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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1871392Generated: November 2, 2026

Phenylhydrazine → (cis)-4-(3-Cyclopentyloxy-4-methoxyphenyl)-2-phenyl-4a,5,8,8a-tetrahydro-2H-phthalazin-1-one

https://huagongshe.com/reaction/1871392

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylhydrazineHCID 7516—
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-Cyclopentyloxy-4-methoxyphenyl)-2-phenyl-4a,5,8,8a-tetrahydro-2H-phthalazin-1-oneHCID 70003277—

Reaction Steps

Prepared from compound E (see starting compounds) and phenylhydrazine as described for compound 35. Crystallization from methanol. M.p. 134°-135° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06103718
Source datasetuspto-grants-2000_08
ORD IDord-20e9a415904e452e9b2e5302a7c04afe
Source noteuspto-grants-2000_08