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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 927146Generated: October 26, 2026

3,4-Bis(benzyloxy)-6-((4-chlorophenyl)ethynyl)pyridazine → HCID 178518825, compound

https://huagongshe.com/reaction/927146

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-Bis(benzyloxy)-6-((4-chlorophenyl)ethynyl)pyridazineHCID 71269795—
Reactant3-Hydroxy-6-(2-Phenylethyl)pyridazin-4(1h)-OneHCID 178518808—
SolventTetrahydrofuranHCID 8028—
ProductHCID 178518825HCID 178518825—

Reaction Steps

Prepared by the same method as for 4-hydroxy-6-(2-phenylethyl)pyridazin-3(2H)-one (Example 1) from 3,4-bis(benzyloxy)-6-((4-chlorophenyl)ethynyl)pyridazine (Intermediate 34) except that the solvent used for the hydrogenation was tetrahydrofuran and the final compound was recrystallised from a mixture of ethyl acetate and heptane.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09290456B2
Source datasetuspto-grants-2016_03
ORD IDord-13a7b9e78ddc43eb8be9744829a94de2
Source noteuspto-grants-2016_03