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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 867434Generated: October 25, 2026

2-Butynedioic acid → HCID 54536980, compound

https://huagongshe.com/reaction/867434

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Butynedioic acidHCID 371—
Reactant1,3-(Dihexyl)thioureaHCID 2801208—
ProductHCID 54536980HCID 5453698031.6%

Reaction Steps

Prepared by the method described in Example 1 from N,N'-dihexylthiourea (114.2 g, 468 mmoles) and acetylenedicarboxylic acid (53.4 g, 468 mmoles). Recrystallization from acetonitrile gave the product (50.4 g) mp 66°-69° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04775677
Source datasetuspto-grants-1988_10
ORD IDord-f7c2542623974a7c8bc45e1aaa81ce51
Source noteuspto-grants-1988_10