A variety of aldehydes were converted into acylals in excellent ields with acetic anhydride in the presence of a catalytic amount of tin (¢?) chloride supported
First application of optically active trans-1,2-Bis(2-aminophenyl)cyclopentane 2 for asymmetric reaction, enantioselective N-acetylation of secondary alkyl amin
A photochemical desilylation reaction with nearly quantitative yield and excellent selectivity between silyl alkyl ether and silyl enol ether is reported.