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    • 11. 发明授权
    • Intermediates for cephalosporins with sulfur containing oxyimino side
chain
    • 含硫氧基亚氨基侧链的头孢菌素中间体
    • US5319140A
    • 1994-06-07
    • US885581
    • 1992-05-19
    • Erwin Gotschi
    • Erwin Gotschi
    • A61K31/545A61K31/546A61P31/04C07C67/00C07C313/00C07C317/22C07C317/24C07C317/46C07C323/22C07C323/34C07C323/35C07C323/52C07C323/60C07C323/61C07C323/62C07C323/65C07C323/66C07D277/40C07D501/20C07D501/22C07D501/34C07D501/36C07D501/46C07D501/56C07C321/24
    • C07D501/20C07D277/40
    • Antibacterial compounds of the formula ##STR1## wherein R is a mononuclear carbocyclic aromatic group, a 5-membered aromatic heterocyclic group which contains as the hereto (non-carbon) ring member(s) an oxygen or sulphur atom or an imino or lower alkylimino group and, optionally, one or two nitrogen atoms, or a 6-membered aromatic heterocyclic group which contains one to three nitrogen atoms as the hereto ring member(s); R.sup.1 is hydrogen or a 3-substituent which is usable in cephalosporin chemistry; A is lower alkylene or C.sub.3-7 -cycloalkylene which is optionally substituted with carboxy, carbamoyl, lower alkylcarbamoyl or di(lower alkyl)carbamoyl; Q is lower alkylene or C.sub.3-7 -cycloalkylene which is optionally substituted with carboxy, carbamoyl, lower alkylcarbamoyl or di(lower alkyl)carbamoyl or the group --NR.sup.2 -- or --NR.sup.2 NR.sup.3 --; R.sup.2 and R.sup.3 are independently hydrogen or lower alkyl; p and m are the zero or 1, n is zero, 1 or 2; R.sup.4 is hydrogen, lower alkanoyl or tri(lower alkyl)silyl; two R.sup.4 groups together represent diphenylmethylene; R.sup.5 is hydrogen, lower alkyl, hydroxy, lower alkoxy, halogen, nitro, --OCOR.sup.7, --OCOOR.sup.71, --N(R.sup.7).sub.2, --NHCOR.sup.7, --NHCOOR.sup.71, --COR.sup.7, --SR.sup.7, --SOR.sup.7, --SO.sub.2 R.sup.7, --SO.sub.3 H, --COOR.sup.7 or --CON(R.sup.7).sub.2 ; R.sup.6 is hydrogen, lower alkyl or halogen, R.sup.7 is hydrogen or lower alkyl; R.sup.71 is lower alkyl, and the two --OR.sup.4 groups are attached to the phenyl ring via adjacent carbon atoms, as well as readily hydrolyzable esters and pharmaceutically acceptable salts of these compounds and hydrates of compounds of formula I and of their esters and salts.
    • 其中R是单核碳环芳族基团的5元芳族杂环基团,其中含有氧原子或硫原子或亚氨基或低级亚烷基的非芳族杂环基团 烷基亚氨基和任选的一个或两个氮原子,或含有一至三个氮原子的6-元芳族杂环基作为本文的环成员; R1是氢或可用于头孢菌素化学的3-取代基; A是低级亚烷基或任选被羧基,氨基甲酰基,低级烷基氨基甲酰基或二(低级烷基)氨基甲酰基取代的C 3-7 - 亚环烷基; Q是低级亚烷基或任选被羧基,氨基甲酰基,低级烷基氨基甲酰基或二(低级烷基)氨基甲酰基或-NR 2 - 或-NR 2 NR 3 - 基团取代的C 3-7 - 亚环烷基; R2和R3独立地是氢或低级烷基; p和m为零或1,n为零,1或2; R4是氢,低级烷酰基或三(低级烷基)甲硅烷基; 两个R 4基团一起表示二苯基亚甲基; R5是氢,低级烷基,羟基,低级烷氧基,卤素,硝基,-OCOR7,-OCOOR71,-N(R7)2,-NHCOR7,-NHCOOR71,-COR7,-SR7,-SOR7,-SO2R7,-SO3H, -COOR7或-CON(R7)2; R6是氢,低级烷基或卤素,R7是氢或低级烷基; R71是低级烷基,并且两个-OR4基团通过相邻的碳原子连接到苯环上,以及这些化合物的易水解的酯和药学上可接受的盐以及式I化合物及其酯和盐的水合物。
    • 13. 发明授权
    • Process for preparing ester of hydroxymethylbenzocyclobutenes
    • 制备羟甲基苯并环丁烯酯的方法
    • US5264613A
    • 1993-11-23
    • US861700
    • 1992-04-10
    • P. J. ThomasR. Garth Pews
    • P. J. ThomasR. Garth Pews
    • C07C69/007C07C69/44C07C69/80C07C69/82C07C69/96C07C69/76C07C69/34C07C313/00
    • C07C69/007C07C69/44C07C69/80C07C69/82C07C69/96
    • A process for preparing carboxylic acid esters of of the formulaX--(COOCH.sub.2 A).sub.nwherein A is the residue of a substituted or unsubstituted 3- or 4-benzocyclobutene compound, X is an n-valent organic bridging group, and n is 2,3, or 4, comprises reacting a substituted or unsubstituted 3- or 4-hydroxymethylbenzocyclobutene compound with a compound of the formula X--(COY).sub.n, wherein X is an n-valent organic bridging group and Y is Cl or Br. Esters of inorganic acids of the formulaX'(OCH.sub.2 A).sub.nwherein X' is a residue of an inorganic acid halide, n is 2 or 3, and A is the residue of a substituted or unsubstituted 3- or 4-benzocyclobutene compound, are prepared by reacting an inorganic halide of the formula X'Y.sub.n, wherein Y is Br or Cl, with a substituted or unsubstituted 3- or 4-hydroxymethylbenzocyclobutene compound. Biscarbonates of the formula X"[OC(.dbd.O)CH.sub.2 A].sub.2 wherein X" is the residue of a diphenol are prepared by reaction between a bis(halocarbonyl) compound of the formula X"[OC(.dbd.O)Y].sub.2, wherein Y is Cl or Br, and a substituted or unsubstituted 3- or 4-hydroxymethylbenzocyclobutene compound. The resulting esters are useful for making resins.
