Tetrahedron Letters

Dimethylboron bromide and diphenylboron bromide. Acetal and ketal cleavage. Cleavage of MEM, MOM, and MTM ethers.

Y Quindon, HE Morton, C Yoakim

Index: Quindon, Yvan; Morton, Howard E.; Yoakim, Christiane Tetrahedron Letters, 1983 , vol. 24, # 37 p. 3969 - 3972

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Citation Number: 89

Abstract

Abstract A general and efficient procedure for the cleavage of acetals and ketals by the use of dimethylboron bromide or diphenylboron bromide is described. Under similar reaction conditions, MEM, MOM and MTM ethers also react to afford the parent alcohols in excellent yields.

~98%

~93%

~88%

~94%

~88%

~90%

~89%

~93%

~95%

~93%

~91%

~92%

~90%

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