Carbamic acid, N-methyl-, ethyl ester → Propoxur

HRID 974096

Reaktionsgleichung

Reaktionsgleichung von HRID 974096
[CH:1]([O:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][C:6]=1[OH:11])([CH3:3])[CH3:2].[CH3:12][NH:13][C:14](=O)[O:15]CC.P(Cl)(Cl)(Cl)=O>ClC(Cl)C>[CH3:12][NH:13][C:14](=[O:15])[O:11][C:6]1[CH:7]=[CH:8][CH:9]=[CH:10][C:5]=1[O:4][CH:1]([CH3:3])[CH3:2]

Komponenten

5

Edukt 3

HCID 7752Carbamic acid, N-methyl-, ethyl esterHCID 209492-IsopropoxyphenolHCID 24813Phosphorus oxychloride

Produkt 1

HCID 4944Propoxur

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 63651,1-DichloroethaneLösungsmittel

Versuchsvorschrift

To a solution of 2-isopropoxyphenol (1.52 g, 0.01 mole) and ethyl N-methylcarbamate (1.03 g, 0.01 mole) in dichloroethane (10 ml, was added phosphoryl chloride (1.54 g, 0.01 mole) and refluxed for six hours. The reaction mixture was worked up as described earlier to give 2-isopropoxyphenyl N-methylcarbamate of the formula (VI) as a solid, crystallised from pet. ether, m.p. 89° C. to 90° C.

Aufarbeitung

  1. temperaturerefluxed for six hours

Quellen und Nachweise

ORD-Eintrag
ord-d545c77d6ccc48bb9f5fd6d10567cbc7
Quelldatensatz
uspto-grants-1991_11
Patentnummer
US05066819

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