6-(4-Chlorophenyl)-2,3-dihydropyridazin-3-one → 6-(4-Chloro-phenyl)-2-(3-hydroxy-2,2-dimethyl-3,4-dihydro-2H-pyrano[3,2-c]pyridin-4-yl)-2H-pyridazin-3-one

HRID 1159634Notes

Reaction equation

HRID 1159634 reaction equation
[CH3:1][C:2]1([CH3:13])[O:11][C:10]2[C:5](=[CH:6][N:7]=[CH:8][CH:9]=2)[CH:4]2[O:12][CH:3]12.[Cl:14][C:15]1[CH:20]=[CH:19][C:18]([C:21]2[CH:22]=[CH:23][C:24](=[O:27])[NH:25][N:26]=2)=[CH:17][CH:16]=1>>[Cl:14][C:15]1[CH:20]=[CH:19][C:18]([C:21]2[CH:22]=[CH:23][C:24](=[O:27])[N:25]([CH:4]3[C:5]4[CH:6]=[N:7][CH:8]=[CH:9][C:10]=4[O:11][C:2]([CH3:13])([CH3:1])[CH:3]3[OH:12])[N:26]=2)=[CH:17][CH:16]=1

Participants

3

Reactant 2

HCID 6890856-(4-Chlorophenyl)-2,3-dihydropyridazin-3-oneHCID 108560303,4-dihydro-2,2-dimethyl-3,4-epoxy-2H-pyrano[3,2-c]pyridine

Product 1

HCID 667000046-(4-Chloro-phenyl)-2-(3-hydroxy-2,2-dimethyl-3,4-dihydro-2H-pyrano[3,2-c]pyridin-4-yl)-2H-pyridazin-3-one

Procedure

Following the procedure in Example 1, using (±)-2,2-dimethyl-1a,7b-dihydro-2H-1,3-dioxa-6-aza-cyclopropa[a]naphthalene and 6-(4-chloro-phenyl)-2H-pyridazin-3-one as starting materials, the title compound was prepared as a pale yellow solid.

Sources & evidence

ORD record
ord-190a83b53a9b457aad94c88aac2ee1c4
Source dataset
uspto-grants-2010_10
Patent number
US07812183B2

Reaction notes

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