Reference of 16209-00-0, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 16209-00-0 as follows.
EXAMPLE 58 [4-(Pyrazol-1-yl)-phenyl]-(5H,11H-pyrrolo[2,1-c][1,4]benzodiazepin-10-yl)-methanone To a suspension of 4-(pyrazol-1-yl)benzoic acid (1.56 g) in dichloromethane (25 ml) was added oxalyl chloride (1.04 g) and one drop of dimethylformamide.. The mixture was stirred at room temperature for 18 hours to yield a clear solution.. The volatile material was removed under reduced pressure to afford 4-(pyrazol-1-yl)benzoyl chloride as a pale yellow solid (1.58 g), which was utilized without further purification.
According to the analysis of related databases, 16209-00-0, the application of this compound in the production field has become more and more popular.
Reference:
Patent; Wyeth; EP1000062; (2004); B1;,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics