Direct conversion of esters to secondary
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Wei-Bo Wang; Josรฉ A. Restituyo; Eric J. Roskamp
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Article
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1993
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Elsevier Science
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French
โ 267 KB
We have developed two new procedmea for the dtrect converston of e&are to secondary am&b. In our first procedure, secondary amides can be prepared in 8348% yield starting from glycol esters. Addition of Sn[NU'MS)~2 and a primary amine to the glycol ester generates an intermediate tin(III alkoxy amid