Isolation and Structure of Neriucoumaric and Isoneriucoumaric Acids from the Leaves of Nerium oleander

Salimuzzaman Siddiqui; Bina S. Siddiqui; Farrukh Hafeez; Sabira Begum

doi:10.1055/s-2006-962763

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Planta Med 1987; 53(5): 424-427
DOI: 10.1055/s-2006-962763

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Isolation and Structure of Neriucoumaric and Isoneriucoumaric Acids from the Leaves of Nerium oleander

Salimuzzaman Siddiqui, Bina S. Siddiqui, Farrukh Hafeez, Sabira Begum

H. E. J. Research Institute of Chemistry, University of Karachi, Karachi-32, Pakistan.

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Publication History

1986

Publication Date:
24 January 2007 (online)

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Abstract

Two new coumaryloxy triterpenoids, neriucoumaric and isoneriucoumaric acids, have been isolated from fresh, undried and uncrushed leaves of Nerium oleander and their structures established as 3β-hydroxy-2α-cis-p-coumaryloxy-urs-12-en-28-oic acid and 3β-hydroxy-2α-trans-p-coumaryloxy-urs-12-en-28-oic acid respectively, through chemical and spectroscopic methods.