Selective Cleavage of tert-Butyldimethylsilylethers ortho to a Carbonyl Group by Ultrasound
作者:Alex H De Groot、Roger A Dommisse、Guy L Lemière
DOI:10.1016/s0040-4020(00)00053-3
日期:2000.3
A general method for the selective cleavage of tert-butyldimethylsilylethers ortho to a carbonyl group is established by sonication of a 0.1 M solution of the substrate in 1/1 (v/v) CH3OH/CCl4. Other phenolic tert-butyldimethylsilylethers are unaffected. This reaction performed on flavanoids is completed within 3 h and no special workup is required. Other substrates are also investigated and a mechanism is proposed. (C) 2000 Elsevier Science Ltd. All rights reserved.
GB914248
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MILES, CHRISTOPHER O.;MAIN, LYNDSAY;NICHOLSON, BRIAN K., AUSTRAL. J. CHEM., 42,(1989) N, C. 1103-1113
作者:MILES, CHRISTOPHER O.、MAIN, LYNDSAY、NICHOLSON, BRIAN K.