Tetrahedron Letters p. 5241 - 5244 (1983)
Update date:2022-07-30
Topics:
Harayama, Takashi
Shinkai, Yutaka
Hashimoto, Yukiya
Fukushi, Hideto
Inubushi, Yasuo
A carotane type sesquiterpene, aspterric acid (1) was stereoselectively synthesized through Robinson annulation of 2 with MVK, dimethylation of 15, introduction of cyano group to 19 and ring contraction of 25.
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