摘要:
The subject compound is prepared by an activated manganese dioxide oxidation of N,15-didehydro-15-deoxo-3,15-epi(methano(imino)rifamycin SV. The new compound has antimicrobial utility.
摘要:
N,15-Didehydro-15-deoxo-3,15-epi(methano(alkylimino))rifamycins which can exist in either the quinone or hydroquinone form, are prepared from the corresponding Mannich base derivatives by an acid-catalyzed dehydration reaction.
摘要:
Compounds of the structure ##STR1## where Ar is optionally substituted carbocyclic aryl, 5- or 6-membered heterocyclic aryl, 10-membered bicyclic heterocyclic aryl containing one or two nitrogen atoms, 9- or 10-membered heterocyclic containing one or two nitrogen atoms and optionally containing a further nitrogen or oxygen atom and one oxo or thioxo substituent, benzo[b]furyl, or benzo[b]thienyl, A.sub.1 is propynyl, methylene, or a direct link to X, X is oxy, thio, sulfonyl, or NR.sub.4, A.sub.2 is selected from ##STR2## where Y is hydrogen, halogen, or nitrile; Z is hydrogen, R.sub.1 is alkyl, and R.sub.2 is hydrogen or alkyl are potent inhibitors of lipoxygenase enzymes and thus inhibit the biosynthesis of leukotrienes. These compounds are useful in the treatment or amelioration of allergic and inflammatory disease states.
摘要:
Compounds, compositions a method of inhibiting lipoxygenase and treating related disorders are disclosed. The compounds are of the formula:Ar-A(R.sub.2).sub.n -N(OM)-CZ-R.sub.1whereinAr is ##STR1## where X is O, S, SO.sub.2 or NR.sub.3 ;R.sub.3 is hydrogen, alkyl, alkylaryl, alkoyl, alkylakoyl, aroyl or alkylaroyl;Y is hydrogen, halogen, alkyl, alkenyl, cycloalkyl, aryl, arylalkyl, arylalkenyl, --OR, --SR, --COOR, --COR, --CON(R).sub.2, --OCOR, --N(R).sub.2, --O(CH).sub.2, --SO.sub.2 R, --SO.sub.2 N(R).sub.2, --O(CH.sub.2).sub.p OR, --CN, --NO.sub.2, --O(CH).sub.p O(CH.sub.2).sub.p OR or --CF.sub.3 ;R is hydrogen, hydroxyl, alkyl, alkylaryl or aryl;m is 0 to 5;p is 1 to 4;A is C.sub.1 -C.sub.12 alkylene or C.sub.2 -C.sub.14 alkenylene;R.sub.2 is --OR, --SR, --COOR, --COR, --CON(R).sub.2, --OCOR, --N(R).sub.2, --O(CH.sub.2).sub.y CON(R).sub.2, --O(CH.sub.2).sup.y OR, --CN, --NO.sub.2, 1-tetrazolo, C.sub.4 -C.sub.8 cyclic amido, imidazolo, --O(CH.sub.2).sub.y O(CH.sub.2).sub.y OR, --CF.sub.3, --N(R) COCHR--NH(R), CONHCH(R)CO.sub.2 R, --OCOCHR-NH(R), --CR(NHR)CONR, --CR(NHR)COR, morpholino, --NH(CH.sub.2).sub.y OH, --N[(CH.sub.2).sub.y OH].sub.2, --N.sub.3, --SO.sub.2 N(R).sub.2, --N(R)COR, --N(R)COOR, --N(R)CON(R).sub.2, --C(.dbd.NOH)NHOH or --C(.dbd.NOH)NH.sub.2 where R is as defined above, y is 1 to 4 and --N(R).sub.2 can form a heterocyclic ring of 5-8 atoms;M is hydrogen, a pharmaceutically acceptable cation or a metabolically cleavable group;Z is oxygen or sulfur; andR.sub.1 us hydrogen, alkyl, alkenyl, --NR.sub.4 R.sub.5, --NCOR.sub.6 or --Q--(R.sub.2).sub.2 where R.sub.4 and R.sub.5 independently selected from the group consisting of hydrogen, hydroxyl, alkyl, substituted alkyl with 1-3 substituents selected from the group consisting of R.sub.2 as defined above, acyl, aryl and CON(R).sub.2 is as defined above, R.sub.6 is hydrogen alkyl, alkylaryl, aryl or NR.sub.4 R.sub.5 where R.sub.4 and R.sub.5 are as defined above and where NR.sub.4 R.sub.5 can form a heterocyclic ring of a 5-8 atoms, Q is alkyl, alkenyl or aryl and z is 0 to 3; provided when n is O, R.sub.1 is not hydrogen, alkyl, alkenyl, or NR.sub.4 R.sub.5 wherein R.sub.4 and R.sub.5 are as defined above; and the pharmaceutically acceptable salts thereof.
