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Stereoselective synthesis of substituted exo-glycals from 1-exo-methylene pyranoses

✍ Scribed by Ana M. Gómez; Ana Pedregosa; Serafı&#x0301;n Valverde; J.Cristóbal López

Publisher: Elsevier Science
Year: 2003
Tongue: French
Weight: 399 KB
Volume: 44
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(03)01455-2

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✦ Synopsis

Halo-exo-glycals of the gluco-, manno-and galacto-series, readily prepared by reaction of 1-exo-methylene pyranoses with iodonium dicollidinium triflate (IDCT), undergo Suzuki or B-alkyl Suzuki cross-coupling reactions with boronic acids or alkyl boranes to yield, in a stereoselective manner, functionalized exo-glycals.

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## Abstract For Abstract see ChemInform Abstract in Full Text.