| abstract |
(57) Abstract: A novel compound or a salt thereof enhances tachykinin receptor antagonism, in particular, substance P receptor antagonism. A compound represented by the following general formula or a salt thereof. Embedded image A heterocycle having -CS-N <; R a and R b are bonded together to form an A ring, or are the same or different and are a substituent on a hydrogen atom or an M ring; A homocyclic or heterocyclic ring which may have a group, at least one of which may have a substituent; C The ring is a homocyclic or heterocyclic ring which may have a substituent; the Z ring is an optionally substituted ring; and n is an integer of 1 to 6. ] |