Abstract
AgOAc/ThioClickFerrophos (TCF) complex catalyzed the 1,3-dipolar cycloaddition of azomethine ylides (glycine imino ester) to nitroalkenes. The corresponding endo-cycloadducts (88:12–98:2 endo/exo) were afforded in good yields with high enantioselectivities, up to 98% ee, without addition of external amine. AgOAc/TCF works as a bifunctional (Lewis acid and base) catalyst.
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