No abstract

Dimethyltin Dichloride Catalyzed Regioselective Alkylation of cis-1,2-Diols at Room Temperature. -The title reaction is carried out with the halides (II) and (V), generally under conditions A). In this process, a high functional group compatibility is observed. In most cases, carbohydrates or inositols are the substrates of choice. Furthermore, cyclic diols such as (XIII), acyclic diol (XV) and erythritol (XVII) produce a monoprotected product. If galactal (IX) is used, a mixture is formed in the standard process. However, if the amount of reactant (IIa) is doubled, isolation of dibenzylated derivative (X) becomes possible. -(SAIKAM, V.; DARA, S.; YADAV, M.; SINGH, P. P.; VISHWAKARMA*, R. A.; J.