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Diisopropylethylamine → N1-((1R,2S)-3-(3,5-difluorophenyl)-1-hydroxy-1-((2R,4R)-4-propoxypyrrolidin-2-yl)propan-2-yl)-N3,N3-dipropylisophthalamide

HRID 20956
Notes
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Reaction equation

HRID 20956 reaction equation
[Si]([O:8][C@H:9]([C@H:32]1[CH2:36][C@@H:35]([O:37][CH2:38][CH2:39][CH3:40])[CH2:34][N:33]1C(OC(C)(C)C)=O)[C@@H:10]([NH:20][C:21](=[O:31])[C:22]1[CH:27]=[CH:26][CH:25]=[C:24]([C:28](=[O:30])[NH2:29])[CH:23]=1)[CH2:11][C:12]1[CH:17]=[C:16]([F:18])[CH:15]=[C:14]([F:19])[CH:13]=1)(C(C)(C)C)(C)C.[CH2:48](O[C@H]1CN(C(C2C=CC=CC=2)C2C=CC=CC=2)[C@@H]([C@@H](O)[C@@H](NC(=O)C2C=CC=C(C(N(CCC)CCC)=O)C=2)CC2C=C(F)C=C(F)C=2)C1)[CH:49]=[CH2:50].[CH2:100](N(CCC)C(C1C=C(C=CC=1)C(O)=O)=O)[CH2:101][CH3:102].CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(OC(N1C[C@H](OCCC)C[C@@H]1[C@@H](O[Si](C(C)(C)C)(C)C)[C@@H](NC(C1C=C(C=CC=1)C(O)=O)=O)CC1C=C(F)C=C(F)C=1)=O)(C)(C)C>ClCCl>[F:19][C:14]1[CH:13]=[C:12]([CH2:11][C@H:10]([NH:20][C:21](=[O:31])[C:22]2[CH:27]=[CH:26][CH:25]=[C:24]([C:28]([N:29]([CH2:100][CH2:101][CH3:102])[CH2:48][CH2:49][CH3:50])=[O:30])[CH:23]=2)[C@H:9]([OH:8])[C@H:32]2[CH2:36][C@@H:35]([O:37][CH2:38][CH2:39][CH3:40])[CH2:34][NH:33]2)[CH:17]=[C:16]([F:18])[CH:15]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 6

HCID 81531DiisopropylethylamineHCID 1827693-(Dipropylcarbamoyl)benzoic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 67315032(2R,4R)-tert-butyl 2-((1S,2S)-1-(tert-butyldimethylsilyloxy)-2-(3-(carbamoyl)benzamido)-3-(3,5-difluorophenyl)propyl)-4-propoxypyrrolidine-1-carboxylate
HCID 67316140
3-(((1S,2S)-1-((2R,4R)-1-(tert-butoxycarbonyl)-4-propoxypyrrolidin-2-yl)-1-(tert-butyldimethylsilyloxy)-3-(3,5-difluorophenyl)propan-2-yl)carbamoyl)benzoic acid
HCID 68497616N1-((1S,2S)-1-((2R,4R)-4-(allyloxy)-1-benzhydrylpyrrolidin-2-yl)-3-(3,5-difluorophenyl)-1-hydroxypropan-2-yl)-N3,N3-dipropylisophthalamide

Product 1

HCID 11848526N1-((1R,2S)-3-(3,5-difluorophenyl)-1-hydroxy-1-((2R,4R)-4-propoxypyrrolidin-2-yl)propan-2-yl)-N3,N3-dipropylisophthalamideYield 89%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

Step 4 (A): N1-((1S,2S)-1-((2R,4R)-4-(allyloxy)-1-benzhydrylpyrrolidin-2-yl)-3-(3,5-difluorophenyl)-1-hydroxypropan-2-yl)-N3,N3-dipropylisophthalamide. To a solution of 3-(dipropylcarbamoyl)benzoic acid (31 mg, 0.12 mmol) in dichloromethane (3 mL) were added Hunig's base (43 mg, 0.33 mmol) and HATU (54 mg, 0.143 mmol). After stirring for 20 min, the reaction mixture was added (1S,2S)-1-((2R,4R)-4-(allyloxy)-1-benzhydrylpyrrolidin-2-yl)-2-amino-3-(3,5-difluorophenyl)propan-1-ol (Preparation (C), 54 mg, 0.11 mmol) and the reaction mixture was stirred at rt overnight. The crude mixture was purified by silica gel Flash Chromatography (0% to 20% to 40% to 50% EtOAc/Hexane step gradient) to give 70 mg of the title compound (89% yield): 1H NMR (CDCl3, 500 MHz) δ 0.74 (3H, brd s), 1.00 (3H, brd s), 1.53 (2H, brd s), 1.73 (2H, brd s), 2.02-2.09 (1H, m), 2.17 (1H, d, J=10 Hz), 2.26 (1H, dd, J=5, 10 Hz), 2.68 (1H, d, J=10 Hz), 2.84 (1H, dd, J=5, 15 Hz), 2.96 (1H, dd, J=5, 15 Hz), 3.09 (1H, d, J=10 Hz), 3.16 (2H, brd s), 3.25 (1H, d, J=10 Hz), 3.49 (2H, brd s), 3.91-3.93 (2H, m), 3.96-4.11 (3H, m), 4.50 (1H, s), 4.91 (1H, d, J=10 Hz), 5.22 (1H, dd, J=5, 10 Hz), 5.31 (1H, m), 5.90-5.98 (1H, m), 6.64-6.69 (3H, m), 6.91-6.97 (3H, m), 7.15-7.20 (3H, m), 7.22-7.25 (2H, m), 7.34 (2H, d, J=5 Hz), 7.47-7.57 (4H, m). MS (ESI) (M+H)+ 710.37.

Workup

  1. stirringthe reaction mixture was stirred at rt overnight
  2. customThe crude mixture was purified by silica gel Flash Chromatography (0% to 20% to 40% to 50% EtOAc/Hexane step gradient)

Sources & evidence

ORD record
ord-91d147b0b3cd45348f10ca34be92ec1f
Source dataset
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07745470B2

Reaction notes

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