Application of 33863-76-2, The chemical industry reduces the impact on the environment during synthesis 33863-76-2, name is 1-Bromo-3-chloro-5-fluorobenzene, I believe this compound will play a more active role in future production and life.
To a solution of ethyl 4-ethyl-3-hydroxyphenylacetate (12a, 0.700 g; 3.36 mmol) and NMP (8 mL) was added K2CO3 (1.393 g; 10.08 mmol) and 1-bromo-3-chloro-5-fluorobenzene (59b, 0.774 g; 3.7 mmol). The reaction was heated to 120 C. and monitored by TLC. After 8 h the reaction was cooled to RT and 10% HCl was added. The mixture was extracted with EtOAc and the combined extracts were washed with H2O and brine. The extracts were dried (Na2SO4) filtered and evaporated. The crude product was chromatographed with silica gel and eluted with a gradient of hexane/EtOAc (100 to 60% hexane) to afford 124a.
In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 1-Bromo-3-chloro-5-fluorobenzene, other downstream synthetic routes, hurry up and to see.
Reference:
Patent; Roche Palo Alto LLC; US2005/239881; (2005); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics