The levels of diastereoselection resulting from the 1,3-dipolar cycloaddition of chiral and achiral azomethine ylides 2(a-c) to chiral, unsaturated bicyclic lactams 1(a-f) are described in terms of steric factors.
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页码:3575 / 3578
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[11]
KANEMASA S, 1990, TETRAHEDRON LETT, V31, P3633
[12]
Lown J. W., 1984, 1 3 DIPOLAR CYCLOADD, V1, P653