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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1639454Generated: November 3, 2026

p-Toluenesulfonic acid → (S)alpha-cyano-3-phenoxy-4-fluoro-benzyl(1R,cis,Z)2,2-dimethyl-3-[3-oxo-3-hydroxy-1-propenyl]-cyclopropane-carboxylate

https://huagongshe.com/reaction/1639454

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant(S)alpha-cyano-3-phenoxy-4-fluoro-benzyl(1R,cis,Z)2,2-dimethyl-3-[3-oxo-3-tert.-butoxy-1-propenyl]-cyclopropanecarboxylateHCID 13188405—
SolventTolueneHCID 1140—
Product(S)alpha-cyano-3-phenoxy-4-fluoro-benzyl(1R,cis,Z)2,2-dimethyl-3-[3-oxo-3-hydroxy-1-propenyl]-cyclopropane-carboxylateHCID 86740328106.6%

Reaction Steps

A mixture of 350 g of the product of Step A, 35 g of p-toluene sulfonic acid and 3.5 liters of toluene was refluxed for 45 minutes and was then cooled, washed with water, dried and evaporated to dryness under reduced pressure to obtain 328 g of (S)α-cyano-3-phenoxy-4-fluoro-benzyl (1R,cis,Z) 2,2-dimethyl-3-[3-oxo-3-hydroxy-1-propenyl]-cyclopropane-carboxylate.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04883806
Source datasetuspto-grants-1989_11
ORD IDord-923d8228f15d4196bc0ed080d197e6cc
Source noteuspto-grants-1989_11