Metabolites of (4S)-and (4R) -4- (4-cyano-2-methoxyphenyl) -5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxamide Of the preparation and use thereof
The present invention relates to (4R) -4- (4-cyano-2-methoxyphenyl) -5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3 of the formula 4R (I) Carboxamide and (4S)-and (4R) -4- (4-cyano-2-methoxyphenyl) -5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6- of formula (I) Novel methods for preparing naphthyridine-3-carboxamide metabolites, formula M1a (S), M1b (R), M2a (S), M2b (R), M3a (S) and M3b (R) and their use .本発明は、式4R(I)の(4R)-4-(4-シアノ-2-メトキシフェニル)-5-エトキシ-2,8-ジメチル-1,4-ジヒドロ-1,6-ナフチリジン-3-カルボキサミドならびに式(I)の(4S)-および(4R)-4-(4-シアノ-2-メトキシフェニル)-5-エトキシ-2,8-ジメチル-1,4-ジヒドロ-1,6-ナフチリジン-3-カルボキサミドの代謝産物、式M1a(S)、M1b(R)、M2a(S)、M2b(R)、M3a(S)およびM3b(R)を調製する新規な方法ならびにそれらの使用に関する。