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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2073227Generated: October 31, 2026

Thiophosgene → Benzimidazole

https://huagongshe.com/reaction/2073227

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThiophosgeneHCID 10040—
ReactantHCID 2723987HCID 2723987—
ReactantPotassium ethylxanthateHCID 2735045—
ProductBenzimidazoleHCID 5798—

Reaction Steps

In the process (b) of the invention, a 2-aminophenylhydrazine derivative of the formula (IVb) is reacted with carbond disulfide, potassium ethyl xanthate or thiophosgene to give a benzimidazole derivative of the formula (Ie) according to the Reaction Scheme (C).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04916149
Source datasetuspto-grants-1990_04
ORD IDord-c898c14c1a824ff3a4d3195f830bebf0
Source noteuspto-grants-1990_04