Quarterly Journal of the Chemical Society of London, Issue 15, Pages 777-1692 |
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Results 1-3 of 79
Page 1191
... Dimethyl acetylenedicarboxylate combined with ( 2 ) in 12 h at 135 ° to give 84 % of the adduct ( 10 ) . The tetra- carboxylic ester ( 11 ) obtained from ( 10 ) by the action of HCI in boiling methanol provided ( 14 ) on catalytic ...
... Dimethyl acetylenedicarboxylate combined with ( 2 ) in 12 h at 135 ° to give 84 % of the adduct ( 10 ) . The tetra- carboxylic ester ( 11 ) obtained from ( 10 ) by the action of HCI in boiling methanol provided ( 14 ) on catalytic ...
Page 1193
... dimethyl fumarate ( 45 h , 130 ° ) gave 99 % of a mixture of two 1 : 1 - adducts which consisted of 54 % of ( 7 ) and 46 % reaction of ( 4 ) which goes via ( 6 ) - → ( 5 ) to ( 7 ) and ( 8 ) decreases with the lowering of temperature ...
... dimethyl fumarate ( 45 h , 130 ° ) gave 99 % of a mixture of two 1 : 1 - adducts which consisted of 54 % of ( 7 ) and 46 % reaction of ( 4 ) which goes via ( 6 ) - → ( 5 ) to ( 7 ) and ( 8 ) decreases with the lowering of temperature ...
Page 1672
... dimethyl , effect of peroxides on reactions of dimethoxycarbonylcarbene generated with soluble catalysts from , 1179 dimethyl , homogeneous copper ( 1 ) catalysed decomposition of . Role of the counter ion in determining the effective ...
... dimethyl , effect of peroxides on reactions of dimethoxycarbonylcarbene generated with soluble catalysts from , 1179 dimethyl , homogeneous copper ( 1 ) catalysed decomposition of . Role of the counter ion in determining the effective ...
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