6-Bromo-4-fluoro-1-isopropyl-2-methyl-1H-benzimidazole

6-Bromo-4-fluoro-1-isopropyl-2-methylbenzimidazole is a substituted benzimidazole intermediate associated with abemaciclib synthesis. It transfers the fluoro-, methyl- and N-isopropyl-substituted heterocycle as an assembled fragment. The aromatic bromine supplies a coupling handle for connection to the next heteroaromatic component of the synthetic route.

This material is the brominated intermediate rather than abemaciclib itself. Its ring nitrogen is already isopropyl-substituted, so later operations can focus on replacing the bromine without introducing that N-substituent again. The defined position of bromine is important because it determines the connection point to the larger molecular framework. This gives the intermediate a specific fragment-building role in pharmaceutical synthesis.

Typical Applications

• Abemaciclib fragment coupling: Used in coupling sequences that replace the aromatic bromine and join the substituted benzimidazole fragment to the downstream heteroaromatic framework.
• Benzimidazole-containing analogue synthesis: Used as a brominated starting fragment to prepare related coupled structures while retaining the fluoro, methyl and N-isopropyl substitution pattern of the benzimidazole ring.

Specifications

Specifications describe the standard grade. Tolerance, test method and documentation package are confirmed per order.