Enantioselective intramolecular amidation of sulfamate esters catalyzed by chiral manganese(III) Schiff-base complexes

Ji Zhang, Philip Wai Hong Chan, Chi Ming Che

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Abstract

Enantioselective intramolecular amidation of sulfamate esters catalyzed by chiral manganese(III) Schiff-base complexes under mild conditions (PhI(OAc) 2, Al2O3, C6H6, 5°C) was achieved in moderate to good yields (up to 92%), substrate conversions (up to 99%), with virtually complete cis-selectivity and with ee values up to 79% ee.

Original languageEnglish
Pages (from-to)5403-5408
Number of pages6
JournalTetrahedron Letters
Volume46
Issue number32
DOIs
Publication statusPublished - 8 Aug 2005
Externally publishedYes

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