Bromodimethylsulfonium bromide (BDMS) mediated dithioacetalization of carbohydrates under solvent-free conditions
作者:Abu T. Khan、Md. Musawwer Khan
DOI:10.1016/j.carres.2010.07.044
日期:2010.10
A variety of diethyl dithioacetals of sugars can be prepared in very good yields by the reaction of various monosaccharides with ethanethiol in the presence of 3 mol% bromodimethylsulfonium bromide (BDMS) at 0-5 degrees C. Similarly, dipropyl dithioacetal derivatives can also be obtained in good yields using propanethiol under identical reaction conditions. These dithioacetal derivatives were characterized
STUDIES ON MERCAPTALS OF SUGARS. II. NORMAL PROPYL MERCAPTALS OF SUGARS
作者:Y\={u}ichi Maeda、Yoshisuke Uyeda
DOI:10.1246/bcsj.1.181
日期:1926.8
The following sugars were obtained as new crystalline mercaptals by treatments with normal propyl mercaptan:—Three hexoses, glucose, galactose and mannose ; one pentose, arabinose, one methyl pentose, rhamnose; two dioses, maltose and sucrose.