Über die β-d-Glucoside verschiedener p-Oxybenzoesäure- und Salicylsäureester und ihre Spaltbarkeit mit Mandel-Emulsin. 2. Mitteilung: „Über Phenolglykoside”
作者:Günther Wagner、Hans Kühmstedt
DOI:10.1002/ardp.19562890906
日期:——
Reliable method for the synthesis of aryl β-<scp>D</scp>-glucopyranosides, using boron trifluoride–diethyl ether as catalyst
作者:Elly Smits、Jan B. F. N. Engberts、Richard M. Kellogg、Henk A. van Doren
DOI:10.1039/p19960002873
日期:——
Stereospecific formation of aryl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranosides was achieved by reaction of penta-O-acetyl-β-D-glucose 1 with substituted phenols in the presence of boron trifluoride. Yields of the purified products varied from 52–85%. Benzyl alcohol could also be glucosylated using similar conditions. All products were purified by crystallization from ethanol. The purity and the anomeric
在三氟化硼的存在下,通过五-O-乙酰基-β - D-葡萄糖1与取代酚的反应,实现了立体异构形成芳基2,3,4,6-四-O-乙酰基-β - D-吡喃葡萄糖苷。纯化产物的产率为52-85%。苯甲醇也可以在类似条件下进行糖基化。通过从乙醇中结晶纯化所有产物。通过1 H和13 C NMR光谱,熔点和旋光度测定产物的纯度和端基异构体构型。