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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 329867Generated: October 31, 2026

3-Chlorobenzaldehyde → HCID 19871211, compound

https://huagongshe.com/reaction/329867

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-ChlorobenzaldehydeHCID 11477—
Reactant2-Butenoic acid, 3-amino-, ethyl ester, (2Z)-HCID 643756—
ReactantButanoic acid, 3-oxo-, 2-[4-(diphenylmethyl)-1-piperazinyl]ethyl esterHCID 11740518—
SolventIsopropanolHCID 3776—
ProductHCID 19871211HCID 1987121143.3%

Reaction Steps

A mixture of m-chlorobenzaldehyde, 2-(4-benzhydryl-1-piperazinyl)ethyl acetoacetate and ethyl 3-aminocrotonate was worked up in isopropyl alcohol in the same manner as Example 1 to give 2-(4-benzhydryl-1-piperazinyl)ethyl ethyl 4-(3-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate as a light yellow powder, m.p. 72°-75° C. (sintering). Yield 43.3%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04892875
Source datasetuspto-grants-1990_01
ORD IDord-559e93dd396d417f970cc5bea0fbee40
Source noteuspto-grants-1990_01