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Diisopropylethylamine → (S)-6-[3-(2,4-Dichlorobenzylamino)-pyrrolidin-1-yl]-nicotinonitrile

HRID 252103
Notes
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Reaction equation

HRID 252103 reaction equation
[Cl:1][C:2]1[CH:14]=[C:13]([Cl:15])[CH:12]=[CH:11][C:3]=1[CH2:4][NH:5][C@H:6]1[CH2:10][CH2:9][NH:8][CH2:7]1.Cl[C:17]1[CH:24]=[CH:23][C:20]([C:21]#[N:22])=[CH:19][N:18]=1.C(N(C(C)C)CC)(C)C>CN(C=O)C>[Cl:1][C:2]1[CH:14]=[C:13]([Cl:15])[CH:12]=[CH:11][C:3]=1[CH2:4][NH:5][C@H:6]1[CH2:10][CH2:9][N:8]([C:17]2[CH:24]=[CH:23][C:20]([C:21]#[N:22])=[CH:19][N:18]=2)[CH2:7]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 81531DiisopropylethylamineHCID 51520946-Chloro-3-pyridinecarbonitrileHCID 66569981(S)-N-(2,4-Dichlorobenzyl)pyrrolidin-3-amine

Product 1

HCID 66856298(S)-6-[3-(2,4-Dichlorobenzylamino)-pyrrolidin-1-yl]-nicotinonitrile

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

Stir a mixture of (S)-(2,4-dichlorobenzyl)-pyrrolidin-3-ylamine (200 mg, 0.82 mmol), 6-chloronicotinonitrile (75 mg, 0.54 mmol) and diisopropylethylamine (140 μl, 0.82 mmol) in DMF (5 mL) at room temperature overnight. Concentrate and chromatograph on silica gel to give the title compound. Form the hydrochloride by essentially the procedure in Example 1 to give 1H NMR (300 MHz, MeOH-d4) δ 8.44 (1H, d, J=1.51 Hz), 7.95 (1H, dd, J=9.23, 2.07 Hz), 7.56-7.68 (2H, m), 7.40 (1H, dd, J=8.38, 2.17 Hz), 6.97 (1H, d, J=9.42 Hz), 4.42 (2H, d, J=3.01 Hz), 4.16-4.25 (1H, m), 4.04-4.13 (1H, m), 3.82-3.96 (2H, m), 3.63-3.77 (1H, m), 2.56-2.69 (1H, m), 2.43 (1H, m), MS (ES): 347 [M+].

Workup

  1. concentrationConcentrate

Sources & evidence

ORD record
ord-1b448760925f46c09858a11292f2c7ee
Source dataset
uspto-grants-2011_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07868014B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes