Phosgene → HCID 54006150, Verbindung

HRID 839953Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 839953
Cl.[C:2]1([CH:8]([O:15][C:16](=[O:19])[CH2:17][NH2:18])[C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.S(C1C=CC(C)=CC=1)(O)(=O)=O.NC[C:33](O)=[O:34].C1(C(C2C=CC=CC=2)=[N+]=[N-])C=CC=CC=1.C(Cl)(Cl)=O>O1CCOCC1.C1(C)C=CC=CC=1>[N:18]([CH2:17][C:16]([O:15][CH:8]([C:9]1[CH:10]=[CH:11][CH:12]=[CH:13][CH:14]=1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1)=[O:19])=[C:33]=[O:34]

Komponenten

7

Versuchsvorschrift

A suspension of 20 g. of glycine diphenylmethyl ester hydrochloride (prepared by reacting glycine tosylate and diphenyldiazomethane in dioxane followed by conversion to the hydrochloride salt) in 300 ml. of toluene is heated to boiling with stirring. At the boiling temperature, a strong stream of phosgene is passed through the suspension for three hours. The isocyanatoacetic acid, diphenylmethyl ester is then isolated by distillation; b.p.0.01 160°-170°.

Aufarbeitung

  1. additionA suspension of 20 g

Quellen und Nachweise

ORD-Eintrag
ord-8aa09da9d0644d93ad5c8e4973745176
Quelldatensatz
uspto-grants-1978_06
Patentnummer
US04097670

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