Citation: Sushma Semwal, Rajni Kant Sharma. A new lignan rhamnoside from Bauhinia retusa seed pods (Caesalpiniaceae)[J]. Chinese Chemical Letters, ;2011, 22(9): 1081-1083. doi: 10.1016/j.cclet.2011.05.034 shu

A new lignan rhamnoside from Bauhinia retusa seed pods (Caesalpiniaceae)

Sushma Semwal ^a, ,
Rajni Kant Sharma ^a,b

a Department of Chemistry, HNB Garhwal Central University Srinagar, Uttarakhand, India;
b Department of Chemistry, University of Cape Town, Cape Town, Rondebosch 7701, South Africa

Received Date: 17 February 2011

Fund Project: The authors are grateful to DST, New Delhi, India for providing fund to carry out the work and CDRI Lucknow, India for spectral analysis.

A new lignan rhamnoside identified as 2, 6-di (4', 5'-dihydroxyphenyl)-3, 7-dioxabicyclo[3.3.0]octane-1-hydroxy-5-O-rhamno-pyranoside (1) has been isolated from the ethanolic extract of seed pods of Bauhinia retusa. Its structure was established by extensive spectroscopic techniques (UV, IR, ID NMR, 2D NMR, HRESIMS).
- Bauhinia retusa,
- Caesalpiniaceae,
- Lignan rhamnoside

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