Tetrahedron Letters p. 3833 - 3836 (1997)
Update date:2022-08-05
Topics:
Lautens, Mark
Meyer, Christophe
Van Oeveren, Arjan
Diazoacetates derived from α- or β-allenic alcohols, prepared using the glyoxylic acid chloride p-toluenesulfonylhydrazone method, undergo regioselective intramolecular cyclopropanation in the presence of a copper (II) catalyst in refluxing toluene, leading to synthetically useful di- or trisubstituted methylenecyclopropyl lactones. The diastereoselectivity of the process has been studied.
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Doi:10.1016/S0022-328X(97)00308-2
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(2019)Doi:10.1007/s11172-006-0343-7
(2006)Doi:10.1002/jhet.5570340322
(1997)
