Triethylamine → N-(Cyclobutylcarbonyl)glycine ethyl ester
Reaktionsgleichung
[CH:1]1([C:5](Cl)=[O:6])[CH2:4][CH2:3][CH2:2]1.[NH2:8][CH2:9][C:10]([O:12][CH2:13][CH3:14])=[O:11].C(N(CC)CC)C>ClCCl>[CH:1]1([C:5]([NH:8][CH2:9][C:10]([O:12][CH2:13][CH3:14])=[O:11])=[O:6])[CH2:4][CH2:3][CH2:2]1Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
Cyclobutane carbonyl chloride (5 ml, 43.8 mmol) was slowly added to a solution of ethyl glycinate (5.86 g, 42 mmol) in dichloromethane (100 ml) and triethylamine (14.6 ml, 105 mmol) at 0° C. The mixture was then stirred at ambient temperature for 14 hours. The reaction mixture was washed with 1.0 N hydrochloric acid and the organic phase separated, dried (magnesium sulphate) and evaporated in vacuo to yield a yellow solid. Recrystallisation from dichloromethane:petroleum ether, yielded ethyl N-(cyclobutylcarbonyl)glycinate as a white solid (7.78 g, 100% yield):