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1-Propanesulfonyl chloride → tert-Butyl 7-{[(propylsulfonyl)amino]methyl}-1-[1-(pyridin-2-yl)cyclobutyl]-3,4-dihydroisoquinoline-2(1H)-carboxylate

HRID 1850890
Notes
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Reaction equation

HRID 1850890 reaction equation
[NH2:1][CH2:2][C:3]1[CH:12]=[C:11]2[C:6]([CH2:7][CH2:8][N:9]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH:10]2[C:13]2([C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][N:18]=3)[CH2:16][CH2:15][CH2:14]2)=[CH:5][CH:4]=1.[CH2:30]([S:33](Cl)(=[O:35])=[O:34])[CH2:31][CH3:32]>ClCCl.CN(C)C1C=CN=CC=1>[CH2:30]([S:33]([NH:1][CH2:2][C:3]1[CH:12]=[C:11]2[C:6]([CH2:7][CH2:8][N:9]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH:10]2[C:13]2([C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][N:18]=3)[CH2:14][CH2:15][CH2:16]2)=[CH:5][CH:4]=1)(=[O:35])=[O:34])[CH2:31][CH3:32]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 662791-Propanesulfonyl chlorideHCID 58246415tert-Butyl 7-(aminomethyl)-1-[1-(pyridin-2-yl)cyclobutyl]-3,4-dihydroisoquinoline-2(1H)-carboxylate

Product 1

HCID 86653008tert-Butyl 7-{[(propylsulfonyl)amino]methyl}-1-[1-(pyridin-2-yl)cyclobutyl]-3,4-dihydroisoquinoline-2(1H)-carboxylate

Reagents, catalysts & solvents 2

HCID 142844-(Dimethylamino)pyridineCatalyst
HCID 6344
Dichloromethane
Solvent
2×

Procedure

tert-Butyl 7-(aminomethyl)-1-[1-(pyridin-2-yl)cyclobutyl]-3,4-dihydroisoquinoline-2(1H)-carboxylate (33 mg, 0.084 mmol) was dissolved in dichloromethane. 4-Dimethylaminopyridine (30.7 mg, 0.252 mmol) was added. After stirring for 5 min propane-1-sulfonyl chloride (12 mg, 0.084 mmol) was added and stirring was continued over night. The reaction mixture was diluted with dichloromethane (30 ml) and washed with aqueous ammonium chloride solution. The organic layer was washed with water, dried (MgSO4) and concentrated in vacuo. The crude product was used for the next step without further purification. Yield: 37 mg.

Workup

  1. additionwas added
  2. waitwas continued over night
  3. washwashed with aqueous ammonium chloride solution
  4. washThe organic layer was washed with water
  5. dry with materialdried (MgSO4)
  6. concentrationconcentrated in vacuo
  7. customThe crude product was used for the next step without further purification

Sources & evidence

ORD record
ord-fd978330843445dbb0b0c1c21a1c5fdc
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08957089B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes