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    • 4. 发明授权
    • Pharmaceutical compositions containing compounds having action on
histamine receptors
    • 含有对组胺受体有作用的化合物的药物组合物
    • US4450168A
    • 1984-05-22
    • US513750
    • 1983-07-14
    • David E. BaysRoger Hayes
    • David E. BaysRoger Hayes
    • A61K31/41A61P43/00C07D249/14C07D405/12A61K31/44C07D403/12
    • C07D405/12C07D249/14
    • Compounds of general formula (I) ##STR1## and physiologically acceptable salts and hydrates thereof in which R.sub.1 and R.sub.2 each represent methyl groups or together with the nitrogen atom to which they are attached form a pyrrolidino, piperidino or hexamethylenimino group;R.sub.3 represents hydrogen or methyl;Alk represents a straight or branched alkylene chain of 1 to 6 carbon atoms;R.sub.4 represents a hydrogen atom and R.sub.5 represents a C.sub.1-4 alkyl group; or R.sub.4 and R.sub.5 together with the atoms to which they are attached form a tetrahydropyranyl ring; andeither n is zero, X is oxygen, m is 3 or 4, and Q is a benzene ring linked through the 1- and 3- positions;or n is 1, X is sulphur, m is 2, and Q is a furan ring linked through the 2- and 5- positions with optionally a methyl substituent on the carbon atom adjacent to the group R.sub.1 R.sub.2 NCH.sub.2, or Q is a thiophene ring linked through the 2- and 4- positions with the group R.sub.1 R.sub.2 NCH.sub.2 in the 2- position;with the proviso that when Q is other than a benzene ring, R.sub.1 and R.sub.2 are methyl groups, are disclosed as having action as histamine H.sub.2 -antagonists.
    • 通式(I)化合物(Ⅰ)及其生理上可接受的盐和水合物,其中R 1和R 2各自代表甲基或与它们所连接的氮原子一起形成吡咯烷子基,哌啶子基或六亚甲基亚氨基; R3表示氢或甲基; Alk表示1〜6个碳原子的直链或支链亚烷基链; R4表示氢原子,R5表示C1-4烷基; 或R 4和R 5与它们所连接的原子一起形成四氢吡喃基环; n为0,X为氧,m为3或4,Q为通过1-位和3-位连接的苯环; 或n为1,X为硫,m为2,Q为通过2-和5-位连接的呋喃环,与R1R2NCH2相邻的碳原子上任选具有甲基取代基,或Q为噻吩环连接 通过2-位和4-位,其中R1R2NCH2基团在2-位; 条件是当Q不是苯环时,R 1和R 2是甲基,被公开作为组胺H 2拮抗剂的作用。
    • 7. 发明授权
    • Heterocyclic derivatives
    • US4410523A
    • 1983-10-18
    • US199522
    • 1980-10-22
    • William D. OllisBarry J. PriceLinda CareyRoger HayesJohn W. ClitherowJohn BradshawJohn W. M. Mackinnon
    • William D. OllisBarry J. PriceLinda CareyRoger HayesJohn W. ClitherowJohn BradshawJohn W. M. Mackinnon
    • C07D249/14A61K31/395C07D249/10
    • C07D249/14Y10S514/927
    • The invention provides compounds of the general formula (I) ##STR1## and physiologically acceptable salts, hydrates and bioprecursors thereof, in whichR.sub.1 and R.sub.2, which may be the same or different, each represent hydrogen, C.sub.1-10 alkyl, cycloalkyl, alkenyl, aralkyl, trifluoroalkyl, heteroaralkyl, or alkyl substituted by hydroxy, alkoxy, amino, alkylamino, dialkyamino or cycloalkyl, or R.sub.1 and R.sub.2 may together with the nitrogen atom to which they are attached form a 5 to 10 membered ring which may be saturated or may contain at least one double bond, may be unsubstituted or may be substituted by one or more C.sub.1-3 alkyl groups, or a hydroxy group and/or may contain another heteroatom selected from oxygen and sulphur;Alk represents a straight or branched alkylene chain of 1 to 6 carbon atoms and is attached to the cyclohexadiene ring at either the 4- or 5- position;X represents --CH.sub.2 or --O--;m represents 2, 3, 4 or 5 and when X is --O-- the chain (CH.sub.2).sub.m may be interrupted by an oxygen atom provided that there are at least two methylene groups between any two heteroatoms in the moiety --X(CH.sub.2).sub.m NH--;R.sub.3 represents hydrogen, alkyl, alkenyl, aralkyl, or C.sub.2-6 alkyl substituted by hydroxy or alkoxy; andR.sub.4 represents hydrogen, alkyl, alkenyl, aralkyl, hydroxyalkyl, acyloxyalkyl, alkoxyalkyl, aryloxyalkyl, aralkyloxyalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, hydroxy or alkoxy or the group NR.sub.5 R.sub.6 whereR.sub.5 represents hydrogen, alkyl, alkyl substituted by hydroxy or C.sub.1-3 alkoxy, alkenyl, aralkyl or heteroaralkyl and R.sub.6 represents any of the groups defined for R.sub.5 or may represent the group COR.sub.7 where R.sub.7 represents hydrogen, alkyl, aryl, aralkyl, alkoxy, heteroaryl or monocyclic heteroaralkyl or R.sub.6 represents the group SO.sub.2 R.sub.8 where R.sub.8 represents alkyl or aryl, or R.sub.6 represents the group ##STR2## where Y is oxygen or sulphur and R.sub.9 represents hydrogen, alkyl, cycloalkyl, aryl or aralkyl,or R.sub.5 and R.sub.6 taken together may represent the group .dbd.CR.sub.10 R.sub.11 where R.sub.10 represents aryl or heteroaryl and R.sub.11 represents hydrogen or alkyl.The compounds show activity as selective histamine H.sub.2 -antagonists.