Carbonic acid-guanidine (1:1) → HCID 178433375, Verbindung

HRID 989719Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 989719
[C:1]([CH2:3][CH2:4][CH:5]([C:11](=O)[CH3:12])[C:6](OCC)=[O:7])#[N:2].C(=O)(O)O.[NH2:18][C:19]([NH2:21])=[NH:20]>N1C=CC=CC=1>[NH2:21][C:19]1[N:20]=[C:6]([OH:7])[C:5]([CH2:4][CH2:3][C:1]#[N:2])=[C:11]([CH3:12])[N:18]=1

Komponenten

4

Versuchsvorschrift

A mixture of ethyl 2-(2-cyanoethyl)-3-oxobutanoate (9 g, 49 mmol), guanidine carbonate (5.30 g, 29.4 mmol) and pyridine (49 ml) was kept at 100° C. for 8 hours. The procedure according to pro-treatment of Reference-example 6 was carried out to give the object compound (3.38 g, 38.6%).

Quellen und Nachweise

ORD-Eintrag
ord-e4c5fef0109e4f689c2bb48abb33f746
Quelldatensatz
uspto-grants-2002_10
Patentnummer
US06458798B1

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