Abstract
A new pregnane steroid with an unusual formyl group (1) was isolated from the stems of Caralluma umbellata, together with three known steroid compounds. The structure of 1 was elucidated on the basis of spectral evidence including 2D NMR studies.
Acknowledgements
The authors are thankful to CSIR, UGC, New Delhi, and the Director of the IICT, Hyderabad for the financial support.