Arylethenesulfonamide derivatives and drug composition containing the same

• Main Authors: RYUJI TSUZUKI, KATSUMI SUDOU, JUN-ICHI KAZAMI, AKIHIRO TANAKA, HIRONORI HARADA, SUSUMU WATANUKI
• Format: Patent
• Language: English
• Published: 25.03.1999
• Edition: 6
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS

Novel arylethenesulfonamide derivatives having a high affinity for drugs, especially endoserine receptors, and represented by general formula (I); pharmacologically acceptable salts thereof; and drugs comprising the same as the active ingredient, especially endoserine receptor antagonists, wherein Ar represents optionally substituted aryl or optionally substituted five- or six-membered heteroaryl; X represents oxygen, sulfur, or the group represented by -NH-; Y represents oxygen or sulfur; R1 represents hydrogen, lower alkyl optionally substituted with halogeno, cycloalkyl, optionally substituted aryl, or optionally substituted five- or six-membered heteroaryl; R2 represents lower alkyl, lower alkenyl, or lower alkynyl each optionally substituted with one to three groups selected among hydroxy, lower alkoxys, cycloakyls, halogens, carboxy, and lower alkoxycarbonyls; R3 represents phenyl optionally substituted with one to four groups selected among optionally halogenated lower alkyls, lower alkoxys, halogens, lower alkylthios, lower alkylsulfinyls, lower alkanesulfonyls, carboxy, lower alkoxycarbonyls, and carbamoyl; and R4 and R5 are the same or different and each represents hydrogen or lower alkyl.