Sahu N P, Mahato S B
Indian Institute of Chemical Biology, Jadavpur, Calcutta, India.
Phytochemistry. 1994 Nov;37(5):1425-7. doi: 10.1016/s0031-9422(00)90425-4.
A new bisdesmodic triterpenoid saponin, dulcin was isolated from the seeds of Pithecellobium dulce and was identified as 3-O-[beta-D-glucopyranosyl (1-->2)-alpha-L-arabinopyranosyl]- 28-O-[beta-D-xylopyranosyl (1-->6)-beta-D-glucopyranosyl]-echinocystic acid. The known oleanolic acid saponin PE, oleanolic acid 3-O-beta-D-glucopyranosyl (1-->2)-alpha-L-arabinopyranoside was also obtained. The structural features were elucidated by a combination of spectroscopic methods and some chemical transformations.
