Ethyl bromoacetate → Ethyl 2-[2-fluoro-3-[[2-fluoro-5-(3-fluorophenyl)phenyl]methylamino]-4-methyl-phenoxy]acetate

To a solution of 2-fluoro-3-[[2-fluoro-5-(3-fluorophenyl)phenyl]methylamino]-4-methyl-phenol (300 mg, 0.87 mmol, 1 eq) in DMF (6 mL) was added Cs2CO3 (425 mg, 1.31 mmol, 1.5 eq). The reaction mixture was stirred at room temperature for 1 h, then ethyl 2-bromoacetate (174 mg, 1.04 mmol, 1.2 eq) was added. The reaction mixture was stirred for 1 h then the reaction quenched by pouring into water. The mixture was extracted with EtOAc and the organic extract washed with water and brine, dried (Na2SO4), filtered and evaporated in vacuo. The residue obtained was purified by column chromatography (EtOAc:petroleum ether, 0:1 to 1:10) to give the title compound as an oil (260 mg, 70%).

1. stirringThe reaction mixture was stirred for 1 h
2. customthe reaction quenched
3. additionby pouring into water
4. extractionThe mixture was extracted with EtOAc
5. extractionthe organic extract
6. washwashed with water and brine
7. dry with materialdried (Na2SO4)
8. filtrationfiltered
9. customevaporated in vacuo
10. customThe residue obtained
11. customwas purified by column chromatography (EtOAc:petroleum ether, 0:1 to 1:10)

ORD 기록

ord-b159781ab3ea4534924ff8e63e2941ae

출처 데이터셋

uspto-grants-2016_02

DOI

10.6084/m9.figshare.5104873.v1

특허 번호

US09249085B2