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SYNTHESIS OF 1,3-DIHYDRO-2H-BENZIMIDAZOL-2-ONES

Ramon I. Armenta, Juan Sarmiento
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Abstract


This microreview covers data regarding the synthesis of 1,3-dihydro-2H-benzimidazol-2-ones published during the last five years. The synthetic routes to benzimidazolones can be classified into several types: cyclocarbonylation of 1,2-diaminobenzenes, transformation of benzimidazolium salts, synthesis from arylureas, a Curtius reaction of anthranilic acids or phthalic anhydrides, and other pathways.

 


Keywords


1,3-dihydro-2H-benzimidazol-2-one

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