2-Arylacetic anhydrides as ammonium enolate precursors?
Organic & Biomolecular Chemistry Pub Date: 2013-11-29 DOI: 10.1039/C3OB41869C
Abstract
Readily prepared 2-arylacetic anhydrides act as convenient ammonium enolate precursors in isothiourea (HBTM-2.1)-mediated catalytic asymmetric intermolecular Michael addition–lactonisation processes, giving diverse synthetic building blocks in good yield with high diastereo- and enantiocontrol (up to 98?:?2 dr and >99% ee).
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Journal Name：Organic & Biomolecular Chemistry
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CAS no.: 89640-58-4
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