Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1067655Generated: October 31, 2026

Toluene → 2,2-bisfluoromethyl-6-heptafluoropropyl-2H-1-benzopyran-4-carboxylic acid ethyl ester

https://huagongshe.com/reaction/1067655

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTolueneHCID 1140—
Reactantethyl 2,2-bisfluoromethyl-6-iodo-2H-1-benzopyran-4-carboxylateHCID 19037016—
ReactantPotassium heptafluorobutanoateHCID 23677867—
SolventDimethylformamideHCID 6228—
Product2,2-bisfluoromethyl-6-heptafluoropropyl-2H-1-benzopyran-4-carboxylic acid ethyl esterHCID 19037088—

Reaction Steps

The procedure of Preparation Example 1 (6) was repeated using 2,2-bisfluoromethyl-6-iodo-2H-1-benzopyran-4-carboxylic acid ethyl ester, potassium heptafluorobutyrate, cuprous iodide, toluene and N,N-dimethylformamide to give 2,2-bisfluoromethyl-6-heptafluoropropyl-2H-1-benzopyran-4-carboxylic acid ethyl ester as an oil;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06248777B1
Source datasetuspto-grants-2001_06
ORD IDord-f5cead61e7fc4b308fb9524b556e8f43
Source noteuspto-grants-2001_06