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특허 상세정보

Pyrrolidinyl benzopyrans as hypotensive agents

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C07D-405/00    A61K-031/40    C07F-493/00   
미국특허분류(USC) 514/422 ; 548/525 ; 548/407
출원번호 US-0111770 (1987-10-21)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 59  인용 특허 : 8
초록

Compounds of formula (I): [Figure] (I) (relative stereochemistry shown) wherein: either one of R1 and R2 is hydrogen and the other is selected from the class of C1-6 alkylcarbonyl, C1-6 alkoxycarbonyl, C1-6 alkylcarbonyloxy, C1-6 alkylhydroxymethyl, nitro, cyano, chloro, trifluoromethyl, C1-6 alkylsulphinyl, C1-6 alkylsulphonyl, C1-6 alkoxysulphinyl, C1-6 alkoxysulphonyl, C1-6 alkylcarbonylamino, C1-6 alkoxycarbonylamino, C1-6 alkyl-thiocarbonyl, C1-6 alkoxy-thiocarbonyl, C1-6 alkyl-thiocarbonyloxy, 1-mercapto C2-7 alkyl, formyl, or aminosulphinyl, amino...

대표
청구항

A compound of formula (I): [Figure] (I) (relative stereochemistry shown) wherein: either one of R1 and R2 is hydrogen and the other is C1-6 alkylcarbonyl, C1-6 alkoxycarbonyl, nitro, cyano or trifluoromethyl, or one of R1 and R2 is nitro, cyano or C1-3 alkylcarbonyl and the other is amino unsubstituted or substituted by one or two C1-6 alkyl or by C2-7 alkanoyl; one of R3 and R4 is hydrogen or C1-4 alkyl and the other is C1-4 alkyl or R3 and R4 together are C2-5 polymethylene; either R5 is hydrogen, hydroxy, C1-6 alkoxy or C1-7 alkanoloxy and R6 is hydro...

이 특허를 인용한 특허 피인용횟수: 59

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