Isolation and synthesis of a new chromenochalcone and a new chromene from Orthosiphon glabratus.

Biswanath Das, Ponnaboina Thirupathi, Rathod Aravind Kumar, Akella Venkata Subramanya Sarma, Shaik Jilani Basha

Organic Chemistry Division-I, Indian Institute of Chemical Technology, Hyderabad, India. biswanathdas@yahoo.com

Journal of Asian natural products research 2009

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Chemical investigation on Orthosiphon glabratus afforded 10 compounds, among which a chromenochalcone and a chromene are new. The structures of the new constituents were settled from their 1D- and 2D-NMR spectra. The synthesis of these two compounds and some of their analogues have been accomplished.

Citation

Biswanath Das, Ponnaboina Thirupathi, Rathod Aravind Kumar, Akella Venkata Subramanya Sarma, Shaik Jilani Basha. Isolation and synthesis of a new chromenochalcone and a new chromene from Orthosiphon glabratus. Journal of Asian natural products research. 2009;11(3):202-8