5-(5-chloro-pyridin-2-ylmethoxy)-2H-pyridazin-3-one → 5-(5-Chloro-pyridin-2-ylmethoxy)-2-[2-(4-hydroxymethyl-2-methyl-phenyl)-2-oxo-ethyl]-2H-pyridazin-3-one

HRID 1425748Notes

Reaction equation

HRID 1425748 reaction equation
C(OC1C=CN([CH2:15][C:16]([C:18]2[CH:23]=[CH:22][C:21]([CH2:24][OH:25])=[CH:20][C:19]=2[CH3:26])=[O:17])C(=O)C=1)C1C=CC=CC=1.[Cl:28][C:29]1[CH:30]=[CH:31][C:32]([CH2:35][O:36][C:37]2[CH:42]=[N:41][NH:40][C:39](=[O:43])[CH:38]=2)=[N:33][CH:34]=1>>[Cl:28][C:29]1[CH:30]=[CH:31][C:32]([CH2:35][O:36][C:37]2[CH:42]=[N:41][N:40]([CH2:15][C:16]([C:18]3[CH:23]=[CH:22][C:21]([CH2:24][OH:25])=[CH:20][C:19]=3[CH3:26])=[O:17])[C:39](=[O:43])[CH:38]=2)=[N:33][CH:34]=1

Participants

3

Reactant 2

HCID 670071055-(5-chloro-pyridin-2-ylmethoxy)-2H-pyridazin-3-oneHCID 866955374-Benzyloxy-1-[2-(4-hydroxymethyl-2-methyl-phenyl)-2-oxo-ethyl]-1H-pyridin-2-one

Product 1

HCID 866955495-(5-Chloro-pyridin-2-ylmethoxy)-2-[2-(4-hydroxymethyl-2-methyl-phenyl)-2-oxo-ethyl]-2H-pyridazin-3-oneYield 91%

Procedure

5-(5-Chloro-pyridin-2-ylmethoxy)-2-[2-(4-hydroxymethyl-2-methyl-phenyl)-2-oxo-ethyl]-2H-pyridazin-3-one is prepared following preparation 1c employing 5-(5-chloro-pyridin-2-ylmethoxy)-2H-pyridazin-3-one (described in WO 09/103,478) instead of 4-benzyloxy-1H-pyridin-2-one.

Sources & evidence

ORD record
ord-e5f2b9a6b98b45c3b34981d4315268a0
Source dataset
uspto-grants-2015_01
Patent number
US08933079B2

Reaction notes

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