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    • 21. 发明授权
    • Heteroacetic acid derivatives
    • 异丁酸衍生物
    • US5654468A
    • 1997-08-05
    • US680731
    • 1996-07-15
    • Naokata Yokoyama, deceasedGordon Northrop WalkerAlan Joseph Main
    • Naokata Yokoyama, deceasedGordon Northrop WalkerAlan Joseph Main
    • A61K31/165A61P3/06C07C41/00C07C229/18C07C229/36C07C233/56C07C235/72C07C323/37C07C323/52C07J41/00C07C229/00
    • C07C323/52C07C229/18C07C229/36C07C233/56C07J41/0055
    • Disclosed are compounds of formula ##STR1## wherein R is hydroxy, esterified hydroxy or etherified hydroxy;R.sub.1 is halogen, trifluoromethyl or lower alkyl;R.sub.2 is halogen, trifluoromethyl or lower alkyl;R.sub.1 is halogen, trifluoromethyl, lower alkyl, aryl, aryl-lower alkyl, cycloalokyl or cycloalkyl-lower alkyl; orR.sub.3 is the radical ##STR2## wherein R.sub.8 is hydrogen, lower alkyl, aryl, cycloalkyl, aryl-lower alkyl or cycloalkil-lower alkyl; R.sub.9 is hydroxy or acyloxy; R.sub.10 represents hydrogen or lower alkyl; or R.sub.9 and R.sub.10 together represent oxo;R.sub.4 is hydrogen, halogen, trifluoromethyl or lower alkyl;X is --NR.sub.7, S or O;W is O or S;R.sub.5 represents hydrogen, lower alkyl or aryl-lower alkyl; andR.sub.6 represents hydrogen; orR.sub.5 and R.sub.6 together represent oxo provided that X represents --NR.sub.7 ;R.sub.7 represents hydrogen or lower alkyl;Z represents carboxyl, carboxyl derivatized as a pharmaceutically acceptable ester or as a pharmaceutically acceptable amide; and pharmaceutically acceptable salts thereof; which are useful as hypocholesteremic agents.
    • 公开了式(I)的化合物,其中R是羟基,酯化的羟基或醚化的羟基; R1是卤素,三氟甲基或低级烷基; R2是卤素,三氟甲基或低级烷基; R1是卤素,三氟甲基,低级烷基,芳基,芳基 - 低级烷基,环烷基或环烷基 - 低级烷基; 或R3是基团,其中R8是氢,低级烷基,芳基,环烷基,芳基 - 低级烷基或环烷基 - 低级烷基; R9是羟基或酰氧基; R 10表示氢或低级烷基; 或R 9和R 10一起代表氧代; R4是氢,卤素,三氟甲基或低级烷基; X是-NR 7,S或O; W为O或S; R5代表氢,低级烷基或芳基 - 低级烷基; R6代表氢; 或者R 5和R 6一起代表氧代,条件是X代表-NR7; R7代表氢或低级烷基; Z表示羧基,羧基衍生化为药学上可接受的酯或作为药学上可接受的酰胺; 及其药学上可接受的盐; 其可用作低胆固醇剂。
    • 29. 发明授权
    • N-Substituted .alpha.-ketocarboxylic acid amides
    • N-取代的α-酮羧酸酰胺
    • US4228082A
    • 1980-10-14
    • US56084
    • 1979-07-09
    • Axel KleemannHerbert KlenkHeribert OffermannsPaul ScherberichWerner Schwarze
    • Axel KleemannHerbert KlenkHeribert OffermannsPaul ScherberichWerner Schwarze
    • A01N25/00A01P3/00A01P13/00C07C67/00C07C231/00C07C231/06C07C231/08C07C235/72C07D307/54C07C103/737C07C103/76
    • C07D307/54
    • Compounds are prepared of the formula ##STR1## where R' is a t-alkyl group having 4 to 18 carbon atoms, preferably t-butyl, t-amyl or t-octyl and R is a straight or branched chain alkyl group with 1 to 18 carbon atoms, preferably 1 to 10 carbon atoms or an alkyl group substituted with one or more phenyl group or a halogen atom, particularly a chlorine atom, or a cycloalkyl group with 3 to 8 carbon atoms, particularly cyclopropyl, which can be substituted by one or more 1 to 3 carbon atom alkyl groups or one or more halogen atoms, preferably chlorine, or phenyl or naphthyl or a five membered heterocyclic group or such phenyl, naphthyl or heterocyclic group substituted by halogen atoms, nitro groups, alkyl or alkoxy with 1 to 5 carbon atoms by condensing in acid medium an acyl cyanide of the formulaR--CO--CN (II)where R is as defined above with either(a) a tertiary alcohol of the formulaHO--R' (III) in which R' is as defined above, or preferably(b) an alkene of the formula ##STR2## where R.sub.1 and R.sub.2 are the same or different and are hydrogen or an alkyl group and wherein R.sub.3 and R.sub.4 are the same or different and wherein the alkyl groups in each case can be 1 to 15 carbon atoms. Some of the compounds are new. They are useful as intermediates for synthesizing herbicides and can be used directly as fungicides.
    • 化合物由式(I)制备,其中R'是具有4至18个碳原子的叔烷基,优选叔丁基,叔戊基或叔辛基,R是直链或支链烷基 具有1至18个碳原子,优选1至10个碳原子的烷基或被一个或多个苯基或卤素原子,特别是氯原子或具有3至8个碳原子的环烷基特别是环丙基取代的烷基,其可以 被一个或多个1至3个碳原子的烷基或一个或多个卤素原子,优选氯,或苯基或萘基或五元杂环基或被卤素原子取代的苯基,萘基或杂环基,硝基,烷基 或具有1至5个碳原子的烷氧基,通过在酸性介质中缩合式R-CO-CN(II)的酰基氰,其中R如上定义,与(a)式HO-R'(III ),其中R'如上所定义,或优选(b)下式的烯烃(I) V)其中R 1和R 2相同或不同并且是氢或烷基,并且其中R 3和R 4相同或不同,并且其中每种情况下的烷基可以是1至15个碳原子。 一些化合物是新的。 它们可用作合成除草剂的中间体,可直接用作杀真菌剂。