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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 867438Generated: November 1, 2026

2-Butynedioic acid → HCID 54401087, compound

https://huagongshe.com/reaction/867438

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Butynedioic acidHCID 371—
Reactant1-(3,4-dichlorophenyl)-3-methylthioureaHCID 2808839—
ProductHCID 54401087HCID 5440108764.7%

Reaction Steps

Prepared by the method described in Example 1 from N-methyl-N'-(3,4-dichlorophenyl)thiourea (4.9 g, 21 mmoles) and acetylenedicarboxylic acid (2.6 g, 22 mmoles). Recrystallization from ethyl acetate gave the product (4.5 g), mp 225°-226° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04775677
Source datasetuspto-grants-1988_10
ORD IDord-6fe99a330e724cf9b9e2ab646af7dd15
Source noteuspto-grants-1988_10