Synthesis of trans β-Lactams of Estrane Series

Abdul U. Siddiqui; Yelluru Satyanarayana; Abdul H. Siddiqui

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Collection of Czechoslovak Chemical Communications

Article . 1995 . Peer-reviewed

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https://dx.doi.org/10.1135/ccc...

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Synthesis of trans β-Lactams of Estrane Series

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1995 English Publisher:Institute of Organic Chemistry & BiochemistryJournal:Collection of Czechoslovak Chemical Communications, volume 60, pages 1,186-1,190 (issn: 0010-0765, eissn: 1212-6950,

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Authors: Abdul U. Siddiqui; Yelluru Satyanarayana; Abdul H. Siddiqui;

doi: 10.1135/cccc19951186

Synthesis of trans β-Lactams of Estrane Series

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Abstract

17,17-Ethylenedioxy-1,3,5(10)-estratrien-3β-ol (I) was converted into ethyl ester II by reaction with ethyl chloroacetate in the presence of potassium. The ethyl ester II on reaction with hydrazine gave hydrazide III, which on condensation with aromatic aldehydes gave Schiff bases IVa-IVd. The reaction of Schiff bases IVa-IVd with chloroacetyl chloride in the presence of triethylamine afforded β-lactams Va-Vd.

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