The present invention refers to a crystalline compound comprising a mixture of a compound of formula (I) (INN:Saxagliptin) and an organic C-4diacid of formula (II), wherein R represents H or OH and X and Y represent either both H or form a bond with each other, the resulting double bond being in Z-configuration, with the proviso that R represents H if X and Y represent a bond, or a hydrate thereof, wherein the molar ratio of the compound of formula (I) to the organic C4-di-acid of formula (II) is of from 1:0.8 to 1:1.2, as well as a process for obtaining the same.
本发明涉及一种晶体化合物,包括公式(I)(INN:Saxagliptin)化合物和公式(II)有机C-4二酸的混合物,其中R代表H或OH,X和Y代表H或彼此形成键,所得双键处于Z构型,但R代表H如果X和Y代表键,或其
水合物,其中公式(I)化合物与公式(II)有机C4-二酸的摩尔比为1:0.8至1:1.2,以及其制备方法。