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Reduction of epoxides 1, 2, 3 with LAH and LAH/AlCl3 has been studied. The products of reduction with LAH were controlled by steric and stereoelectronic effects. The reduction with LAH/AlCl3 seemed to involve an intermediate in which one aluminum ion was shared by both oxygen atoms from the epoxide and the tetrahydrofuran ring.
Reduction of epoxides 1, 2, 3 with LAH and LAH / AlCl3 has been studied. The products of reduction with LAH were controlled by steric and stereoelectronic effects. The reduction with LAH / AlCl3 seemed to involve an intermediate in which one aluminum ion was shared by both oxygen atoms from the epoxide and the tetrahydrofuran ring.