The influence of cis-groups on the rate of the trans-substitution reaction
β Scribed by I. B. Bersuker
- Book ID
- 104922912
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 1964
- Tongue
- English
- Weight
- 240 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0022-4766
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π SIMILAR VOLUMES
The preparation of methyl-substituted 1,2-dimethylenecyclopentanes and their reactivity in (4 + 2) cycloadditions with a,&unsaturated carboxylic esters and nitriles is studied. In kinetic measurements the methyl groups show a moderately rate-enhancing effect. The results are compared with those for
Irradiation of the aryl trans-2-butenoates 4b-e affords the corresponding photmes products lb-e, together with their cis isomers 3b-r. After srparatic:l by means ot' HPLC, the Kin&zs of the basic cyclization of the trans and cis-o-hydroxyketones lb-e and 3b-e to the -chromanones Zb-e were studied. T