期刊
ORGANIC LETTERS
卷 18, 期 24, 页码 6260-6263出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b03023
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-
资金
- Russian Foundation for Basic Research (RFBR) [15-53-05049]
The acid-catalyzed cyclization of a wide range of triaryl-substituted divinyl ketones has been studied. It was found that the reaction pathway strongly depends on the nature of the aryl substituent at the a-position to the carbonyl group. An electron-rich aromatic substituent promotes the reaction to proceed through the intramolecular Friedel-Crafts electrophilic substitution giving dihydronaphthalene derivatives. In contrast, the presence of an electron-deficient substituent is favorable for the Nazarov 4 pi-conrotatory cyclization yielding triaryl-substituted cydopentenones. The electrophilic substitution reaction was applied to thiophene and thiazole derivatives.
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