Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ia-1 and their synthetic intermediates: wherein Z, X
1
, X
2
, X
5
, R
2
and R
10
are as defined herein. Compounds of Formula Ia-1 and their synthetic intermediates can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ib-1:
wherein Z, X
1
, X
2
, X
5
, R
2b
and R
10
are as defined herein. Compounds of Formula Ib-1 can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ia-1 and their synthetic intermediates: wherein Z, X1, X2, X5, R2 and R10 are as defined herein. Compounds of Formula Ia-1 and their synthetic intermediates can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
Provided are compounds having Formula VIIIa-1:
wherein Z, X5, R2, R2a and R10 are as defined herein. Compounds of Formula VIIIa-1 can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
Provided are processes for the preparation of benzimidazole structures having Formula VIIIb-1:
and salts and solvates thereof, wherein Z, X
5
, R
2b
, R
2c
and R
10
are as defined herein. Compounds of Formula VIIIb-1 are useful for the preparation of benzimidazole derivatives.