PROCESS FOR PREPARING CHIRAL ETHYL (5-AMINO-1,2-DIHYDRO-2-METHYL-3-PHENYLPYRIDO[3,4-b]PYRAZIN-7-YL)CARBAMATE
摘要
<p>The present invention describes a novel chemical synthesis of chiral ethyl (5-amino-1,2-dihydro-2-methyl-3-phenyl-pyrido[3,4-b]pyrazin-7-yl)carbamate and novel intermediates of formula (5a).</p>
