[EN] THE R-ISOMER OF BETA AMINO ACID COMPOUNDS AS INTEGRIN RECEPTOR ANTAGONISTS DERIVATIVES [FR] ISOMERE R DE COMPOSES D'ACIDES AMINES BETA EN TANT QUE DERIVES ANTAGONISTES DU RECEPTEUR DES INTEGRINES
[EN] THE R-ISOMER OF BETA AMINO ACID COMPOUNDS AS INTEGRIN RECEPTOR ANTAGONISTS DERIVATIVES [FR] ISOMERE R DE COMPOSES D'ACIDES AMINES BETA EN TANT QUE DERIVES ANTAGONISTES DU RECEPTEUR DES INTEGRINES
Pilot-Plant Preparation of an α<sub>v</sub>β<sub>3</sub> Integrin Antagonist. Part 2. Synthesis of <i>N</i>-[2-(5-Hydroxy-4,6-tetrahydropyrimidine)]-3-amino-5-hydroxybenzoic Acid
作者:Jerry D. Clark、Joe T. Collins、H. Peter Kleine、Gerald A. Weisenburger、D. Keith Anderson
DOI:10.1021/op049968w
日期:2004.7.1
Studies directed toward the process research and development of a scalable method for preparing tetrahydropyrimidine 2, a key intermediate to the (alpha(v)beta(3) integrin antagonist 1, are described. A linear approach employing 3-amino-5-hydroxybenzoic acid, methyl isothiocyanate, and 1,3-diaminopropan-2-ol as key reagents is detailed. The results of process development research, a successful pilot run, and a production campaign are explained.