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Preparation and synthetic use of trimethylsilyl polyphosphate. A new stereoselective aldol-type reaction in the presence of trimethylsilyl polyphosphate

✍ Scribed by Imamoto, Tsuneo; Matsumoto, Teruyo; Yokoyama, Hideki; Yokoyama, Masataka; Yamaguchi, Keiichi


Book ID
127136453
Publisher
American Chemical Society
Year
1984
Tongue
English
Weight
766 KB
Volume
49
Category
Article
ISSN
0022-3263

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## Abstract In the presence of 2 mol‐equiv. of AcONa, both triglycosylborane **1** and dicyclohexylglycosylborane **2** readily react with bromine chloride generated __in situ__ from bromide and __N__‐chlorosuccinimide (NCS) to give the bromo‐sugar **3** (75 and 60%, resp.). The use of the BH~3~‐TH