Tetrahedron Letters p. 1827 - 1830 (1987)
Update date:2022-08-10
Topics:
Dhanak, Dashyant
Kuroda, Reiko
Reese, Colin B.
The dihalogenocyclopropane derivative (8c) was obtained in 41percent isolated yield when (9a) was treated with an excess of methanesulphonyl chloride and triethylamine in dichloromethane solution; this transformation may be regarded as the retro-reaction corresponding to the silver(I) perchlorate promoted ring-expansion of (8a) to give (9a).
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Doi:10.1016/S0040-4020(01)96182-4
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(1940)