Compounds according to general formula (1), wherein R
1
is H or CN, X
1
is S, O, SO
2
or CH
2
, X
2
is O, S or CH
2
, X
3
is NR
5
or a carbonyl or thiocarbonyl group and R
4
is R
6
R
7
N, R
8
(CH
2
)
q
OC(═O), R
8
(CH
2
)
q
OC(═S), R
6
R
7
NC(═O), R
6
R
7
NC(═S); R
8
(CH
2
)
q
C(═O), R
8
(CH
2
)
q
C(═S) or R
8
(CH
2
)
q
SO
2
, m is 1-3 and n is 0-4 are new. The compounds of the invention are inhibitors of dipeptidyl peptidase IV. Pharmaceutical compositions of the compounds of the invention, or pharmaceutically acceptable salts thereof, are useful in the treatment of,inter alia, type 2 diabetes.
根据通用公式(1),化合物中R1为H或CN,X1为S、O、SO2或
CH2,X2为O、S或 ,X3为NR5或羰基或
硫代羰基基团,R4为R6R7N、R8( )qOC(═O)、R8( )qOC(═S)、R6R7NC(═O)、R6R7NC(═S);R8( )qC(═O)、R8( )qC(═S)或R8( )qSO2,m为1-3,n为0-4的新化合物。该发明的化合物是
二肽基肽酶IV的
抑制剂。该发明的化合物的药用组合物或其药用盐在治疗2型糖尿病等疾病中有用。