Hydrazine hydrate (1:1) → 4-cyclopentyl-7-methoxy-2H-phthalazin-1-one

Reaction equation

[CH:1]1([C:6]([C:8]2[CH:16]=[CH:15][C:14]([O:17][CH3:18])=[CH:13][C:9]=2[C:10](O)=[O:11])=O)[CH2:5][CH2:4][CH2:3][CH2:2]1.O.[NH2:20][NH2:21]>>[CH:1]1([C:6]2[C:8]3[C:9](=[CH:13][C:14]([O:17][CH3:18])=[CH:15][CH:16]=3)[C:10](=[O:11])[NH:21][N:20]=2)[CH2:5][CH2:4][CH2:3][CH2:2]1

Participants

Reactant 2

HCID 24654Hydrazine hydrate (1:1)

HCID 692118112-Cyclopentanecarbonyl-5-methoxybenzoic acid

Product 1

HCID 692139674-cyclopentyl-7-methoxy-2H-phthalazin-1-one

Procedure

This compound is obtained according to the procedure described in 1.2. by reacting unpurified 2-cyclopentanecarbonyl-5-methoxybenzoic acid with hydrazine hydrate.

Workup

customThis compound is obtained

Sources & evidence

ORD record: ord-9c2d7c52fe0d49f3bc8f0d46a18bd774
Source dataset: uspto-grants-2008_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07423030B2

Reaction notes

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