Diisopropylethylamine → 1-[4-(Cyanomethyl)-1-(isopropylsulfonyl)piperidin-4-yl]-3-(phenylamino)-1H-pyrazole-4-carboxamide

HRID 521243Notes

Reaction equation

HRID 521243 reaction equation
FC(F)(F)C([O-])=O.[C:8]([C:11]1[C:12]([NH:25][C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)=[N:13][N:14]([C:16]2([CH2:22][C:23]#[N:24])[CH2:21][CH2:20][NH2+:19][CH2:18][CH2:17]2)[CH:15]=1)(=[O:10])[NH2:9].CCN(C(C)C)C(C)C.[CH:41]([S:44](Cl)(=[O:46])=[O:45])([CH3:43])[CH3:42]>CC#N.CN(C1C=CN=CC=1)C.CS(C)=O>[C:23]([CH2:22][C:16]1([N:14]2[CH:15]=[C:11]([C:8]([NH2:9])=[O:10])[C:12]([NH:25][C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=3)=[N:13]2)[CH2:21][CH2:20][N:19]([S:44]([CH:41]([CH3:43])[CH3:42])(=[O:46])=[O:45])[CH2:18][CH2:17]1)#[N:24]

Participants

7

Reactant 3

HCID 81531DiisopropylethylamineHCID 824082-Propanesulfonyl chlorideHCID 867293834-[4-Carbamoyl-3-(phenylamino)-1H-pyrazol-1-yl]-4-(cyanomethyl)piperidinium trifluoroacetate

Product 1

HCID 867294191-[4-(Cyanomethyl)-1-(isopropylsulfonyl)piperidin-4-yl]-3-(phenylamino)-1H-pyrazole-4-carboxamide

Reagents, catalysts & solvents 3

HCID 142844-(Dimethylamino)pyridineCatalystHCID 679Dimethyl SulfoxideSolventHCID 6342AcetonitrileSolvent

Procedure

To a suspension of 4-[4-carbamoyl-3-(phenylamino)-1H-pyrazol-1-yl]-4-(cyanomethyl)piperidinium trifluoroacetate (Intermediate #38-1) (30 mg, 0.068 mmol) in MeCN (0.50 mL) was added DIPEA (0.030 mL, 0.17 mmol) and DMAP (12 mg, 0.10 mmol). To this mixture was added isopropylsulfonyl chloride (0.008 mL, 0.1 mmol). The resulting mixture was allowed to stir at ambient temperature for 1 hour before it was diluted with DMSO (1.0 mL) and purified directly by reverse-phase preparative HPLC (using a gradient elution of 0-100% MeCN/water, with 0.1% v/v HCOOH modifier). Desired fractions were identified, combined and concentrated in vacuo to afford the title compound, Example #37-1. 1H NMR (600 MHz, DMSO-d6): δ 9.03 (s, 1H), 8.47 (s, 1H), 7.54 (br s, 1H), 7.48 (d, J=7.8 Hz, 2H), 7.21 (t, J=7.8 Hz, 2H), 7.15 (br s, 1H), 6.80 (t, J=7.8 Hz, 1H), 3.50-3.56 (m, 2H), 3.19 (s, 2H), 2.98-3.10 (m, 2H), 2.38-2.49 (m, 3H), 2.02-2.08 (m, 2H), 1.15 (d, J=6.6 Hz, 6H). LRMS (ESI) calc'd for C20H26N6O3S [M+H]+: 431. Found: 431.

Workup

  1. custompurified directly by reverse-phase preparative HPLC (
  2. washa gradient elution of 0-100% MeCN/water
  3. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-24bbbe85f08b4f1c91f3dfdcaa3465fc
Source dataset
uspto-grants-2016_05
Patent number
US09328099B2

Reaction notes

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