Очень нужна эта статья:
Synthesis, 544 (1989)
Esterification of Amino Acids as Their 2,2-Bis(ethoxy-carbonyl)vinyl Derivatives
Manuel Alaiz, Julio Girón, Francisco Javier Hidalgo, María Pilar de la Maza, Francisco Millán, Rosario Zamora, Eduardo Vioque
Заранее благодарю!
- DOI:
http://dx.doi.org/10.1055/s-1989-27312