A NEW METHOD FOR AROMATIZAT ION OF Δ^(5(10))-STEROIDAL C_(3)-DIMETHYL KETALS

A NEW METHOD FOR AROMATIZAT ION OF Δ^(5(10))-STEROIDAL C_(3)-DIMETHYL KETALS

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摘要 A new method for aromatization of Δ^(5(10))-steroidal C_3-dimethyl ketals with pyridinium hydrobromide perbromide (PHP.Py·HBr·Br_2) to aromatic A ring steroids in high yield (90-95%) is described. A new method for aromatization of Δ^(5(10))-steroidal C_(3)-dimethyl ketals with pyridinium hydrobromide perbromide (PHP.Py·HBr·Br_2) to aromatic A ring steroids in high yield (90-95%) is described.

作者 Guang Dian HAN Hong Yan WEN

机构地区 Institute of Materia Medica

出处《Chinese Chemical Letters》 SCIE CAS CSCD 1993年第2期107-108,共2页 中国化学快报(英文版)

关键词 ION STEROIDAL C3-DIMETHYL KETALS A NEW METHOD FOR AROMATIZAT ION OF PHP

分类号 O6 [理学—化学]

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Chinese Chemical Letters

1993年第2期

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A NEW METHOD FOR AROMATIZAT ION OF Δ^(5(10))-STEROIDAL C_(3)-DIMETHYL KETALS

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