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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 452588Generated: October 31, 2026

Carbon Disulfide → HCID 178527938, compound

https://huagongshe.com/reaction/452588

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbon DisulfideHCID 6348—
ReactantTriethylamineHCID 8471—
Reactant1,3-Benzothiazole-6-carbohydrazide trifluoroacetateHCID 68663855—
SolventEthanolHCID 702—
SolventTetrahydrofuran ethyl acetateHCID 21939870—
ProductHCID 178527938HCID 17852793883%

Reaction Steps

A suspension of benzothiazole-6-carbohydrazide trifluoroacetate (4.92 g, 16.0 mmol), carbon disulfide (2.41 mL, 40.0 mmol) and triethylamine (5.58 mL, 40.0 mmol) in ethanol (60 mL) was heated under reflux for 1.5 hr. After cooling, the reaction mixture was diluted with ethyl acetate/tetrahydrofuran, washed with 1M hydrochloric acid and water, and concentrated under reduced pressure. The residue was recrystallized from tetrahydrofuran to give the title compound (3.11 g, yield 83%) as pale-yellow crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08492378B2
Source datasetuspto-grants-2013_07
ORD IDord-ffb7885347f742fab940f6c28f325a49
Source noteuspto-grants-2013_07