    • 一种制备式X-(COOCH 2 A)n的羧酸酯的方法,其中A是取代或未取代的3-或4-苯并环丁烯化合物的残基,X是n价有机桥基,n是2, 3或4包括使取代或未取代的3-或4-羟甲基苯并环丁烯化合物与式X-(COY)n的化合物反应,其中X为n价有机桥基,Y为Cl或Br。 式X'(OCH 2 A)n的无机酸的酯,其中X'为无机酰卤的残基,n为2或3,A为取代或未取代的3-或4-苯并环丁烯化合物的残基,为 通过使式X'Yn的无机卤化物(其中Y是Br或Cl)与取代或未取代的3-或4-羟甲基苯并环丁烯化合物反应制备。 式X“[OC(= O)CH 2 A] 2的双碳酸酯,其中X”是二酚的残基,通过式X“[OC(= O)Y ] 2,其中Y是Cl或Br,以及取代或未取代的3-或4-羟甲基苯并环丁烯化合物。 所得的酯可用于制备树脂。
    • 16. 发明授权
    • Thiocarbamates and their derivatives
    • 甲硫氨酸及其衍生物
    • US5157142A
    • 1992-10-20
    • US875158
    • 1986-06-17
    • Kenneth G. Davenport
    • Kenneth G. Davenport
    • B01J27/06B01J27/00C07B61/00C07C67/00C07C313/00C07C319/02C07C323/34C07C325/00C07C333/02C07C333/04
    • C07C333/02
    • A process is provided for preparing N-acyl-aminothiophenols, e.g., N-acetyl-para-aminothiophenol, or aminothiophenols, e.g., para-aminothiophenol, by reacting a hydroxy aromatic ketone, e.g., 4-hydroxyacetophenone (4-HAP), with hydroxylamine or a hydroxylamine salt, to form the oxime of the ketone, subjecting the oxime to a Beckmann rearrangement in the presence of a catalyst to form the N-acyl-hydroxy aromatic amine, e.g., N-acetyl-para-aminophenol (APAP), reacting the N-acyl-hydroxy aromatic amine with an N,N-di (organo) thiocarbamoyl halide, e.g., N,N-dimethylthiocarbamoyl chloride, to form an O-(N-acyl-aminoaryl)-N,N-di (organo) thiocarbamate, e.g., O-(N-acetyl-para-aminophenyl)-N,N-dimethylthiocarbamate, pyrolytically rearranging the O-(N-acyl-aminoaryl)-N,N-di (organo) thiocarbamate to form an S-(N-acyl-aminoaryl)-N,N-di (organo) thiocarbamate, e.g., S-(N-acetyl-para-aminophenyl)-N,N-dimethylthiocarbamate, and hydrolyzing the latter compound to obtain the N-acyl aminothiophenol or aminothiophenol. The N-acyl aminothiophenol may be reacted with an acylating agent to form the N,S-diacyl-aminothiophenol, e.g., N,S-diacetyl-p-aminothiophenol, or may be further hydrolyzed to the aminothiophenol, e.g., p-aminothiophenol.
    • 提供了通过使羟基芳族酮例如4-羟基苯乙酮(4-HAP)与N-羟基芳基酮(4-HAP)反应来制备N-酰基 - 氨基噻吩酚的方法,例如N-乙酰基对氨基苯硫酚或氨基硫酚,例如对氨基苯硫酚 羟胺或羟胺盐,以形成酮的肟,在催化剂存在下使肟进行贝克曼重排以形成N-酰基 - 羟基芳族胺,例如N-乙酰基对氨基苯酚(APAP) ,使N-酰基 - 羟基芳族胺与N,N-二(有机)硫代氨基甲酰基卤化物例如N,N-二甲基硫代氨基甲酰氯反应,形成O-(N-酰基 - 氨基芳基)-N,N-二 (有机)硫代氨基甲酸酯,例如O-(N-乙酰基 - 对 - 氨基苯基)-N,N-二甲基硫代氨基甲酸酯,热解重新排列O-(N-酰基 - 氨基芳基)-N,N-二(有机))硫代氨基甲酸酯,形成 S-(N-酰基 - 氨基芳基)-N,N-二(有机)硫代氨基甲酸酯,例如S-(N-乙酰基 - 对氨基苯基)-N,N-二甲基硫代氨基甲酸酯,并水解后一种化合物,得到N- 酰基氨基苯硫酚 氨基苯硫酚 N-酰基氨基苯硫酚可以与酰化剂反应形成N,S-二酰基 - 氨基苯硫酚,例如N,S-二乙酰基对氨基苯硫酚,或者可以进一步水解成氨基苯硫酚,例如对氨基苯硫酚。