Sopherone A and B: Two new biologically relevant dibenzo-α-pyrones from Cassia sophera.


Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India. Electronic address: [Email]


Sopherone A (1) and B (2), two new biologically relevant dibenzo-α-pyrones, were isolated from the stems of Cassia sophera Linn. (Caesalpiniaceae). Their structures were elucidated by detailed analysis of their spectroscopic data, including 1D and 2D NMR.


Caesalpiniaceae,Cassia sophera,Dibenzo-α-pyrones,Sopherones A-B,