摘要:
Novel compounds exhibiting excellent calcium antagonism, particularly neuroselective calcium antagonism, namely, compounds of the general formula (I), salts of the same, or hydrates of both wherein Ar is a group derived from an optionally substituted 5- to 14-membered aromatic ring, or the like; the ring A is one member selected from among piperazine, homopiperazine, piperidine and so on; the ring B is an optionally substituted C3-14 hydrocarbon ring or the like; E is a single bond, -CO-, or the like; X is a single bond, oxygen, or the like; R1 is hydrogen, halogeno, hydroxyl, or the like; and D?1, D2, W1 and W2¿ are each independently a single bond or optionally substituted C¿1-6? alkylene.
摘要:
Novel compounds having an excellent Na+ channel inhibiting activity, which are compounds of the general formula (I), salts thereof, or hydrates of both, wherein A is a ring of the general formula (IA), (II) (wherein R1 is hydrogen or the like; and R2 is hydrogen or the like), or the like; W is optionally substituted C¿1-6? alkylene or the like; Z is an optionally substituted C6-14 aromatic carbocyclic group or the like; and l is an integer of 0 to 6.
摘要:
Phthalazine derivatives represented by general formula (I) or pharmacologically acceptable salts thereof or hydrates of the same usable as remedies for erectile dysfunction, wherein R1 and R2 are the same or different and each represents halogeno, optionally halogenated alkyl or alkoxy, or cyano; X represents cyano, nitro, halogeno, optionally substituted hydroxyimino or optionally substituted heteroaryl; and Y represents heteroaryl, aryl, alkynyl, alkenyl, alkyl or cyclic amine.