Pregnane steroids from the heartwood of Azadirachta indica

Authors : Bina Shaheen SIDDIQUI, Syed Kashif ALI, Syed Tariq ALI, Fayyaz AHMED

Pages : 501-506

View : 13 | Download : 11

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :The heartwood of Azadirachta indica insert ignore into journalissuearticles values(Meliaceae); yielded a new steroid insert ignore into journalissuearticles values(2a, 3b, 4b-trihydroxypregnan-16-one); and 2 known steroids insert ignore into journalissuearticles values(2b, 3b, 4b-trihydroxypregnan-16-one and 2a, 3a, 4b-trihydroxypregnan-16-one);. Their structures were elucidated through spectral studies including 2D NMR insert ignore into journalissuearticles values(COSY, NOESY, J-resolved, HMQC, HMBC); experiments.
Keywords : Azadirachta indica, Meliaceae, heartwood, steroids, 2a, 3b, 4b trihydroxypregnan 16 one, 2b, 3b, 4b trihydroxypregnan 16 one, 2a, 3a, 4b trihydroxypregnan 16 one