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Cyclization of alkenyl-o-carboranylcarboxylic and alkenyl-o-carboranylacetic acids under the influence of sulfuric acid

โœ Scribed by L. I. Zakharkin; B. T. Ermaganbetov; A. V. Kazantsev

Book ID
112437107
Publisher
Springer
Year
1974
Tongue
English
Weight
176 KB
Volume
23
Category
Article
ISSN
1573-9171

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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