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Diisopropylethylamine → (S)-N-((R)-1-(2-Fluoro-5-methyl-4-(methylsulfonamido)phenyl)ethyl)-2-(1,1,1-trifluoro-2-methylpropan-2-yl)-5,6,7,8-tetrahydroquinoline-6-carboxamide

HRID 1690787
Notes
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Reaction equation

HRID 1690787 reaction equation
Cl.[NH2:2][C@@H:3]([C:5]1[C:10]([F:11])=[CH:9][C:8]([NH:12][S:13]([CH3:16])(=[O:15])=[O:14])=[C:7]([CH3:17])[CH:6]=1)[CH3:4].[F:18][C:19]([F:37])([F:36])[C:20]([C:23]1[CH:32]=[CH:31][C:30]2[CH2:29][C@@H:28]([C:33](O)=[O:34])[CH2:27][CH2:26][C:25]=2[N:24]=1)([CH3:22])[CH3:21].C(N(CC)C(C)C)(C)C.F[P-](F)(F)(F)(F)F.C[N+](C)=C(N(C)C)ON1C2N=CC=CC=2N=N1>CN1CCCC1=O>[F:11][C:10]1[CH:9]=[C:8]([NH:12][S:13]([CH3:16])(=[O:15])=[O:14])[C:7]([CH3:17])=[CH:6][C:5]=1[C@H:3]([NH:2][C:33]([C@H:28]1[CH2:27][CH2:26][C:25]2[N:24]=[C:23]([C:20]([CH3:22])([CH3:21])[C:19]([F:37])([F:36])[F:18])[CH:32]=[CH:31][C:30]=2[CH2:29]1)=[O:34])[CH3:4]
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 58118635(S)-2-(1,1,1-trifluoro-2-methylpropan-2-yl)-5,6,7,8-tetrahydroquinoline-6-carboxylic acidHCID 66718598(R)-N-(4-(1-aminoethyl)-5-fluoro-2-methylphenyl)methanesulfonamide hydrochloride

Product 1

HCID 58118606
(S)-N-((R)-1-(2-Fluoro-5-methyl-4-(methylsulfonamido)phenyl)ethyl)-2-(1,1,1-trifluoro-2-methylpropan-2-yl)-5,6,7,8-tetrahydroquinoline-6-carboxamide
Yield 87.3%

Reagents, catalysts & solvents 1

HCID 13387N-methyl-2-pyrrolidoneSolvent2×

Procedure

A 2 ml, vial was charged with (R)—N-(4-(1-aminoethyl)-5-fluoro-2-methylphenyl)methanesulfonamide hydrochloride (51 mg, 0.18 mmol), (S)-2-(1,1,1-trifluoro-2-methylpropan-2-yl)-5,6,7,8-tetrahydroquinoline-6-carboxylic acid (47 mg, 0.16 mmol) and N,N-diisopropylethylamine (110 uL, 0.65 mmol) and N-methylpyrrolidinone (0.8 mL). A solution of N,N,N′,N′-Tetramethyl-O-(7-azabenzotriazol-1-yl)uronium Hexafluorophosphate (75 mg, 0.20 mmol) in N-methylpyrrolidinone (0.4 mL) was added and the resulting mixture was stirred at room temperature. After 30 min the mixture was filtered and purified by reverse-phase HPLC (10-75% MeCN in 10 mM Et2NH/H2O) to afford the amide as a solid (72 mg, 85%). The sample was dissolved in hot 2/3 IPA/hexane (5 mL). 1.2 mL injections were separated on a ChiralPak AD-H 5 um, 250×20 mm column, eluting with 85/15/0.03 hexane/IPA/Et2NH at 20 mL/min. Peaks eluted at 7.5 and 8.7 min, with UV monitoring at 254 and 230 nm. The major isomer, eluting at 8.7 min was concentrated to afford the amide as fine plates (47 mg, 56%). 1H NMR (400 MHz, DMSO-d6) δ 9.19 (s, 1H), 8.41 (d, J=7.6 Hz, 1H), 7.53 (d, J=8.1 Hz, 1H), 7.35 (d, J=8.1 Hz, 1H), 7.22 (d, J=8.5 Hz, 1H), 7.07 (d, J=11.6 Hz, 1H), 5.09 (app pentet, J=7.2 Hz, 1H), 3.01 (s, 3H), 2.92-2.78 (m, 4H), 2.71-2.61 (m, 1H), 2.26 (s, 3H), 2.06-1.97 (m, 1H), 1.82-1.69 (m, 1H), 1.53 (s, 3H), 1.35 (d, J=7.1 Hz, 3H); m/z=516.2 (M+H)+.

Workup

  1. filtrationAfter 30 min the mixture was filtered
  2. custompurified by reverse-phase HPLC (10-75% MeCN in 10 mM Et2NH/H2O)

Sources & evidence

ORD record
ord-3053374544024329891961674ec527bc
Source dataset
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08153651B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes