반응 #92470

ord-69095af4fe5942e89ed7d2861e284c4f

반응 방정식

C#Cc1ccc2c(c1)ncn2-c1cc(NC(C)=O)cc(-c2ccc(F)cc2F)c1
N-(5-(5-ethynyl-1H-benzo[d]imidazol-1-yl)-2′,4′-difluorobiphenyl-3-yl)acetamide
CCOC(=O)CN=[N+]=[N-]
ethyl-2-azidoacetate
O=C1O[C@H]([C@@H](O)CO)C([O-])=C1O.[Na+]
sodium ascorbate
CCOC(=O)Cn1nncc1-c1ccc2c(c1)ncn2-c1cc(NC(C)=O)cc(-c2ccc(F)cc2F)c1
Ethyl 2-(5-(1-(5-acetamido-2′,4′-difluoro-[1,1′-biphenyl]-3-yl)-1H-benzo[d]-imidazol-5-yl)-1H-1,2,3-triazol-1-yl)acetate
수율 75.0%

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    기타The mixture was quenched with water
  2. 2
    기타the precipitate formed
  3. 3
    여과was filtered
  4. 4
    기타dried
  5. 5
    기타to give the product in 75% yield (250 mg)

실험 절차

A mixture of N-(5-(5-ethynyl-1H-benzo[d]imidazol-1-yl)-2′,4′-difluorobiphenyl-3-yl)acetamide (258 mg, 0.6 mmol), ethyl-2-azidoacetate (180 mg, 0.8 mmol, 1.3 eq.), sodium ascorbate (125 mg, 0.6 mmol, 1.0 eq.) and copper sulfate pentahydrate (80 mg, 0.32 mmol, 0.5 eq.) in t-butanol and water (1:1, 3 ml) was stirred for 12 h at RT. The mixture was quenched with water and the precipitate formed was filtered and dried to give the product in 75% yield (250 mg).

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US09447091B2uspto-grants-2016_09