Category:
Chiral Intermediates
CAS NO:
1040281-83-1
Standard:
In-house Standards,
;Chemical Purity0.98 ;Appearance:Light brown solid ;Molecular Formula:C11H15BO3SMolecular Weight:238.11
5-Formyl-2-thiopheneboronic acid pinacol ester is a specialized organoboron intermediate synthesized via palladium-catalyzed borylation of 5-formyl-2-bromothiophene. Its molecular formula is C12H17BO3S, and it bears CAS number 1048696-94-1. This compound serves as a critical building block for cross-coupling reactions in medicinal chemistry.
Store under inert atmosphere at -20°C to prevent hydrolysis. Use appropriate PPE due to potential sensitization risks. Not intended for direct clinical use; strictly for R&D and manufacturing processes only.