为了更好地了解此类系统的反应性,将15种衍生自β-氨基醇的酰胺基酯在弱碱性甲醇d 4中的酯基处溶剂化。所有试验均通过1 H NMR显示出伪一级动力学。速率常数比简单烷基酯的速率常数大约2至140倍。最小体积的N-酰基基团通常提供最大的速率常数,在两种情况下强烈如此,但是显然不是由于酰胺基团和酯基团之间的空间拥挤程度较小所致。对于那些在酰胺键上倾向于抗构象的酰胺基酯,速率常数也更大。
Novel Methods for Preparation of (+)-1-ethyl-4-[2-(4-morpholinyl)ethyl)-3,3-diphenyl-2-pyrrolidinone and Salts Thereof
申请人:Dax Scott L.
公开号:US20130109854A1
公开(公告)日:2013-05-02
The present invention includes a method of preparing a composition comprising (+)-doxapram or a salt thereof, wherein the composition is essentially free of (−)-doxapram or a salt thereof.
[EN] COMPOSITIONS AND METHODS FOR TREATING BREATHING CONTROL DISORDERS OR DISEASES<br/>[FR] COMPOSITIONS ET PROCÉDÉS POUR TRAITEMENT DES TROUBLES OU MALADIES DE LA RÉGULATION DE LA RESPIRATION
申请人:GALLEON PHARMACEUTICALS INC
公开号:WO2012166909A1
公开(公告)日:2012-12-06
The present invention includes a method of treating a breathing control disease or disorder in a subject in need thereof, comprising administering to the subject a therapeutically effective amount of a pharmaceutical composition comprising (+)-ketodoxapram or a solvate thereof and a pharmaceutically acceptable carrier, wherein the composition is essentially free of (— )-ketodoxapram or a solvate thereof.