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Diisopropylethylamine → 5-Amino-N-{4-[(3S,5R)-3-amino-5-(trifluoromethyl)piperidin-1-yl]-2,3-dihydrofuro[2,3-b]pyridin-5-yl}-2-(2,6-difluorophenyl)-1,3-thiazole-4-carboxamide

HRID 1499508
Notes
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Reaction equation

HRID 1499508 reaction equation
C(OC([NH:8][C:9]1[S:13][C:12]([C:14]2[C:19]([F:20])=[CH:18][CH:17]=[CH:16][C:15]=2[F:21])=[N:11][C:10]=1[C:22]([OH:24])=O)=O)(C)(C)C.[NH2:25][C:26]1[C:27]([N:35]2[CH2:40][C@H:39]([C:41]([F:44])([F:43])[F:42])[CH2:38][C@H:37]([NH:45]C(=O)OC(C)(C)C)[CH2:36]2)=[C:28]2[CH2:34][CH2:33][O:32][C:29]2=[N:30][CH:31]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C>[NH2:8][C:9]1[S:13][C:12]([C:14]2[C:15]([F:21])=[CH:16][CH:17]=[CH:18][C:19]=2[F:20])=[N:11][C:10]=1[C:22]([NH:25][C:26]1[C:27]([N:35]2[CH2:40][C@H:39]([C:41]([F:44])([F:43])[F:42])[CH2:38][C@H:37]([NH2:45])[CH2:36]2)=[C:28]2[CH2:34][CH2:33][O:32][C:29]2=[N:30][CH:31]=1)=[O:24]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 674381985-((Tert-butoxycarbonyl)amino)-2-(2,6-difluorophenyl)thiazole-4-carboxylic acidHCID 86726738tert-Butyl [(3S,5R)-1-(5-amino-2,3-dihydrofuro[2,3-b]pyridin-4-yl)-5-(trifluoromethyl)piperidin-3-yl]carbamate

Product 1

HCID 86726739
5-Amino-N-{4-[(3S,5R)-3-amino-5-(trifluoromethyl)piperidin-1-yl]-2,3-dihydrofuro[2,3-b]pyridin-5-yl}-2-(2,6-difluorophenyl)-1,3-thiazole-4-carboxamide
Yield 13.1%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a mixture of 5-[(tert-butoxycarbonyl)amino]-2-(2,6-difluorophenyl)-1,3-thiazole-4-carboxylic acid (58.2 mg, 0.163 mmol), tert-butyl [(3S,5R)-1-(5-amino-2,3-dihydrofuro[2,3-b]pyridin-4-yl)-5-(trifluoromethyl)piperidin-3-yl]carbamate (55.3 mg, 0.137 mmol) and HATU (180.9 mg, 0.4758 mmol) was added DMF (2.0 mL) followed by DIPEA (162.2 mg, 1.255 mmol). The reaction mixture was stirred at room temperature for 3 h, and then concentrated under reduced pressure. To the resulting residue was added DCM (2.0 mL), followed by TFA (2.0 mL). The mixture was stirred at room temperature for 30 min., and then concentrated under reduced pressure. The resulting residue was purified using RP-HPLC (XBridge™ C18 column, eluting with a gradient of MeCN/water containing 0.1% NH4OH, at flow rate of 30 mL/min.) to afford the title compound as a white solid (9.7 mg, 13%). LCMS calc. for C23H22F5N6O2S (M+H)+: m/z=541.1. found 541.1.

Workup

  1. concentrationconcentrated under reduced pressure
  2. additionTo the resulting residue was added DCM (2.0 mL)
  3. stirringThe mixture was stirred at room temperature for 30 min.
  4. concentrationconcentrated under reduced pressure
  5. customThe resulting residue was purified
  6. washeluting with a gradient of MeCN/water containing 0.1% NH4OH, at flow rate of 30 mL/min.)

Sources & evidence

ORD record
ord-bb16dfa4a343437fb8b5d03a086c081b
Source dataset
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09200004B2

Reaction notes

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