A new and facile synthesis of 6-methyl-2-trifluoromethyl-4-(O,O- dialkyl) phosphoryl- quinoline
β Scribed by Deng-Huang Gong; Jin-Feng Li; Cheng-Ye Yuan
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 362 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0256-7660
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Syntheses of the title glycosides are described. The critical O-glycosylations were carried out in the presence of boron trifluoride etherate with a high degree of alpha-selectivity.
Condensation of 2,4-di-O-acetyl-3,6-di-O-methyl-a-~glucopyranosyl bromide with either ally1 or benxyl2,4-di-0-methyl-cu+rhamnopyranoside in the presence of mercuric cyanide, followed by 0-deacetylation, gave the title oligosaccharides in excellent yields.
A recent paper by Yoshitake et. a1.l describing the synthesis of carbon-14 labeled optically active 0-aryl 0-ethyl phenylphosphonothioates prompts us to report on our preparation of two labeled substances of the same compound class, although not in their optically active form. PhosvelTM, 0-(4-bromo-