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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 483307Generated: October 30, 2026

Sodium Dithionite → Bis(2-(methylcarbamoyl)cyclopenten-1-yl) disulfide

https://huagongshe.com/reaction/483307

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium DithioniteHCID 24489—
Reactant2-Methyl-4,5-trimethylene-4-isothiazolin-3-oneHCID 158190—
SolventWaterHCID 962—
ProductBis(2-(methylcarbamoyl)cyclopenten-1-yl) disulfideHCID 19023919—

Reaction Steps

2-methyl-4,5-trimethylene-4-isothiazolin-3-one (1 part) was stirred in distilled water (25 parts) at 20°-25° C. Sodium hydrosulphite (2×0.2 parts) was added in two portions over 30 minutes. Analysis by HPLC indicated the formation of two products.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05224980
Source datasetuspto-grants-1993_07
ORD IDord-e3c07c608697441186684897d941487f
Source noteuspto-grants-1993_07