公开(公告)号：US10384247B2

公开(公告)日：2019-08-20

申请号：US14847727

申请日：2015-09-08

申请人： INSTITUTO MEXICANO DEL PETRÓLEO

发明人： Rafael Martínez Palou ,  Ricardo Cerón Camacho ,  Alba Adriana Vallejo Cardona ,  Romeo Jesús Reyes Ávila ,  Juan de la Cruz Clavel Lopez ,  César Bernal Huicochea ,  Mario Ramiréz De Santiago ,  Jorge Arturo Aburto Anell

IPC分类号： C07C209/68 ,  B01D17/04 ,  B09C1/08 ,  C07D209/20 ,  C07C227/02

摘要： Embodiments of the present invention provide for efficient methods and processes for preparing ionic amino acid esters from a specific synthesis route. The disclosed embodiments consist of a single reaction step: reacting a natural or synthetic unprotected amino acid with an aliphatic, branched or aromatic fatty alcohol of even or odd number of carbon atoms from 6 to 20 with or without unsaturation(s), in stoichiometric amounts, in the presence of an organic acid (HX) like carboxylate, mesylate, tosylate or sulfonate, employed as catalyst and under conventional heating (CC) of 1 to 3 hours at a temperature in the range of approximately 60 to 150° C. and pressure the range of approximately 0 to approximately 250 psi; the product obtained is cooled and recrystallized from ethanol.