Helvetica Chimica Acta p. 995 - 996 (1987)
Update date:2022-08-05
Topics:
Hobel, Klaus
Margaretha, Paul
Photolysis (λ=254 nm) of 4-(tert-butyl)-4,6,7,8-tetrahydro-7,7-dimethyl-2H-1-benzopyran-2,5(3H)-dione (3a) in t-BuOH affords 2-(2,2-dimethylpropylidene)-5,5-dimethyl-1,3-cyclohexanedione (1a) in 80percent yield via homolysis of the lactone O-CO bond and subsequent ketene elimination.
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Doi:10.1246/cl.1982.1309
(1982)Doi:10.1021/jo00149a031
(1983)Doi:10.1021/jo00314a033
(1981)Doi:10.1515/HC.2004.10.4-5.349
(2004)Doi:10.1039/d0dt03566a
(2021)Doi:10.1246/bcsj.55.3242
(1982)
