摘要:
The present invention relates to novel hydantoin derivatives, processes for producing said hydantoin derivatives, pharmaceutical compositions containing at least one of said hydantoin derivatives as aldose reductase inhibitors and novel intermediate compounds in the synthesis of said hydantoin derivatives.The present invention is based on the selection of a hydantoin which is bonded by a sulfonyl group to various substituents at the 1-position of the hydantoin skeleton.
摘要:
Amidine compounds of the formula ##STR1## and pharmaceutically acceptable acid addition salts thereof are novel compounds and are useful as powerful anti-trypsin, anti-plasmin, anti-kallikrein and anti-thrombin agents. They are also useful as a powerful anti-complement agent.
摘要:
Compounds of the following general structure are useful as antirhinovirus agents: ##STR1## wherein R is a straight or branched hydrocarbon chain having from 12 to 16 carbon atoms and is saturated or is unsaturated having from 1 to 4 double bonds.
摘要:
Sparsomycin derivatives of the formula ##STR1## wherein X and Y are each independently an oxo or an imino group; n is 0 or the integer 1 or 2; R.sub.1 is a hydrogen or 1 to 4 carbon alkyl group; R.sub.2 is a hydrogen, a 1 to 4 carbon alkyl, a 2 to 5 carbon acyl or a benzoyl group; and R is a 1 to 6 carbon alkyl, 3 to 8 carbon alkenyl, cyanomethyl carboxymethyl, carbalkoxymethyl wherein the alkoxy moiety is a 1 to 4 carbon alkoxy group, nitromethyl, alkylcarbonylmethyl wherein the alkyl moiety is a 1 to 4 carbon alkyl group, pyridyl, furanyl, or furfuryl group or a phenyl or benzyl group optionally substituted by a methylenedioxy or one to two halogen, 1 to 4 carbon alkyl, 1 to 4 carbon alkoxy, 1 to 4 carbon alkylthio, hydroxy, nitro or cyano groups or a pharmaceutically acceptable acid addition salt thereof. Also described are their use as antiprotozoals and antibacterials.
摘要翻译:其中X和Y各自独立地是氧代基或亚氨基的式“IMAGE”的孢子霉素衍生物; n为0或整数1或2; R 1是氢或1-4个碳的烷基; R2是氢,1至4个碳烷基,2至5个碳酰基或苯甲酰基; R为碳原子数1〜6的烷基,碳原子数为3〜8的烯基,氰基甲基羧甲基,烷氧基甲基,烷氧基部分为1〜4个碳原子的烷氧基,硝基甲基,烷基部分为1〜4个碳烷基的烷基羰基甲基,吡啶基 ,呋喃基或糠基或任选被亚甲二氧基或一至二个卤素,1-4个碳烷基,1至4个碳烷氧基,1至4个碳烷硫基,羟基,硝基或氰基取代的苯基或苄基。 其可接受的酸加成盐。 还描述了它们作为抗原生动物和抗菌剂的用途。
摘要:
Substituted succinic anhydride or succinate stabilizers of the formula I or II ##STR1## where R.sub.1 and R.sub.2 are independently alkyl, cycloalkyl, phenyl or aralkyl, R.sub.3 is hydrogen or methyl, R.sub.4 is hydrogen, lower alkyl or phenyl, R.sub.5 is hydrogen, alkyl, alkylthio, arylthio or the structure ##STR2## and R.sub.6 and R.sub.7 are independently hydrogen, alkyl; aryl or substituted aryl are useful as stabilizers for polymeric substrates, particularly polyolefins and rubber.
摘要:
Compounds prepared by reacting maleic anhydride, maleic acid or their esters with thiols; which exhibit a synergistic effect when combined with a phenolic antioxidant in the stabilization of organic materials such as natural and synthetic polymers, rubbers, lubricants and oil, etc. are disclosed.
摘要:
Novel thioether compounds are disclosed which are useful as flavoring materials to enhance or impart meat-like flavors to foodstuffs. These compounds have the general formula ##STR1## where X can be, under specified conditions, --CH.sub.2 --, oxygen, or sulfur, Y can be oxygen or sulfur and R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are hydrogen or 1 to 3 carbon alkyl groups.
摘要:
Novel carboxylic acid esters of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are identical or different and each is hydrogen, halogen or alkyl or alkenyl of up to 5 carbon atoms,Y is 3-(2,2-dihalogenovinyl)-2,2-dimethyl-cyclopropyl or a radical of the formula ##STR2## where R.sup.4 is unbranched or branched alkyl, alkenyl or alkynyl of up to 4 carbon atoms or is an alicyclic radical of 3 to 7 carbon atoms,R.sup.5 is halogen, alkyl or alkoxy of up to 5 carbon atoms, trihalomethyl, cyano or nitro anda is from 0 to 3 andZ is a radical of the formula ##STR3## where X is oxygen, sulfur or --CH.sub.2 --,R.sup.6, R.sup.7 and R.sup.8 are halogen or alkyl, alkoxy or haloalkyl of up to 5 carbon atoms andb, c and d are from 0 to 3, their preparation and their use in insect and arachnid control.
摘要:
Disclosed are 6- and 6,6-disubstituted-2-substituted-oxapen-2-em-3-carboxylic acids of the following structure: ##STR1## wherein: R.sup.1 and R.sup.2 are independently selected from hydrogen, alkyl, alkoxyl, aralkyl, aryl, heterocyclyl and heterocyclylalkyl; R is selected from hydrogen, --OR, --SR, --NR.sub.2, alkyl, aryl, aralkyl, heterocyclyl, or heterocyclylalkyl. Such compounds and their pharmaceutically acceptable salt, and ester derivatives are useful as antibiotics. Also disclosed are processes for the preparation of such compounds, pharmaceutical compositions comprising such compounds and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.