1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → (S)-N-(1-(3-(4-cyano-3,5-difluorophenyl)-1H-pyrazol-1-yl)propan-2-yl)-3-isopropyl-1,2,4-oxadiazole-5-carboxamide

HRID 872775Notes

Reaction equation

HRID 872775 reaction equation
[NH2:1][C@@H:2]([CH3:19])[CH2:3][N:4]1[CH:8]=[CH:7][C:6]([C:9]2[CH:16]=[C:15]([F:17])[C:12]([C:13]#[N:14])=[C:11]([F:18])[CH:10]=2)=[N:5]1.[CH:20]([C:23]1[N:27]=[C:26]([C:28](O)=[O:29])[O:25][N:24]=1)([CH3:22])[CH3:21].C1C=CC2N(O)N=NC=2C=1.CCN(C(C)C)C(C)C.CCN=C=NCCCN(C)C>CN(C=O)C>[C:13]([C:12]1[C:11]([F:18])=[CH:10][C:9]([C:6]2[CH:7]=[CH:8][N:4]([CH2:3][C@@H:2]([NH:1][C:28]([C:26]3[O:25][N:24]=[C:23]([CH:20]([CH3:22])[CH3:21])[N:27]=3)=[O:29])[CH3:19])[N:5]=2)=[CH:16][C:15]=1[F:17])#[N:14]

Participants

7

Reactant 5

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 232010263-Isopropyl-1,2,4-oxadiazole-5-carboxylic acidHCID 67173068(S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2,6-difluorobenzonitrile

Product 1

HCID 70655945(S)-N-(1-(3-(4-cyano-3,5-difluorophenyl)-1H-pyrazol-1-yl)propan-2-yl)-3-isopropyl-1,2,4-oxadiazole-5-carboxamideYield 2%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

The title compound was synthesized from (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2,6-difluorobenzonitrile (0.168 g, 0.64 mmol), 3-isopropyl-1,2,4-oxadiazole-5-carboxylic acid (0.1 g, 0.64 mmol), HOBt (0.13 g, 0.96 mmol), DIPEA (0.335 mL, 1.92 mmol) and EDCI (0.184 g, 0.96 mmol) using DMF as solvent using the method of Example 34(d). Yield of the title compound 5 mg. 1H NMR (400 MHz; MeOD): δ 1.27 (d, 3H), 1.36 (d, 6H), 3.16 (m, 1H), 4.39 (m, 2H), 4.58 (m, 1H), 6.80 (d, 1H), 7.62 (m, 2H), 7.72 (d, 1H).

Sources & evidence

ORD record
ord-dee8e902b49447f89b7d0c242dcc4ef9
Source dataset
uspto-grants-2015_03
Patent number
US08975254B2

Reaction notes

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