Journal Article
Research Support, Non-U.S. Gov't
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Asymmetric alkynylation/lactamization cascade: an expeditious entry to enantiomerically enriched isoindolinones.

Angewandte Chemie 2014 September 27
An unprecedented Cu(I)-pybox-diPh-catalyzed highly enantioselective (up to >99% ee) alkynylation/lactamization cascade has been developed as a general catalytic system for the synthesis of diversely substituted isoindolinones of immense biological importance. The cascade effects one C-C and two C-N bond-forming events in one reaction vessel under operationally simple, additive-free reaction conditions in good to excellent yields. The methodology was further extended to the synthesis of tetrahydroisoquinoline scaffolds common to several biologically active natural products in a two-step sequence with remarkable selectivity (up to 94% ee).

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