Synthesis of 2-N-alkyl(aryl)amino-7-nitrobenzothiazoles
摘要:
A highly efficient synthesis of 2-N-alkyl(aryl)amino-7-nitrobenzothiazoles has been developed. The key step involves intramolecular cyclization of a thiourea facilitated by the nitro group. (C) 2004 Elsevier Ltd. All rights reserved.