Acetylenic thiophenes from Blumea obliqua

Ahmad, Viqar Uddin; Alam, Naseer; Qaisar, Mohammad

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Acetylenic thiophenes from Blumea obliqua

Date

1998-09-03

Authors

Ahmad, Viqar Uddin

Alam, Naseer

Qaisar, Mohammad

Abstract

The acetylenic thiophene constituents from the aerial parts of Blumea obliqua yielded a novel dithienyl acetylene, 5'-Methylene-bis-[5-(3-butene- 1-ynyl)]-2,2'-bithiophene, along with 5'-Hydroxymethyl-5-(3-butene-1-ynyl)- 2,2'-bithiophene and 5'-Carboxaldehyde-5-(3-butene-1-ynyl)-2,2'-bithiophene.