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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1871372Generated: November 1, 2026

Bromocycloheptane → (cis)-4-(3,4-Dimethoxyphenyl)-2-cyclopentyl-4a,5,8,8a-tetrahydro-2H-phthalazin-1-one

https://huagongshe.com/reaction/1871372

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromocycloheptaneHCID 16992—
Reactantcis-4-(3,4-Dimethoxyphenyl)-4a,5,8,8a-tetrahydro-2H-phthalazin-1-oneHCID 10935039—
Reactant(cis)-4-(3,4-Dimethoxyphenyl)-2-methyl-4a,5,6,7,8,8a-hexahydro-2H-phthalazin-1-oneHCID 70003942—
Product(cis)-4-(3,4-Dimethoxyphenyl)-2-cyclopentyl-4a,5,8,8a-tetrahydro-2H-phthalazin-1-oneHCID 70002499—

Reaction Steps

Prepared from compound 3 and cycloheptylbromide as described for compound 8. Purified by chromatography (dichloromethane) and crystallized from diethyl ether. M.p. 131-133° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06103718
Source datasetuspto-grants-2000_08
ORD IDord-f879c32621f54060b1907535eb28024b
Source noteuspto-grants-2000_08