Tetrahedron Letters p. 3629 - 3632 (1981)
Update date:2022-09-26
Topics:
Hori, Mikio
Kataoka, Tadashi
Shimizu, Hiroshi
Tomoto, Akihiko
1-Benzoyl-2-methyl-3,4-dihydro-2-thianaphthalene (4a) underwent novel intermolecular 1,4-rearrangement in refluxing toluene to give an enol ether 5a, while rearrangement of 2-phenyl derivative 4e proceeded intramolecularly in refluxing xylene to afford a 1,4-rearranged enol ether 5b.On the other hand, ylides 4a-e were refluxed in alcohols to afford some ring-opened products 10-12.
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