A facile, rapid and regioselective method for the l-O-deacylation of peracylatedglycopyranoses is described which occurs under mild conditions by absorption ont
α, α'-Bis(substituted benzylidene)cycloalkanones were efficiently prepared fromcycloalkanones and benzaldehydes in [bmim][BF4] by using iron(Ⅲ) chloride