摘要:
Compounds of the structure ##STR1## where M is hydrogen, a pharmaceutically acceptable cation or metabolically cleavable group, R is alkyl, cycloalkyl, or NR.sup.1 R.sup.2, where R.sup.1 and R.sup.2 are hydrogen, alkyl, cycloalkyl alkonyl, or carbocyclic aryl, Y is alkylene, alkenylene, or cyclopropyl, and A is optionally substituted cycloalkyl or cycloalkylene are potent inhibitors of lipoxygenase enzymes and thus inhibit the biosynthesis of leukotrienes. These compounds are useful in the treatment or amelioration of allergic and inflammatory disease states.
摘要翻译:结构的化合物,其中M是氢,药学上可接受的阳离子或代谢可裂解基团,R是烷基,环烷基或NR 1 R 2,其中R 1和R 2是氢,烷基,环烷基烷基或碳环芳基,Y是亚烷基, 亚烯基或环丙基,A是任选取代的环烷基或环亚烷基是脂氧合酶的有效抑制剂,因此抑制白三烯的生物合成。 这些化合物可用于治疗或改善过敏性和炎性疾病状态。
摘要:
Compounds of the structure ##STR1## where Ar is optionally substituted carbocyclic aryl, 5- or 6-membered heterocyclic aryl, 10-membered bicyclic heterocyclic aryl containing one or two nitrogen atoms, 9- or 10-membered heterocyclic containing one or two nitrogen atoms and optionally containing a further nitrogen or oxygen atom and one oxo or thioxo substituent, benzo[b]furyl, or benzo[b]thienyl, A.sub.1 is propynyl, methylene, or a direct link to X, X is oxy, thio, sulfonyl, or NR.sub.4, A.sub.2 is selected from ##STR2## where Y is hydrogen, halogen, or nitrile; Z is hydrogen, R.sub.1 is alkyl, and R.sub.2 is hydrogen or alkyl are potent inhibitors of lipoxygenase enzymes and thus inhibit the biosynthesis of leukotrienes. These compounds are useful in the treatment or amelioration of allergic and inflammatory disease states.
摘要:
Compounds of formula I are useful in treating diseases prevented by or ameliorated with potassium channel openers. Also disclosed are potassium channel opening compositions and a method of opening potassium channels in a mammal.
摘要:
Compounds having Formula I are useful for partially or fully antagonizing, repressing, agonizing, or modulating the glucocorticoid receptor and treating immune, autoimmune and inflammatory diseases in a mammal. Also disclosed are pharmaceutical compositions comprising compounds of Formula I and methods of inhibiting immune or autoimmune diseases in a mammal.
摘要:
Treatment of central nervous system depression in a mammal using method and compositions employing 1-aryl-1,2,3,4-tetrahydro-.beta.-carboline-3-carboxylic acids, esters and pharmaceutically-acceptable salts.
摘要:
Compounds having Formula I are useful for partially or fully antagonizing, repressing, agonizing, or modulating the glucocorticoid receptor and treating immune, autoimmune and inflammatory diseases in a mammal. Also disclosed are pharmaceutical compositions comprising compounds of Formula I and methods of inhibiting immune or autoimmune diseases in a mammal.