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Synlett 1995; 1995(1): 95-96
DOI: 10.1055/s-1995-4863
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Tributylchlorostannane as Lewis Acid in the Regioselective Reductive Cleavage of Ketals

A. Srikrishna* , R. Viswajanani
  • *Department of Organic Chemistry, Indian Institute of Science, Bangalore - 560 012, India
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Publication Date:
31 December 2000 (online)

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A regioselective reductive demethoxylation of dimethyl and mixed ketals, using sodium cyanoborohydride in the presence of a catalytic amount of tributylchlorostannane as Lewis acid in refluxing tert-butanol is described.

Ketal - Tributylchlorostannane - Lewis Acid - Sodium cyanoborohydride - Reductive cleavage