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New results in the isopropylidenation of galactopyranosides. Useful intermediates for the synthesis of galactose derivatives.

✍ Scribed by Pier Luigi Barili; Giancarlo Berti; Giorgio Catelani; Fabrizia Colonna; Alberto Marra

Book ID: 104218597
Publisher: Elsevier Science
Year: 1986
Tongue: French
Weight: 255 KB
Volume: 27
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)84515-3

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✦ Synopsis

Reaction of several a-and B-qalactopyranosides with 2,2-dimethoxypropane produced up to five types of mono-, bis-, and trisfisopropylidenelacetals, among which the 3,4-O-isopropylidene-6-O-(2-methoxyisopropyl) derivatives can be obtained in high yield and be useful intermediates for selective syntheses of 2-, 6-, and 2,6-O-substituted galactose derivatives.

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