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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 867445Generated: October 29, 2026

2-Butynedioic acid → HCID 54527791, compound

https://huagongshe.com/reaction/867445

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Butynedioic acidHCID 371—
ReactantThiourea, N,N'-didodecyl-HCID 3034200—
ProductHCID 54527791HCID 5452779179.9%

Reaction Steps

Prepared by the method described in Example 16 from N,N'-didodecylthiourea (25.0 g, 61 mmoles) and acetylenedicarboxylic acid (7.3 g, 61 mmoles). Recrystallization from 2-propanol, then ethyl acetate gave the product (24.8 g), mp 71°-72° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04775677
Source datasetuspto-grants-1988_10
ORD IDord-54a3bfe4996e4e039bf6c15c281885ed
Source noteuspto-grants-1988_10