Electrochemical glycosylation in the presence of a catalytic chemical mediator

Electrochemical glycosylation of thioglycoside donors proceeds efficiently in an undivided cell in the presence of a catalytic amount of the chemical mediator (4-bromophenyl) ammoniumyl hexachloroantimonate (BAHA). In comparison with electrochemical glycosylation alone, the use of a catalytic amount of BAHA greatly increases the rate of reaction, reduces the potential required and inhibits ester-protecting group migrations. Copyright (C) 2008 John Wiley & Sons, Ltd.