Unexpected products from the Fp 2-catalyzed reductive cyclization of nitroaromatics bearing pendant unsaturation

DK O'Dell, KM Nicholas

Index: O'Dell, David K.; Nicholas, Kenneth M. Tetrahedron, 2003 , vol. 59, # 6 p. 747 - 754

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Citation Number: 21

Abstract

A representative o-nitroenone (Z= O) was cyclized by reduction with CO and [CpFe (CO) 2] 2 (Fp2) as the catalyst to give the corresponding 4-quinolone. In contrast, Baylis–Hillman adducts derived from o-nitrobenzaldehydes were cyclized to N-formylindolines and indoles under the same conditions.