Abstract:
A compound of the formula ##STR1## wherein R.sup.1 and R.sup.4 are independently amino or an organic residue bonded through nitrogen, R.sup.2 is hydrogen or alkyl which may be substituted, R.sup.3 is hydrogen or a protecting group and R5 is hydroxyl which may be substituted or amino which may be substituted or salts thereof; with the proviso that when R.sup.1 is amino, leucylamino, acetylamino or benzyloxycarbonylamino, R.sup.3 is hydrogen, methyl or 2-tettrahydropyranyl, R.sup.4 is amino, acetylamino or benzyloxycarbonylamino and R.sup.5 is hydroxyl which may be substituted or amino which may be substituted, R.sup.2 is alkyl which may be substituted, has antibacterial activities against drug-resistant bacteria and therefore can be useful as a chemotherapeutic drug for bacterial infections in mammals.
Abstract:
Compounds of formula (I) ##STR1## and acid addition salts thereof, whereinR.sup.1 is hydrogen, hydroxy, alkoxy, aryloxy, aralkoxy, heteroaryloxy or heteroaralkoxy;andone of R.sup.2, R.sup.3 and R.sup.4 is hydrogen and the others are the same or different and each is hydrogen, alkyl, aryl, aralkyl, heteroaryl or heteroaralkyl;orR.sup.2 is hydrogen and ##STR2## is mono- or bi-cyclic amino, inhibit enterotoxin-induced secretion into the small intestine and are, therefore, useful in treating enterotoxin induced diarrhoea in humans and scours in animals.
Abstract translation:式(I)化合物其中R 1是氢,羟基,烷氧基,芳氧基,芳烷氧基,杂芳氧基或杂芳烷氧基; R 2,R 3和R 4中的一个是氢,其余的是相同或不同的,各自是氢,烷基,芳基,芳烷基,杂芳基或杂芳烷基; 或R2是氢,并且“IMAGE”是单环或双环氨基,抑制肠毒素诱导的分泌到小肠中,因此可用于治疗人类肠毒素诱导的腹泻和动物中的冲洗。
Abstract:
The compound N-(2,6-dichlorophenyl)acetamidine ##STR1## and its addition salts with pharmaceutically compatible inorganic and organic acids, exhibit a fast, strong vasodilator and antihypertensive action, which is of prolonged duration.
Abstract:
The present invention is dealing with compounds of the formula: ##STR1## and pharmaceutically acceptable salts thereof, in which n and m represent the number 1 or 2, X and Y hydrogen, alkyl (1-4 C), alkoxy (1-4 C), hydroxy, halogen, hydroxymethyl, trifluoromethyl, acyl (1-4 C), acyloxy (1-4 C) or the group NR.sub.x R.sub.y, in which R.sub.x and R.sub.y represent hydrogen, alkyl (1-4 C) or a sulphonyl group and R represents the group ##STR2## in which R.sub.1 and R.sub.2 represent hydrogen, alkyl (1-4 C), hydroxy, alkoxy (1-4 C), phenylalkoxy (7-10 C), acyloxy, amino or mono or dialkyl (1-4 C) amino, having potent platelet aggregation inhibiting properties.
Abstract:
New 3-N-acyl derivatives of 3-amino-2-hydroxy-4-phenylbutanoic acid are provided, which exhibit analgesic activity and are affective to enhance the morphine analgesia.
Abstract:
Perfluoroether triazine elastomers having improved properties and utility in seals, gaskets, sealing components and the like are prepared from oligomeric imidoylamidines that have, in turn, been prepared by the process of (a) reacting a perfluorodinitrile with liquid ammonia to yield a perfluorodiamidine, (b) isolating the perfluorodiamidine, (c) reacting the isolated diamidine with a perfluorodinitrile to yield a perfluoro(imidoylamidine) dinitrile, and then repeating steps (a), (b), and (c) to sequentially grow an oligomer of desired molecular size. The isolated amidine and nitrile intermediates are also disclosed.
Abstract:
This disclosure describes novel N'-[2,6-dichloro-4-(substituted-benzylamino)phenyl]-N,N-dimethyl-formamidines which possess activity as hypotensive agents and as diuretics.
Abstract:
A radioimmunoassay procedure has been discovered for bupropion [(.+-.)-2-t-butylamino-3-chloropropiophenone], an antidepressant compound, in biological fluids. Novel compounds of formula ##STR1## wherein either R.sub.2 is oxygen and R.sub.1 is (CH.sub.2).sub.n -O-(CO).sub.m -(CH.sub.2).sub.p -COOH where n is an integer from 0 to 5, m is 0 or 1, and p is an integer from 1 to 4; or R.sub.1 is hydrogen and R.sub.2 is N-O-(CH.sub.2).sub.q -COOH where q is an integer from 1 to 3, and novel methods of making them and novel intermediates useful therein are disclosed. Novel immunogens for raising bupropion specific antisera, and novel methods of making them are disclosed comprising conjugates of the novel compounds and suitable carrier material. The drug is added to the antisera together with novel radiolabeled competitor of formula ##STR2## wherein R' is a suitable radioisotope as described above and R.sub.3 is hydrogen, R.sub.4 is Cl, and R.sub.5 is oxygen, or R' is hydrogen and either(a) R.sub.3 is H and R.sub.4 is Cl and R.sub.5 is NO(CH.sub.2).sub.q CO-X where q is as defined for formula I and X is a group having formula III ##STR3## wherein R.sub.6 is a suitable radioisotope as described above, R.sub.7 is hydroxyl, and s is an integer from 1 to 4;(b) R.sub.4 is Cl, R.sub.5 is oxygen, and R.sub.3 is (CH.sub.2).sub.n -O-(CO).sub.m -(CH.sub.2).sub.p -CO-X where n, m, and p are as defined for formula I and X is as defined above; or(c) R.sub.3 is hydroxy, R.sub.5 is oxygen and R.sub.4 is a suitable radioisotope as defined above.The measure of radioactivity of the antisera bound radiolabeled competitor provides a measure of the amount of drug in the assayed biological fluid sample. A standard curve can be constructed from which the amount of drug in the assay sample can be interpolated. A kit is disclosed for practicing the radioimmunoassay.
Abstract:
Amidines are one of the strongest organic bases and find application where this property is needed, such as in phase transfer catalysis in the form of their substituted derivatives. Their use, however, has been hampered by their expensive nature due to only mediocre yields in their preparation. The present invention provides a process for the preparation of substituted amidines in essentially quantitative yields.
Abstract:
Anthraquinone derivatives of the formula ##STR1## or of the tautomeric formula ##STR2## in which A denotes an anthraquinone radical which is free from sulphonic acid groups and is optionally further substituted and which preferably consists of at most 5 fused rings,m denotes an integer, preferably 1 or 2, andR.sub.1 denotes a hydroxyl group or a radical of the formula ##STR3## wherein R.sub.2 represents a substituent andn represents 0, 1, 2, 3 or 4,processes for their preparation, their use for pigmenting organic macromolecular substances and the material pigmented in this manner.