The overall kinetic solvent isotope effects on the acid catalyzed hydrolysis of a series of 2-aryl-2-diazocarboxylic esters ArCN2COOCH3, and one 2-aryl-2-diazocarboxamide C6H5CH2CON (CH,), vary inversely with the reactivity of the substrate, between limits of 3.14 and 1.46. A linear Hammett plot for
Substituent effects on the McLafferty rearrangement of ionized 2-(aryl)ethyl arylacetates
β Scribed by Jochanan Blum; Baruch Zinger; David Milstein; Ouri Buchman; Helmut Schwarz
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 170 KB
- Volume
- 16
- Category
- Article
- ISSN
- 1076-5174
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## Abstract ^13^C NMR spectra were measured for a series of ethyl __cis__β and __trans__β2β(__p__βsubstituted β phenyl) β 1 β cyclopropanecarboxylates. The effects of the __para__ substituents and the geometry on the chemical shifts are discussed.