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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 963806Generated: November 2, 2026

Acetic Anhydride → 1-(2-Fluoro-2-(methoxycarbonyl)ethenyl)-1-(3,4-methylenedioxyphenyl)cyclopropane

https://huagongshe.com/reaction/963806

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantMethyl 2,2-dichloro-2-fluoroacetateHCID 13612258—
Reactant5-Cyclopropyl-1,3-benzodioxoleHCID 16205050—
CatalystZincHCID 23994—
CatalystCuprous chlorideHCID 62652—
SolventTetrahydrofuranHCID 8028—
Product1-(2-Fluoro-2-(methoxycarbonyl)ethenyl)-1-(3,4-methylenedioxyphenyl)cyclopropaneHCID 5380902251%

Reaction Steps

The method of Example 1 was repeated using zinc powder (2.94 g), copper (I) chloride (0.45 g) molecular sieve 4A (3 g), tetrahydrofuran (54 ml), 1-formyl-1-(3,4-methylenedioxyphenylcyclopropane (3.09 g), acetic anhydride (1.5 ml) and methyl dichlorofluoroacetate (2.36 g) to yield the title compound (2.2 g, 51%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05763700
Source datasetuspto-grants-1998_06
ORD IDord-26e31d36616544a6a4f400ba8636a8e6
Source noteuspto-grants-1998_06