Zurück
HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 261457Erstellt: 27. Oktober 2026

Pyrrolidine → Cyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, methyl ester

https://huagongshe.com/reaction/261457

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktPyrrolidineHCID 31268—
EduktMethyl 2,2-dimethyl-3-(2,2,2-trichloroethyl)cyclopropane-1-carboxylateHCID 11557959—
LösungsmittelDimethylformamideHCID 6228—
ProduktCyclopropanecarboxylic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-, methyl esterHCID 94591—

Reaktionsschritte

A mixture of 2.6 g (0.01 mol) of methyl 2,2-dimethyl-3-(2,2,2-trichloroethyl)cyclopropane-1-carboxylate (compound Z, C/T=80/20), 1.0 ml of pyrrolidine, and 20 ml of dimethylformamide was heated at 100° for 20 hours to give, by glpc analysis, 68.5% cis and 24.0% trans (C/T=74/26) methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate, compound C.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS04166064
Quelldatensatzuspto-grants-1979_08
ORD IDord-f688e7d601fd4ee4b613954431cbd3c0
Quellennotizuspto-grants-1979_08