Chemical and Pharmaceutical Bulletin p. 3330 - 3333 (1983)
Update date:2022-08-03
Topics:
Ishii
Kobayashi
Ishikawa
Toddalenone, a new coumarin, was isolated from Toddalia asiatica (L.) Lam. (T. aculeata Pers.). Its structure was established as the formula (1) by correlation with limettin (2). Vilsmeir-Haack formylation of limettin (2) gave 8-formyllimettin (10) in good yield. Aldol condensation of this material (10) with acetone afforded toddalenone (1).
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(2006)Doi:10.1246/bcsj.56.2438
(1983)Doi:10.1039/P19920001173
(1992)Doi:10.1248/cpb.31.2607
(1983)
