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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1973513Generated: October 28, 2026

Potassium Carbonate → HCID 20336751, compound

https://huagongshe.com/reaction/1973513

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantBenzenesulfinic acid, sodium saltHCID 2723840—
Reactant(2-Bromoethylidene)cyclopentaneHCID 12772662—
CatalystSodium IodideHCID 5238—
SolventMethanolHCID 887—
ProductHCID 20336751HCID 2033675147.1%

Reaction Conditions

Temperature20 °C

Reaction Steps

22.3 gm of sodium phenyl sulfinate, 2.2 gm of potassium carbonate and 0.2 gm of sodium iodide were introduced into 50 cc of methanol. Then 23.6 gm of 1-bromo-2-cyclopentylidene-ethane were added at a temperature of about +10° C and under agitation and the reaction mixture was agitated for 2 hours at 20° C. Thereafter, the reaction mixture was poured into ice water and cooled to 0° C. The precipitate formed was isolated by vacuum filtering and dried under vacuum in the presence of potassium hydroxide to obtain 15 gm of (2-cyclopentylidene-ethyl)-phenyl sulfone having a melting point of 68° C. A sample of the product crystallized from isopropyl ether had a melting point of 68° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03997586
Source datasetuspto-grants-1976_12
ORD IDord-dd9c6c8f068e45e89f3af3ce476db394
Source noteuspto-grants-1976_12