Endocyclic cleavage of glycosides. VI. Substituent effects of the alkylative endocyclic cleavage of glycosides

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Sammanfattning

A number of pentopyranoside derivatives were treated with Me 3 Al in order to investigate the influence of structural parameters on the methyl group transfer in the endocyclic alkylative cleavage reaction of these substrates. A cyclic CH ··· O hydrogen bonded model is suggested as an intermediate, which is used to explain the stereoselectivities for different substrates. In several, cases the diastereoselectivities were better than 9:1.

Originalspråkengelska
Sidor (från-till)3935-3954
TidskriftTetrahedron
Volym54
Nummer15
DOI
StatusPublished - 1998 apr. 9

Ämnesklassifikation (UKÄ)

  • Läkemedelskemi

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