Bulletin of the Chemical Society of Japan p. 1117 - 1125 (1981)
Update date:2022-08-05
Topics:
Inouye, Yoshinobu
Fukaya, Chikara
Kakisawa, Hiroshi
1,6-Diketone, available in eight steps from homocamphorquinone, was converted into 1,5,5,11,11-pentamethyltricyclo<6.2.1.02,6>undecan-7-one by treatment with potassium t-butoxide and then lithium dimethylcuprate, while α,α-dimethyl-γ-valerolactone, prepared in five steps from homocamphor, was converted into 1,5,5,11,11-pentamethyltricyclo<6.2.1.O2,6>undec-2-en-4-one by treatment with diphosphorus pentoxide-methanesulfonic acid.
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Doi:10.1021/om50002a008
(1983)Doi:10.1002/jlac.198119810413
(1981)Doi:10.1021/jo00138a028
(1982)Doi:10.1021/jm00360a002
(1983)Doi:10.1246/bcsj.54.1044
(1981)Doi:10.1021/jm00142a018
(1981)