon carbonyl catalyst cation CH₂ Chem chemical shifts Chemical Society Chim chloride cm-¹ co-ordination Comm complex compounds corresponding Crystal cyclic cyclopropyl D. H. R. BARTON Department of Chemistry derivatives deuterium dimethyl electron ester ether Figure formation formed gave give hydrogen hydrolysis i.r. spectrum ibid Inorg intermediate irradiation isolated isomer isomeric ketone ligand mechanism metal methanol methyl methylene mixture molecular molecule n.m.r. spectrum nitrogen nucleophilic observed obtained olefin orbitals oxidation oxygen Ph Ph phenyl phosphine photolysis Phys presence protons pyridine radical ratio react reaction rearrangement Received reduction reported resonance ring room temperature shown singlet sodium solution solvent species spectra spectroscopy stereochemistry structure studies substituted Summary synthesis Table Tetrahedron Letters thermal University X-ray yield