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Communication | Regular issue | Vol 19, No. 7, 1982, pp.1223-1225
Published online, 1st January, 1970
DOI: 10.3987/R-1982-07-1223
A Synthesis of Withasomnine from 4-Phenylpyrazole

Seiichi Takano, Yoko Imamura, and Kunio Ogasawara

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan


Withasomnine(5), a pyrazole alkaloid isolated from Withania somnifera Dun.(Solanaceae), has been synthesized from 4-phenylpyrazole(1), a compound with potential symmetry.