ChemInform Abstract: Regioselective Nitration of N^α,N¹‐Bis(trifluoroacetyl)‐L‐tryptophan Methyl Ester: Efficient Synthesis of 2‐Nitro and 6‐Nitro‐N‐trifluoroacetyl‐L‐tryptophan Methyl Ester.

Abstract

Methods for the regioselective nitration of N α ,N 1 -bis(trifluoroacetyl)-L-tryptophan methyl ester (I) in the 2-or 6-position are studied. -(OSBORNE, A. S.; SOM, P.; METCALF, J. L.; PHILLIPS*, R. S.; Bioorg. Med. Chem. Lett. 18 (2008) 21, 5750-5752; Dep. Chem., Univ. Ga., Athens, GA 30602, USA; Eng.) -M. Bohle 10-188