Nucleophile induced rearrangements of thioglycosides: Formation of 6-thio glycosides and 16 thioanhydrosugars
摘要:
Treatment of Ethyl 2,3 di-O-benzoyl-1,6-di-O-toluenesulfonyl-1-thio-beta-D-glucopyranoside 12 with sodium methoxide at low temperature gives Methyl 3,4 anhyro-6-S-ethyl-beta-D-galactopyranoside 13, whereas treatment with sodium iodide in reluxing butanone yields 2,3 di-O-benzoyl-4-O-toluensesulfonyl-1,6 thioanhydro-D-glucopyranose 19.
Nucleophile induced rearrangements of thioglycosides: Formation of 6-thio glycosides and 16 thioanhydrosugars
摘要:
Treatment of Ethyl 2,3 di-O-benzoyl-1,6-di-O-toluenesulfonyl-1-thio-beta-D-glucopyranoside 12 with sodium methoxide at low temperature gives Methyl 3,4 anhyro-6-S-ethyl-beta-D-galactopyranoside 13, whereas treatment with sodium iodide in reluxing butanone yields 2,3 di-O-benzoyl-4-O-toluensesulfonyl-1,6 thioanhydro-D-glucopyranose 19.