Synthesis and antibacterial properties of amino acid derivatives of oxolinic acid
作者:T. S. Leonova、E. N. Nadeyskaya、V. G. Yashunskii
DOI:10.1007/bf00758634
日期:1987.6
Organosilicon synthesis of isocyanates: III. Synthesis of aliphatic, carbocyclic, aromatic, and alkylaromatic isocyanatocatboxylic acid esters
作者:A. V. Lebedev、A. B. Lebedeva、V. D. Sheludyakov、S. N. Ovcharuk、E. A. Kovaleva、O. L. Ustinova
DOI:10.1134/s1070363206070115
日期:2006.7
A series of aminoacid esters was prepared by treating the aminoacid suspensions in ethanol with thionyl chloride. Best conversion of aminoacid esters to corresponding isocyanates was achieved in the case of aromatic and carbocyclic aminoesters by phosgeneation of their N-silyl derivatives, and in the case of aliphatic and alkylaromatic aminoesters by phosgeneation of O-silyl or N,O-bissilylurethanes on their basis. In the last case additional step of esterification of the by-products isocyanatoalkylcarboxylic acid chlorides is reqired after phosgeneation. Unusual generation of cynnamates and intramolecular N -> O-migration of trimethylsilyl group in the solutions of silylated alkylaromatic beta-aminoacid esters were found.
Über die Reaktion N-silylierter primärer Amine mit Schwefel-Kohlenstoff
作者:Hans R. KRICHELDORF
DOI:10.1055/s-1970-21633
日期:——
Synthesis of N(N6)-exocyclic amino acid derivatives of 3-phenylisopropylsydnoneimine
作者:Z. A. Olovyanishnikova、O. M. Galkin、V. G. Yashunskii、Yu. A. Davidovich
DOI:10.1007/bf00469945
日期:1978.10
Birkofer; Ritter, Justus Liebigs Annalen der Chemie, 1958, vol. 612, p. 22,23,29