Triethylamine → Methyl 2-(3-(4-(3-(2-fluorophenyl)ureido)phenyl)isoxazole-5-carboxamido)acrylate

HRID 75834Notes

Reaction equation

HRID 75834 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[NH:8][C:9](=[O:32])[NH:10][C:11]1[CH:16]=[CH:15][C:14]([C:17]2[CH:21]=[C:20]([C:22]([NH:24][C@@H:25]([CH2:30]O)[C:26]([O:28][CH3:29])=[O:27])=[O:23])[O:19][N:18]=2)=[CH:13][CH:12]=1.CC(C)C(NC(C1ON=C(C2C=CC(NC(NC3C=CC(C(F)(F)F)=CC=3)=O)=CC=2)C=1)=O)C(OC)=O.S(Cl)(C)(=O)=O.CCN(CC)CC>C(Cl)Cl.O>[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[NH:8][C:9](=[O:32])[NH:10][C:11]1[CH:16]=[CH:15][C:14]([C:17]2[CH:21]=[C:20]([C:22]([NH:24][C:25](=[CH2:30])[C:26]([O:28][CH3:29])=[O:27])=[O:23])[O:19][N:18]=2)=[CH:13][CH:12]=1

Participants

7

Reactant 4

HCID 8471TriethylamineHCID 31297Methanesulfonyl chlorideHCID 67352407Methyl 3-methyl-2-(3-(4-(3-(4-(trifluoromethyl)phenyl)ureido)phenyl)isoxazole-5-carboxamido)butanoateHCID 67352794(S)-Methyl 2-(3-(4-(3-(2-fluorophenyl)ureido)phenyl)isoxazole-5-carboxamido)-3-hydroxypropanoate

Product 1

HCID 67352199Methyl 2-(3-(4-(3-(2-fluorophenyl)ureido)phenyl)isoxazole-5-carboxamido)acrylateYield 30%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6344DichloromethaneSolvent

Procedure

(S)-methyl 2-(3-(4-(3-(2-fluorophenyl)ureido)phenyl)isoxazole-5-carboxamido)-3-hydroxypropanoate (compound of Example 275, 500 mg, 1.13 mmol) was taken in DCM and mesyl chloride (0.13 ml, 1.69 mmol) and Et3N (0.24, 1.69 mmol) were added and the reaction mixture was stirred at RT for half an hour. Water was added to quench the reaction and the organic layer was extracted with DCM. Organic layer was dried over Na2SO4 and concentrated under vacuum. Crude compound was purified by precipitation using DCM and petroleum ether to yield 140 mg (30%) of the required compound as white solid. MS: ES (+) m/z 425(M+1); 1HNMR (DMSO-d6, 300 MHz) δ: 10.241 (s, 1H), 8.367 (s, 1H), 8.656 (d, 1H), 8.180 (t, 1H), 7.907 (d, 2H), 7.769 (s, 1H), 7.645 (d, 2H), 7.290 (m, 1H), 7.189 (t, 1H), 7.067 (m, 1H), 6.046 (s, 1H), 5.918 (s, 1H), 3.782 (s, 3H).

Workup

  1. customto quench
  2. customthe reaction
  3. extractionthe organic layer was extracted with DCM
  4. dry with materialOrganic layer was dried over Na2SO4
  5. concentrationconcentrated under vacuum
  6. customCrude compound was purified by precipitation

Sources & evidence

ORD record
ord-bb98e63c638e4b07a324eafa4df40364
Source dataset
uspto-grants-2014_09
Patent number
US08835428B2

Reaction notes

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