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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1639439Generated: October 29, 2026

3-Phenoxy-alpha-ethynylbenzylalcohol → (R)alpha-ethynyl-3-phenoxy-benzyl (1R,cis) 2,2-dimethyl-3-[(Z) 3-oxo-3-(2,2-difluoroethoxy)-1-propenyl]-cyclopropane-carboxylate

https://huagongshe.com/reaction/1639439

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Phenoxy-alpha-ethynylbenzylalcoholHCID 12919092—
Reactant2,2-dimethyl-3-[(Z) 3-oxo-3-(2,2-difluoroethoxy)-1-propenyl]-cyclopropane-carboxylic acidHCID 86743534—
SolventChloroformHCID 6212—
Product(R)alpha-ethynyl-3-phenoxy-benzyl (1R,cis) 2,2-dimethyl-3-[(Z) 3-oxo-3-(2,2-difluoroethoxy)-1-propenyl]-cyclopropane-carboxylateHCID 86740319—

Reaction Steps

Using the procedure of Step F of Example 9, (1R, cis) 2,2-dimethyl-3-[(Z) 3-oxo-3-(2,2-difluoroethoxy)-1-propenyl]-cyclopropane-carboxylic acid and α-ethynyl-3-phenoxy-benzyl alcohol were reacted to obtain (R)α-ethynyl-3-phenoxy-benzyl (1R,cis) 2,2-dimethyl-3-[(Z) 3-oxo-3-(2,2-difluoroethoxy)-1-propenyl]-cyclopropane-carboxylate with a specific rotation of [α]D20 =+47°±1.5° (c=1% in CHCl3).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04883806
Source datasetuspto-grants-1989_11
ORD IDord-0fb93fd56c7446afb3fe07a36fc6f301
Source noteuspto-grants-1989_11