(E)-3-(3-(Dimethylamino)acryloyl)-1-phenylpyridazin-4(1H)-one → 3-[2-(2-Methyl-pyridin-4-yl)-2H-pyrazol-3-yl]-1-phenyl-1H-pyridazin-4-one

HRID 1924503Notes

Reaction equation

HRID 1924503 reaction equation
C[N:2](C)/[CH:3]=[CH:4]/[C:5]([C:7]1[C:12](=[O:13])[CH:11]=[CH:10][N:9]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[N:8]=1)=O.[NH:21]([C:23]1[CH:28]=[CH:27][N:26]=[C:25]([CH3:29])[CH:24]=1)N>>[CH3:29][C:25]1[CH:24]=[C:23]([N:21]2[C:5]([C:7]3[C:12](=[O:13])[CH:11]=[CH:10][N:9]([C:14]4[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=4)[N:8]=3)=[CH:4][CH:3]=[N:2]2)[CH:28]=[CH:27][N:26]=1

Participants

3

Reactant 2

HCID 12742246(E)-3-(3-(Dimethylamino)acryloyl)-1-phenylpyridazin-4(1H)-oneHCID 200736634-Hydrazino-2-methylpyridine

Product 1

HCID 462195763-[2-(2-Methyl-pyridin-4-yl)-2H-pyrazol-3-yl]-1-phenyl-1H-pyridazin-4-oneYield 37%

Procedure

The product was obtained starting from 3-((E)-3-Dimethylamino-acryloyl)-1-phenyl-1H-pyridazin-4-one (A-1) and 4-hydrazino-2-methylpyridine according to the method described for Example 1 in 37% yield. MS: M=330.1 (M+H)+

Workup

  1. customThe product was obtained

Sources & evidence

ORD record
ord-ebb898057300449dab9b47e5152a4d93
Source dataset
uspto-grants-2012_05
Patent number
US08178538B2

Reaction notes

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