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Synlett 1998; 1998(12): 1426-1428
DOI: 10.1055/s-1998-1949
DOI: 10.1055/s-1998-1949
letter
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Electron Transfer Driven Addition of Ketimine Derived Radicals to Arene-Cr(CO)3 Complexes
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)
![](https://www.thieme-connect.de/media/synlett/199812/lookinside/thumbnails/10.1055-s-1998-1949-1.jpg)
The first examples of SmI2 mediated radical cyclizations of ketimines have been achieved with η 6-arene-Cr(CO)3 complexes bearing ketimine sidechains. The cyclization products were obtained in high yield and with significant diastereoselectivity. The reactions seem to proceed via addition of azaketyl-type radicals to the complexed arenes to form 17 VE intermediates which are trapped by single electron transfer to give the corresponding (anionic) 18 VE species.
chromium complexes - radical cyclization - samarium(II)iodide - electron transfer - ketimines