| abstract |
The object of the invention is to provide an excellent compound as a drug. n The invention relates to a heterocyclic compound shown by the following formula: n A-B-D-E [1] n wherein n A is heteroaryl or its oxide; n B is ethenylene; n D is optionally substituted phenylene; and n E is a group of the formula: n n n wherein G is optionally substituted phenyl; n and R is heteroaryl or heteroarylmethyl, or a group of the formula: n n n wherein n is an integer of 1 to 5; R 5 and R 6 are same or different and are independently selected from the group consisting of hydrogen, C 1 -C 6 alkyl, hydroxyalkyl, aminoalkyl; or R 5 and R 6 taken together with the adjacent nitrogen atom may form 5- to 7-membered cyclic amino group for —NR 5 R 6 n or a salt thereof. |