Pyrrolidine → (R)-(1-(4-fluorophenyl)-6-((6-(pyrrolidin-1-yl)pyridin-3-yl)sulfonyl)-4,4a,5,6,7,8-hexahydro-1H-pyrazolo[3,4-g]isoquinolin-4a-yl)(pyridin-2-yl)methanone

HRID 537274Notes

Reaction equation

HRID 537274 reaction equation
Cl[C:2]1[N:7]=[CH:6][C:5]([S:8]([N:11]2[CH2:20][CH2:19][C:18]3[C@:13]([C:31]([C:33]4[CH:38]=[CH:37][CH:36]=[CH:35][N:34]=4)=[O:32])([CH2:14][C:15]4[CH:23]=[N:22][N:21]([C:24]5[CH:29]=[CH:28][C:27]([F:30])=[CH:26][CH:25]=5)[C:16]=4[CH:17]=3)[CH2:12]2)(=[O:10])=[O:9])=[CH:4][CH:3]=1.[NH:39]1[CH2:43][CH2:42][CH2:41][CH2:40]1>C(#N)C>[F:30][C:27]1[CH:26]=[CH:25][C:24]([N:21]2[C:16]3[CH:17]=[C:18]4[C@:13]([C:31]([C:33]5[CH:38]=[CH:37][CH:36]=[CH:35][N:34]=5)=[O:32])([CH2:14][C:15]=3[CH:23]=[N:22]2)[CH2:12][N:11]([S:8]([C:5]2[CH:6]=[N:7][C:2]([N:39]3[CH2:43][CH2:42][CH2:41][CH2:40]3)=[CH:3][CH:4]=2)(=[O:10])=[O:9])[CH2:20][CH2:19]4)=[CH:29][CH:28]=1

Participants

4

Reactant 2

HCID 31268PyrrolidineHCID 73053203(R)-(6-((6-chloropyridin-3-yl)sulfonyl)-1-(4-fluorophenyl)-4,4a,5,6,7,8-hexahydro-1H-pyrazolo[3,4-g]isoquinolin-4a-yl)(pyridin-2-yl)methanone

Product 1

HCID 73053344(R)-(1-(4-fluorophenyl)-6-((6-(pyrrolidin-1-yl)pyridin-3-yl)sulfonyl)-4,4a,5,6,7,8-hexahydro-1H-pyrazolo[3,4-g]isoquinolin-4a-yl)(pyridin-2-yl)methanoneYield 27.3%

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

A solution of (R)-(6-((6-chloropyridin-3-yl)sulfonyl)-1-(4-fluorophenyl)-4,4a,5,6,7,8-hexahydro-1H-pyrazolo[3,4-g]isoquinolin-4a-yl)(pyridin-2-yl)methanone (100 mg, 0.182 mmol) and pyrrolidine (37.9 μl, 0.455 mmol) in acetonitrile (2 mL) was stirred in a sealed vial at 40° C. for 1 hour. The cooled reaction mixture was then purified directly by preparative HPLC (Waters, Acidic (0.1% Formic acid), Waters X-Select Prep-C18, 5 μm, 19×50 mm column, 5-95% acetonitrile in water) to afford (R)-(1-(4-fluorophenyl)-6-((6-(pyrrolidin-1-yl)pyridin-3-yl)sulfonyl)-4,4a,5,6,7,8-hexahydro-1H-pyrazolo[3,4-g]isoquinolin-4a-yl)(pyridin-2-yl)methanone as a white solid (29 mg). LCMS (Method F, ES-API): RT 2.48 min, m+H=585.3; 1H NMR (400 MHz, CDCl3): δ 8.63-8.61 (1H, m), 8.43 (1H, d, J=2.4 Hz), 7.89-7.87 (1H, m), 7.80 (1H, dt, J=7.6, 1.8 Hz), 7.58 (1H, dd, J=9.0, 2.4 Hz), 7.45-7.41 (3H, m), 7.28 (1H, s), 7.19-7.13 (2H, m), 6.47 (1H, d, J=2.1 Hz), 6.22 (1H, d, J=9.0 Hz), 5.46 (1H, dd, J=12.2, 2.1 Hz), 4.27 (1H, d, J=16.9 Hz), 3.83-3.79 (1H, m), 3.52-3.45 (4H, m), 2.90-2.76 (2H, m), 2.68 (1H, d, J=12.3 Hz), 2.51-2.45 (2H, m), 2.06-2.04 (4H, m).

Workup

  1. customThe cooled reaction mixture
  2. customwas then purified directly by preparative HPLC (Waters, Acidic (0.1% Formic acid), Waters X-Select Prep-C18, 5 μm, 19×50 mm column, 5-95% acetonitrile in water)

Sources & evidence

ORD record
ord-1eb5dcdb084142099590ebef407709f5
Source dataset
uspto-grants-2014_10
Patent number
US08859774B2

Reaction notes

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