Quarterly Journal of the Chemical Society of London, Issue 15, Pages 777-1692 |
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Page 1052
... mechanism of the photoinduced decarboxylation of substituted N- ( 2 - nitrophenyl ) glycines1 and 2 - nitrophenoxy- acetic acids has been the subject of recent debate.3 The finding that N- ( 4 - nitrophenyl ) valine undergoes decarb ...
... mechanism of the photoinduced decarboxylation of substituted N- ( 2 - nitrophenyl ) glycines1 and 2 - nitrophenoxy- acetic acids has been the subject of recent debate.3 The finding that N- ( 4 - nitrophenyl ) valine undergoes decarb ...
Page 1263
... mechanism provides no explanation for the observed optical activity in the 220-250 nm A , → A , region of allenes with cylindrically symmetrical 1- and 3 - substituents , e.g. ( IV ) ( Table ) . According to the dynamic mechanism ...
... mechanism provides no explanation for the observed optical activity in the 220-250 nm A , → A , region of allenes with cylindrically symmetrical 1- and 3 - substituents , e.g. ( IV ) ( Table ) . According to the dynamic mechanism ...
Page 1539
... mechanism . AS is -23.7 e.u .; the solvent isotope effect , kя / kь = 2.21 ; and Hammett's p , measured for six ... mechanism involving general base catalysis by acetate , for example , would not be expected to be faster than the neutral ...
... mechanism . AS is -23.7 e.u .; the solvent isotope effect , kя / kь = 2.21 ; and Hammett's p , measured for six ... mechanism involving general base catalysis by acetate , for example , would not be expected to be faster than the neutral ...
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