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1-Pyrrolidinepropanamine → 7-(3-{[(3-isopropylphenyl)amino]carbonyl}phenyl)-N-(3-pyrrolidin-1-ylpropyl)-5,6,7,8-tetrahydro-2,7-naphthyridine-4-carboxamide

HRID 1052090
Notes
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Reaction equation

HRID 1052090 reaction equation
[CH:1]([C:4]1[CH:5]=[C:6]([NH:10][C:11]([C:13]2[CH:14]=[C:15]([N:19]3[CH2:28][C:27]4[CH:26]=[N:25][CH:24]=[C:23]([C:29](O)=[O:30])[C:22]=4[CH2:21][CH2:20]3)[CH:16]=[CH:17][CH:18]=2)=[O:12])[CH:7]=[CH:8][CH:9]=1)([CH3:3])[CH3:2].C(N(CC)C(C)C)(C)C.CCCP(=O)=O.[NH2:47][CH2:48][CH2:49][CH2:50][N:51]1[CH2:55][CH2:54][CH2:53][CH2:52]1>CN(C1C=CN=CC=1)C.ClCCCl>[CH:1]([C:4]1[CH:5]=[C:6]([NH:10][C:11]([C:13]2[CH:14]=[C:15]([N:19]3[CH2:28][C:27]4[CH:26]=[N:25][CH:24]=[C:23]([C:29]([NH:47][CH2:48][CH2:49][CH2:50][N:51]5[CH2:55][CH2:54][CH2:53][CH2:52]5)=[O:30])[C:22]=4[CH2:21][CH2:20]3)[CH:16]=[CH:17][CH:18]=2)=[O:12])[CH:7]=[CH:8][CH:9]=1)([CH3:3])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 316701-PyrrolidinepropanamineHCID 81531DiisopropylethylamineHCID 16167369Propylphosphoric anhydrideHCID 717365027-(3-{[(3-Isopropylphenyl)amino]carbonyl}phenyl)-5,6,7,8-tetrahydro-2,7-naphthyridine-4-carboxylic acid

Product 1

HCID 717363477-(3-{[(3-isopropylphenyl)amino]carbonyl}phenyl)-N-(3-pyrrolidin-1-ylpropyl)-5,6,7,8-tetrahydro-2,7-naphthyridine-4-carboxamide
Yield 53.5%

Reagents, catalysts & solvents 2

HCID 142844-(Dimethylamino)pyridineCatalystHCID 111,2-DichloroethaneSolvent

Procedure

To a mixture of 7-(3-{[(3-isopropylphenyl)amino]carbonyl}phenyl)-5,6,7,8-tetrahydro-2,7-naphthyridine-4-carboxylic acid (40 mg, 0.096 mmol), N,N-diisopropylethylamine (0.050 mL, 0.29 mmol), and catalytic DMAP in 2.5 mL 1,2-dichloroethane at rt was added propylphosphonic anhydride solution (50 wt % in EtOAc, 0.069 mL, 0.116 mmol). After 6 min at rt, 1-(3-Aminopropyl)pyrrolidine (16.0 mg, 0.125 mmol) was added and the reaction stirred at rt for 4 hours. The reaction was quenched with aqueous NaHCO3 solution, extracted with EtOAc, the EtOAc layer washed with H2O, aqueous Na2CO3 solution, brine, dried with anhydrous Na2SO4 and rotary evaporated. The sample was triturated with EtOAc, and the filtrate chromatographed eluting with CHCl3/MeOH plus triethylamine to give the title compound as a light beige solid (27 mg, 53%). 1H NMR (CDCl3) δ: 8.50 (s, 1H), 8.36-8.44 (m, 2H), 8.10 (s, 1H), 7.58 (s, 1H), 7.46-7.54 (m, 2H), 7.32-7.39 (m, 1H), 7.22-7.31 (m, 2H), 7.10 (d, J=7.6 Hz, 1H), 7.02 (d, J=7.6 Hz, 1H), 4.46 (s, 2H), 3.53-3.61 (m, 4H), 3.22 (t, J=5.4 Hz, 2H), 2.77-2.97 (m, 7H), 1.82-1.99 (m, 6H), 1.27 (d, J=6.7 Hz, 6H)

Workup

  1. customThe reaction was quenched with aqueous NaHCO3 solution
  2. extractionextracted with EtOAc
  3. washthe EtOAc layer washed with H2O, aqueous Na2CO3 solution, brine
  4. dry with materialdried with anhydrous Na2SO4 and rotary evaporated
  5. customThe sample was triturated with EtOAc
  6. customthe filtrate chromatographed
  7. washeluting with CHCl3/MeOH plus triethylamine

Sources & evidence

ORD record
ord-38634b93a100487c8214cb9fe9c37318
Source dataset
uspto-grants-2016_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09388176B2

Reaction notes

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