Quarterly Journal of the Chemical Society of London, Issue 15, Pages 777-1692 |
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Page 823
... method is illustrated for the accurate determination of molecular weight ; the method is particularly applicable in antibiotic chemistry . IN connection with other work it became necessary to develop a method for the determination of ...
... method is illustrated for the accurate determination of molecular weight ; the method is particularly applicable in antibiotic chemistry . IN connection with other work it became necessary to develop a method for the determination of ...
Page 845
... method for the isolation of the B - lactam function of penicillins has been developed , involving cleavage across ... method the pyrazoline adducts ( IV ) were reduced with zinc dust in aqueous acetic acid and again a nearly quantitative ...
... method for the isolation of the B - lactam function of penicillins has been developed , involving cleavage across ... method the pyrazoline adducts ( IV ) were reduced with zinc dust in aqueous acetic acid and again a nearly quantitative ...
Page 1408
... method , and were found to be in good agreement with the experimental data and the relative stability of these ... method is considered to correspond to the equilibrium geometry of the actual molecule . Heats of formation by the MINDO ...
... method , and were found to be in good agreement with the experimental data and the relative stability of these ... method is considered to correspond to the equilibrium geometry of the actual molecule . Heats of formation by the MINDO ...
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