Compounds of a formula (I) and their pharmaceutically-acceptable salts are disclosed. The compounds have glucokinase-activating effect and are therefore useful for treatment of diabetes and obesity.
R
1
and R
2
each independently represent a lower alkyl group; X
1
represent a group of a formula (II-1):
wherein:
R
11
and R
12
each independently represent a hydrogen atom or a lower alkyl group, or taken together with the nitrogen atom to which they bond, R
11
and R
12
may form a 4- to 7-membered nitrogen-containing aliphatic ring (one carbon atom constituting the 4- to 7-membered nitrogen-containing aliphatic ring may be replaced by an oxygen atom), or taken together with a carbon atom in (CH
2
)
m
, R
11
and R
12
may form a 4- to 7-membered nitrogen-containing aliphatic ring; m indicates an integer of from 1 to 3.
公开了一种化合物(I)及其药用可接受的盐。这些化合物具有激活
葡萄糖激酶的作用,因此可用于治疗糖尿病和肥胖。R1和R2分别独立表示较低的烷基基团;X1表示一个公式(II-1)的基团:其中:R11和R12分别独立表示氢原子或较低的烷基基团,或者与它们结合的氮原子一起,R11和R12可以形成一个4-至7-成员的含氮脂肪环(构成4-至7-成员的含氮脂肪环的一个碳原子可以被氧原子替代),或者与(
CH2)m中的一个碳原子一起,R11和R12可以形成一个4-至7-成员的含氮脂肪环;m表示一个从1到3的整数。