- Efficient propylphosphonic anhydride (T3P) mediated synthesis of benzothiazoles, benzoxazoles and benzimidazoles
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Propylphosphonic anhydride (T3P) promotes cyclization of o-aminobenzenethiol, o-aminophenol, and o-phenylenediamine with carboxylic acids under microwave irradiation. The one-pot procedure is efficient and allows short reaction times, easy workup, and good yields. Thus, we describe here a method for quick preparation of benzothiazoles, benzoxazoles and benzimidazoles.
- Wen, Xiaoan,Bakali, Jamal El,Deprez-Poulain, Rebecca,Deprez, Benoit
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supporting information; experimental part
p. 2440 - 2443
(2012/06/01)
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