5-[3-(2,2,2-Trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid → 3-(5-{5-[3-(2,2,2-Trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-yl}-[1,2,4]oxadiazol-3-yl)-benzenesulfonamide

HRID 1784583Notes

Reaction equation

HRID 1784583 reaction equation
[F:1][C:2]([F:32])([F:31])[CH2:3][O:4][C:5]1[CH:6]=[C:7]([C:15]2[CH:20]=[C:19]([C:21]([F:24])([F:23])[F:22])[N:18]3[N:25]=[CH:26][C:27]([C:28](O)=O)=[C:17]3[N:16]=2)[CH:8]=[CH:9][C:10]=1[C:11]([F:14])([F:13])[F:12].[OH:33][NH:34][C:35](=[NH:46])[C:36]1[CH:41]=[CH:40][CH:39]=[C:38]([S:42](=[O:45])(=[O:44])[NH2:43])[CH:37]=1>>[F:32][C:2]([F:1])([F:31])[CH2:3][O:4][C:5]1[CH:6]=[C:7]([C:15]2[CH:20]=[C:19]([C:21]([F:22])([F:23])[F:24])[N:18]3[N:25]=[CH:26][C:27]([C:28]4[O:33][N:34]=[C:35]([C:36]5[CH:37]=[C:38]([S:42]([NH2:43])(=[O:44])=[O:45])[CH:39]=[CH:40][CH:41]=5)[N:46]=4)=[C:17]3[N:16]=2)[CH:8]=[CH:9][C:10]=1[C:11]([F:12])([F:13])[F:14]

Participants

3

Reactant 2

HCID 866071155-[3-(2,2,2-Trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acidHCID 178513322HCID 178513322, compound

Product 1

HCID 160688793-(5-{5-[3-(2,2,2-Trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-yl}-[1,2,4]oxadiazol-3-yl)-benzenesulfonamide

Procedure

The title compound was prepared from 5-[3-(2,2,2-trifluoro-ethoxy)-4-trifluoromethyl-phenyl]-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (example C.10) (237 mg, 0.5 mmol) and N-hydroxy-3-sulfamoyl-benzamidine [CAS-No. 9000-88-7] (161 mg, 0.75 mmol) according to general procedure II. Obtained after purification by flash chromatography (ethyl acetate/hexane) and crystallization (dichloromethane) as a light yellow solid (220 mg, 67%). MS (EI) 652.2 [(M)+]; mp 250° C.

Workup

  1. customObtained
  2. customafter purification
  3. customby flash chromatography (ethyl acetate/hexane) and crystallization (dichloromethane) as a light yellow solid (220 mg, 67%)

Sources & evidence

ORD record
ord-d3f4b785fcbb423d8cb7bc542cbf1a65
Source dataset
uspto-grants-2009_03
Patent number
US07504404B2

Reaction notes

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