A novel regio- and highly stereoselective anomeric deacetylation of 2-aminosugar derivatives
✍ Scribed by Martin Avalos; Reyes Babiano; Pedro Cintas; José L. Jiménez; Juan C. Palacios; Concepción Valencia
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- French
- Weight
- 297 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
Silica gel-mediated awneric deacetylatioa of per-acetylated 2-amino-2deoxy-glycopyraaose derivatives ia me&awl constitates a mild and inexpensive pmtocol for the selective depmtectioa of these nlevaat carbohydrate templates. The reactha pmceeds with high stemoselectivity aad with an almost complete avoidance of by-p&acts.
📜 SIMILAR VOLUMES
## Abstract For Abstract see ChemInform Abstract in Full Text.
## 2-[N-Alkyl(benzyl)-N-(prop-2%-ynyl) ]aminobenzamides 5 reacted with aryl iodides 2 under palladium-copper catalysis to yield disubstituted alkynes 6-13, which underwent a novel cyclisation in the presence of CuI, K 2 CO 3 , n-Bu 4 NBr in acetonitrile to yield (E)-1-alkyl(benzyl)-3-aryl-2-(2-ary