Tetrahedron Letters p. 3773 - 3776 (2000)
Update date:2022-09-26
Topics:
Martinelli, Michael J.
Vaidyanathan, Rajappa
Van Khau, Vien
The reaction of internal 1,2-diols with catalytic n-Bu2SnO, p-TsCl (1.05 equiv.) and Et3N (1.1 equiv.) led to selective monotosylation. In the case of cyclic substrates, the cis-1,2-diol moiety appeared best suited for optimal results, supporting the intermediacy of a five-membered chelate. (C) 2000 Elsevier Science Ltd.
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