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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 262031Generated: November 3, 2026

Hydrogen Sulfide → 2-Pyrrolidino-4-amino-5-thiocarbamoylthiazole

https://huagongshe.com/reaction/262031

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen SulfideHCID 402—
ReactantDimethylformamideHCID 6228—
ReactantHCID 12526351HCID 12526351—
SolventTriethylamineHCID 8471—
Product2-Pyrrolidino-4-amino-5-thiocarbamoylthiazoleHCID 1252635453%

Reaction Steps

25 parts of 2-pyrrolidino-4-amino-5-cyanothiazole are reacted with 8 parts of hydrogen sulfide in 150 parts of dimethylformamide and 2 parts of triethylamine, by the method described in Example 1(a). 15.6 parts of 2-pyrrolidino-4-amino-5-thiocarbamoyl-thiazole (53% of theory) of melting point 264°-265° C. are obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04153607
Source datasetuspto-grants-1979_05
ORD IDord-c6df370ae3104f9796cc2fd91f1131c9
Source noteuspto-grants-1979_05