摘要 |
<p>Compounds which are 1-(2'-aminoacyl)-2-cyanopyrrolidine derivatives according to general formula (1) are DP-IV inhibitors for treatment of impaired glucose tolerance or type 2 diabetes; wherein A is selected from groups (2, 3 and 4); X is selected from aminoacyl groups corresponding to the natural amino acids, acyl groups R<SUP>3</SUP>CO, groups R<SUP>4</SUP>COOC(R<SUP>5</SUP>)(R<SUP>6</SUP>)OCO, methoxycarbonyl, ethoxycarbonyl and benzyloxycarbonyl; R<SUP>1 </SUP>is selected from H, C<SUB>1</SUB>-C<SUB>6</SUB>alkyl residues, (CH<SUB>2</SUB>)<SUB>a</SUB>NHW<SUP>1</SUP>, (CH<SUB>2</SUB>)<SUB>b</SUB>COW<SUP>2</SUP>, (CH<SUB>2</SUB>)<SUB>c</SUB>OW<SUP>3</SUP>, CH(Me)OW<SUP>4</SUP>, (CH<SUB>2</SUB>)<SUB>d</SUB>-C<SUB>6</SUB>H<SUB>4</SUB>-W<SUP>5 </SUP>and (CH<SUB>2</SUB>)<SUB>e</SUB>SW<SUP>6</SUP>, where a is 2-5, b is 1-4, c is 1-2, d is 1-2, e is 1-3, W<SUP>1 </SUP>is COW<SUP>6</SUP>, CO<SUB>2</SUB>W<SUP>6 </SUP>or SO<SUB>2</SUB>W<SUP>6</SUP>, W<SUP>2 </SUP>is OH, NH<SUB>2</SUB>, OW<SUP>6 </SUP>or NHW<SUP>6</SUP>, W<SUP>3 </SUP>is H or W<SUP>6</SUP>, W<SUP>4 </SUP>is H or W<SUP>6</SUP>, W<SUP>5 </SUP>is H, OH or OMe, and W<SUP>6 </SUP>is C<SUB>1</SUB>-C<SUB>6 </SUB>alkyl, optionally substituted phenyl, optionally substituted heteroaryl or benzyl and R<SUP>2 </SUP>is selected from H and (CH<SUB>2</SUB>)<SUB>n</SUB>-C<SUB>5</SUB>H<SUB>3</SUB>N-Y, where n is 2-4 and Y is H, F, Cl, NO<SUB>2 </SUB>or CN, or R<SUP>1 </SUP>and R<SUP>2 </SUP>together are -(CH<SUB>2</SUB>)<SUB>p</SUB>- where p is 3 or 4; R<SUP>3 </SUP>is selected from H, C<SUB>1</SUB>-C<SUB>6 </SUB>alkyl and phenyl; R<SUP>4 </SUP>is selected from H, C<SUB>1</SUB>-C<SUB>6 </SUB>alkyl, benzyl and optionally substitued phenyl; R<SUP>5 </SUP>and R<SUP>6 </SUP>are each independently selected from H and C<SUB>1</SUB>-C<SUB>6 </SUB>alkyl or together are -(CH<SUB>2</SUB>)<SUB>m</SUB>-, where m is 4-6; R<SUP>7 </SUP>is selected from pyridyl and optionally substituted phenyl; R<SUP>8 </SUP>is selected from H and C<SUB>1</SUB>-C<SUB>3 </SUB>alkyl; and R<SUP>9 </SUP>is selected from H, C<SUB>1</SUB>-C<SUB>6 </SUB>alkyl, C<SUB>1</SUB>-C<SUB>6 </SUB>alkoxy and phenyl.</p> |