作者:Suryanarayan Cherukuvada、Geetha Bolla、Kanishka Sikligar、Ashwini Nangia
DOI:10.1021/cg301798s
日期:2013.4.3
4-Aminosalicylic acid (p-aminosalicylic acid, PAS), an antituberculosis drug, is a model active pharmaceutical ingredient to study salt and cocrystal formation in a multiple hydrogen-bonding functionality molecule with carboxylic acid, amine, and phenol groups. A cytosine salt CYT+–PAS–, salt cocrystal hydrate CYT+–PAS––CYT–H2O, and nicotinamide cocrystal hydrate PAS–NAM–H2O, are described in this
4-氨基水杨酸(对氨基水杨酸,PAS)是一种抗结核药物,是一种模型活性药物成分,用于研究具有羧酸,胺和酚基团的多个氢键官能分子中的盐和共晶形成。甲胞嘧啶盐CYT + -PAS - ,盐共结晶水合物CYT + -PAS - -CYT-H 2 O,和烟酰胺共晶体水合物PAS-NAM-H 2 O,在本文中描述。此外,还讨论了PAS二水合硫酸钠,硫酸盐和甲磺酸盐的X射线晶体结构以及粉末X射线衍射对钠盐的脱水/再水化行为。