发明申请
US20100130748A1 SNAR PROCESS FOR PREPARING BENZIMIDAZOLE COMPOUNDS 有权
制备苯并咪唑化合物的SNAR方法

SNAR PROCESS FOR PREPARING BENZIMIDAZOLE COMPOUNDS
摘要:
Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ia-2 and their synthetic intermediates: wherein X1, X2, X5, R1, R2 and R4 are as defined herein. Compounds of Formula Ia-2 and their synthetic intermediates can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
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