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Synlett 1999; 1999(9): 1468-1470
DOI: 10.1055/s-1999-2876
DOI: 10.1055/s-1999-2876
letter
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Mn(III)/Cu(II)-Mediated Radical Cyclization of α-(Methylthio)acetamides
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Publikationsverlauf
Publikationsdatum:
31. Dezember 1999 (online)
![](https://www.thieme-connect.de/media/synlett/199909/lookinside/thumbnails/10.1055-s-1999-2876-1.jpg)
N-(Cyclohex-1-enyl)-α-(methylthio)acetamides 1, upon treatment with Mn(OAc)3 in the presence of Cu(OAc)2, underwent cyclization in a 5-endo-trig manner to give 1,4,5,6-tetrahydro-3-methylthio-2H-indol-2-ones 2. The radical mechanism has been proposed for the cyclization of 1.
radical cyclization - manganese(III) acetate - copper(II) acetate - carbamoylmethyl radical - neophyl rearrangement