A convenient synthesis of fluorine-containing dihydrobenzo[b][1,4]diazepinols and its application to a synthesis of novel N-sulfinylanilines.

[摘要]：The reactions of Me2CHCH2OCH:C(COCF3)2 with various benzene-1,2-diamines gave 2,5-dihydro-3-trifluoroacetyl-2-trifluoromethyl-1H-benzo[b][1,4]diazepin- 2-ols (I) in moderate to high yields under very mild conditions. Also, 2,5-dihydro-3-perhaloalkanoyl-2-perhaloalkyl-1H-benzo[b][1,4]diazepin es were synthesized successfully by quite similar manner. Reactions of I with SOCl2 gave unexpected novel 2-(sulfinylamino)-N-[2,2-bis(trifluoroacetyl)vinyl]anilines.

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