摘要:
The present invention relates to the new 15-membered ketoazalides from the class of 6-O-methyl-8a-aza-8a-homo-and 6-O-methyl-9a-aza-9a-homoerythromycin A with the general formula (I) ##STR1## wherein A represents NH group and B at the same time represents C.dbd.O group, orA represents C.dbd.O group and B at the same time represents NH group,R.sup.1 represents OH group, L-cladinosyl group of the formula (II) ##STR2## or together with R.sup.2 represents ketone, R.sup.2 represents hydrogen or together with R.sup.1 represents ketone,R.sup.3 represents hydrogen or C.sub.1 -C.sub.4 alkanoyl group,to intermediates and a process for their preparation, to their pharmaceutically acceptable addition salts with inorganic or organic acids, to the process for the preparation of pharmaceutical compositions, as well as to the use of pharmaceutical compositions for treating bacterial infections.
摘要:
The invention relates to the process for the preparation of new derivatives of amino-ascorbic acid, their acid and alkali salts, processes for preparation and action.According to this invention derivatives of amino-ascorbic acid are prepared by three types of reactions: 1. reductive alkylation of amino-ascorbic acid; 2. alkylation of primary and secondary amines with halogen-ascorbic acid and 3. acylation of amino-ascorbic acid.
摘要:
Novel 1-(2-,3- or 4-hydroxylaminobenzensulfonyl-1a,2,6,6 a-tetrahydro-1H,4H-[1,3]-dioxepino[5,6-b]azirines with hypoglycemic activity are prepared by selective reduction of appropriate 1-(2-,3- or 4-nitrobenzenesulfonyl) derivatives.
摘要:
The present invention relates to novel hydroxy and polyhydroxy derivatives of coumarin fused with dialdehydes and aldehyde acids of the general formulae I, II, III and IV: ##STR1## wherein R.sup.1 =R.sup.2 =4-hydroxycoumarin;R.sup.1 =R.sup.2 =4,7-dihydroxycoumarin;R.sup.1 =R.sup.2 =4,5,7-trihydroxycoumarin;R.sup.1 =4-hydroxycoumarin, R.sup.2 =--CH(OH)CH.sub.3.An object of the invention are also processes for the preparation of hydroxy and polyhydroxy derivatives of coumarin fused with dialdehydes and aldehyde acids, and the antiviral action thereof.Novel hydroxy and polyhydroxy derivatives of coumarin according to the present invention exhibit antiviral action against HIV-1 virus.
摘要:
The present invention relates to novel coumarin quinolone carboxylic acids wherein the pyridone system is fused in 3,4-, 6,7- and 7,8-positions of the coumarin system, of the general formula I ##STR1## wherein R.sup.1 R.sup.2 =--NHCH=C(CO.sub.2 R.sup.6)CO, R.sup.3 =NO.sub.2 or NH.sub.2, R.sup.4 =R.sup.5 =H, R.sup.6 =H or C.sub.2 H.sub.5 ;R.sup.1 R.sup.2 =--NHCH=C(CO.sub.2 R.sup.6)CO, R.sup.3 =R.sup.4 =H, R.sup.5 =F, R.sup.6 =H or C.sub.2 H.sub.5 ;R.sup.1 R.sup.2 =--CO(CO.sub.2 R.sup.6)C=CHNH, R.sup.3 =R.sup.4 =R.sup.5 =H, R.sup.6 =H or C.sub.2 H.sub.5 ;R.sup.1 R.sup.2 =R.sup.3 R.sup.4 =--NHCH=C(CO.sub.2 R.sup.6)CO, R.sup.5 =H, R.sup.6 =H or C.sub.2 H.sub.5 ;R.sup.1 =H or OH, R.sup.2 =R.sup.5 =H, R.sup.3 R.sup.4 =--NHCH (CO.sub.2 R.sup.6)CO, R.sup.6 =H or C.sub.2 H.sub.5 ;R.sup.1 =OH, R.sup.2 =R.sup.3 =H, R.sup.4 R.sup.5 =--CO(CO.sub.2 R.sup.6) C=CHNH, R.sup.6 =H or C.sub.2 H.sub.5 ;R.sup.1 =R.sup.5 =H, R.sup.2 =CH.sub.3 or CF.sub.3, R.sup.3 R.sup.4 =--CO(CO.sub.2 R.sup.6)C=CHNH, R.sup.6 =H or C.sub.2 H.sub.5,as well as pharmaceutically acceptable salts thereof.The object of the invention are also processes for the preparation of novel coumarin quinolone carboxylic acids and the biological action thereof.
摘要:
The invention provides the preparation procedure for N-substituted derivatives of N-methyl-3-(p-trifluoromethylphenoxy)-3 -phenylpropylamine having the general formula (I), where R is hydrogen and the group of the general formula (II), in which R.sub.1 is aryl, alkylaryl and alkyl group with C.sub.1 to C.sub.4 atoms, and n is 0 and 1, and also covers the compounds of the general formula (I), where R is the group of the formula (II), in which R.sub.1 is aryl and alkylaryl group, and n is 0 and 1.According to this invention by condensation of N-substituted derivatives of N-methyl-3-phenyl-3-hydroxypropylamine (XV), where R.sub.1 is benzyl and p-nitrobenzyl group and n is 0, and p-trifluoromethylchlorbenzene (XVI) prepared N-substituted derivatives of N-methyl-3-(p-trifluoromethylphenoxy)-3 -phenylpropylamine (I), where R is the group of the formula (II), in which n and R are the same as in the compound (XV), which by the reaction with chloroformic acid esther (XVII), where R.sub.1 aryl, alkylaryl and alkyl group with C.sub.1 to C.sub.4 atoms, are converted to N-substituted derivatives of N-methyl-3-(p -trifluoromethylphenoxy)-3-phenylpropylamine (I), where R is the group of the formula (II), in which R.sub.1 is the same as in the compound (XVII), and n is 1, from which is prepared the compound of the formula (I), in which R is hydrogen (Fluoxetin), by basic hydrolysis and/or catalytic hydrogenolysis, when R is the group of the formula (II), in which R.sub.1 is benzyl and p-nitrobenzyl group, and n is 0 and 1.
摘要翻译:本发明提供了具有通式(I)的N-甲基-3-(对三氟甲基苯氧基)-3-苯基丙胺的N-取代衍生物的制备方法,其中R是氢,通式(II)的基团, 其中R1是芳基,烷基芳基和具有C1至C4原子的烷基,n是0和1,并且还包括通式(I)的化合物,其中R是式(II)的基团,其中 R1是芳基和烷基芳基,n是0和1.根据本发明,通过N-甲基-3-苯基-3-羟基丙基胺(XV)的N-取代衍生物的缩合,其中R1是苄基和对硝基苄基 并且n为0,对三氟甲基氯苯(XVI)制备N-甲基-3-(对三氟甲基苯氧基)-3-苯基丙胺(I)的N-取代衍生物,其中R为式(II)基团, 其中n和R与化合物(XV)中的相同,其通过与氯甲酸esther(XVII)反应,其中R 1芳基,烷芳基和烷基基团与 h C1至C4原子转化为N-甲基-3-(对三氟甲基苯氧基)-3-苯基丙胺(I)的N-取代衍生物,其中R是式(II)的基团,其中R1是 与化合物(XVII)中相同,n为1,当R为基团时,通过碱性水解和/或催化氢解制备式(I)化合物,其中R为氢(氟西汀)) 其中R1是苄基和对硝基苄基,n是0和1。