
Tetrahedron Letters p. 4073 - 4076 (1982)
Update date:2022-08-04
Topics:
Lenk, Winfried
Hopf, Henning
1,4-Bis(ethenylidene)cyclohexane (8) and 1-ethenylidene-4-methylenecyclohexane (15) have been prepared and thermally isomerized to 1,2,3,4-tetra- (13) and 1,2,4-trimethylenecyclohexane (18), respectively, at 500 deg C in a flow system.It is proposed that
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