Dipeptidyl peptidase IV (DP 4) inhibiting compounds are provided having the formula
1
where n is 0 or 1; X is H or CN;
Y is N, NH or 0;
Z is CH
2
when Y is 0 or N—H, with Y—Z forming a single bond, and Z is CH when Y is N, with Y—Z forming a double bond;
and wherein R
1
, R
2
, R
3
and R
4
are as described herein.
A method is also provided for treating diabetes and related diseases, especially Type II diabetes, and other diseases as set out herein, employing such DP 4 inhibitor or a combination of such DP 4 inhibitor and one or more of another antidiabetic agent such as metformin, glyburide, troglitazone, pioglitazone, rosiglitazone and/or insulin and/or one or more of a hypolipidemic agent and/or anti-obesity agent and/or other therapeutic agent.
二肽基肽酶 IV(DP 4)
抑制剂化合物具有以下式子
1
其中 n 是 0 或 1;X 是 H 或 CN;
Y 是 N、NH 或 0
Z 是 CH
2
当 Y 为 0 或 N-H 时,Y-Z 形成单键,当 Y 为 N 时,Z 为 CH,Y-Z 形成双键;
其中 R
1
, R
2
, R
3
和 R
4
如本文所述。
还提供了一种用于治疗糖尿病和相关疾病,特别是 II 型糖尿病,以及本文所述的其他疾病的方法,该方法采用了这种 DP 4
抑制剂或这种 DP 4
抑制剂与另一种或多种抗糖尿病药物如
二甲双胍、甘
氟脲、
曲格列酮、
吡格列酮、
罗格列酮和/或
胰岛素和/或一种或多种降血脂药物和/或抗肥胖药物和/或其他治疗药物的组合。