A single element of chirality determines the configuration of the three newly formed stereogenic centers in the title reaction [Eq. (a)]. In particular, large (R = SiMe2Ph,tBu) and polar (R = OMe) substituents induce good diastereoselectivities. Simple ring-opening reactions facilitate a stereoselective approach to acyclic products.
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Bach et al. (1995) studied this question.
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