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Paper | Regular issue | Vol 31, No. 9, 1990, pp.1663-1667
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5480
Indole Alkaloids from Vinca sardoa, a New Species of Vinca

Sergio Crippa, Bruno Danieli, Giordano Lesma,* Giovanni Palmisano,* Daniele Passarella, and Vittorio Vecchietti

*Dipartimento di Chimica Organica e Industriale, Università degli Studi di Milano, Via Venzian 21, 20133 Milano, Italy


Four natural N-methylindolines have been isolated from the roots of Vinca sardoa (Stearn) Pignatti. They are ent-N(1)-methyl-14,15-didehydroaspidospermidine (7), N(1)-methyl-14,15-didehydroaspidofractinine (10), N(1)-methylaspidofractinine (11) and N(1)-methyl-14,15-didehydrotuboxenine (13).