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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1871395Generated: November 1, 2026

o-Chlorophenylhydrazine hydrochloride → (cis)-4-(3,4-Dimethoxyphenyl)-2-(4-Chlorophenyl)-4a,5,8,8a-tetrahydro-2H-phthalazin-1-one

https://huagongshe.com/reaction/1871395

Reaction equation

Participants

RoleNameHCIDCharge
Reactanto-Chlorophenylhydrazine hydrochlorideHCID 418422—
Reactant(cis)-4-(3,4-Dimethoxyphenyl)-2-(2-hydroxy-1-ethyl)-4a,5,6,7,8,8a-hexahydro-2H-phthalazin-1-oneHCID 86755609—
Product(cis)-4-(3,4-Dimethoxyphenyl)-2-(4-Chlorophenyl)-4a,5,8,8a-tetrahydro-2H-phthalazin-1-oneHCID 70004066—

Reaction Steps

Prepared from 2-chlorophenylhydrazine and compound C as described for compound 35. M.p. 140°-141° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06103718
Source datasetuspto-grants-2000_08
ORD IDord-73b575fafb9a4d3f913a2ba0ebb2d3b3
Source noteuspto-grants-2000_08