
Tetrahedron Letters p. 4747 - 4750 (1988)
Update date:2022-08-04
Topics:
Saso, Haruo
Yoshida, Hitoaki
Ando, Wataru
A new type of 1,2-oxasiletane, alkylidene-1,2-oxasiletane was prepared by oxidation of alkylidenesilirane.Reaction of 1,1-dimesityl-2-Z-neopentylidenesilirane with cyclohexyldimethylamine N-oxide and diphenyl sulfoxide regiospecifically gave 2,2-dimesityl-3-Z-neopentylidene-1,2-oxasiletane (44 percent) and 4-Z-isomer (70 percent), respectively.Both oxasiletanes were thermally stable not to undergo a retro (2+2) reaction
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