Quarterly Journal of the Chemical Society of London, Issue 15, Pages 777-1692 |
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Page 921
... yield by previous workers . Condensation of ( V ) with diethyl ethoxymagnesium - malonate in chloro- benzene afforded the expected product ( VI ) , ( 60 % yield ) , m.p. 81 ° , vmax ( Nujol ) 1770 , 1750 , and 1680 cm - 1 , which was ...
... yield by previous workers . Condensation of ( V ) with diethyl ethoxymagnesium - malonate in chloro- benzene afforded the expected product ( VI ) , ( 60 % yield ) , m.p. 81 ° , vmax ( Nujol ) 1770 , 1750 , and 1680 cm - 1 , which was ...
Page 1048
... yield ( g.l.p.c. ) of tri - n - butylmethanol . Chloroform was also used and gave a lower but very acceptable yield.a We have previously used sodium cyanide as a one - carbon source and trialkylcyanoborates as intermediates in a high- yield ...
... yield ( g.l.p.c. ) of tri - n - butylmethanol . Chloroform was also used and gave a lower but very acceptable yield.a We have previously used sodium cyanide as a one - carbon source and trialkylcyanoborates as intermediates in a high- yield ...
Page 1475
... yield . † Catalytic hydrogena- tion of ( 4 ) ( palladized carbon in ethyl acetate ) gave the keto - ester ( 5 ) , m.p. 35-38 ° in quantitative yield . The stereochemistry of ( 5 ) was shown by its conversion into cis - 2,2,4a ...
... yield . † Catalytic hydrogena- tion of ( 4 ) ( palladized carbon in ethyl acetate ) gave the keto - ester ( 5 ) , m.p. 35-38 ° in quantitative yield . The stereochemistry of ( 5 ) was shown by its conversion into cis - 2,2,4a ...
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