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584 条记录 (耗时 0.015 秒)

    Hydroxy ether carboxylates
    91.
    发明授权
    Hydroxy ether carboxylates 失效
    羟基醚羧酸盐

    公开(公告)号：US3897490A

    公开(公告)日：1975-07-29

    申请号：US42629773

    申请日：1973-12-19

    申请人： MONSANTO CO

    发明人： LANNERT KENT P

    IPC分类号： C07C69/708 ,  C07C51/00 ,  C07C51/367 ,  C07C59/305 ,  C07C67/00 ,  C11D3/00 ,  C11D3/20 ,  C07C59/22

    CPC分类号： C11D3/2089 ,  C07C51/367 ,  C07C59/305

    摘要： Hydroxy ether carboxylates represented by the formula

    WHEREIN M is alkali metal, ammonium or alkanol ammonium and A is hydrogen or methyl, are useful as complexing agents and detergency builders. The ester and acid forms of such compounds are useful as intermediates for production of the salts.

    摘要翻译： 由式WHEREIN M表示的羟基醚羧酸盐是碱金属，铵或烷醇铵，A是氢或甲基，可用作络合剂和去污剂。 这些化合物的酯和酸形式可用作盐的生产的中间体。

    Hydroxylation of aromatic acids
    93.
    发明授权
    Hydroxylation of aromatic acids 失效
    芳香酸的羟化

    公开(公告)号：US3758562A

    公开(公告)日：1973-09-11

    申请号：US3758562D

    申请日：1969-09-29

    申请人： UNIVERSAL OIL PROD CO

    发明人： VESLEY J ,  HERVERT G

    IPC分类号： C07C51/367 ,  C07C65/02

    CPC分类号： C07C51/367 ,  C07C65/11 ,  C07C65/03 ,  C07C65/05 ,  C07C59/52 ,  C07C65/21

    摘要： The nuclear hydroxylation of a nuclearly substituted aromatic acid is accomplished by treating the acid with hydrogen perioxide in the presence of a catalyst comprising a hydrogen fluoridecarbon dioxide complex at a temperature in the range of from about -10* to about 100*C. and a pressure in the range of from about ambient to about 100 atmospheres.

    摘要翻译： 核取代的芳族酸的核羟基化是通过在包含氟化氢 - 二氧化碳络合物的催化剂存在下，在约-10℃至约100℃的温度下，用氢氧化钯处理酸来实现的。 并且在约环境温度至约100个大气压的范围内的压力。

    Preparation of carboxyhydroxy alkyl starch derivatives
    95.
    发明授权
    Preparation of carboxyhydroxy alkyl starch derivatives 失效
    羧甲氧基烷基淀粉衍生物的制备

    公开(公告)号：US3702847A

    公开(公告)日：1972-11-14

    申请号：US3702847D

    申请日：1970-12-16

    申请人： STALEY MFG CO A E

    发明人： HATHAWAY ROBERT J

    IPC分类号： C07C51/367 ,  C08B31/12 ,  C08B19/06

    CPC分类号： C08B31/12 ,  C07C51/367 ,  C07C59/115 ,  C07C59/295

    摘要： CHLOROHYDROXY ACIDIC REAGENTS, SUCH AS CHLOROHYDROXYPROPIONIC ACID (CHP) AND CHLORINATION OF ACRYLIC ACID AND MALEIC ACIDS, RESPECTIVELY, ARE USED TO INTRODUCE CARBOXYL GROUPS INTO STARCH IN THE PRESENCE OF AN ALKALINE CATALYST. SOME OF THE RESULTING CARBOXYHYDROXY ALKYL STARCH DERIVATIVES, WHEN FURTHER MODIFIED, ARE USEFUL IN PAPER MANUFACTURE AS FILLER RETENTION AIDS. IT IS EXPECTED THAT THE MODIFIED STARCHES OF THE INVENTION WILL ALSO BE USEFUL IN FOODS. CLEAVAGE OF THE ETHER LINKAGE SHOULD TAKE PLACE DURING METABOLISM, AND THE REACTION BY-PRODUCTS SHOULD INCLUDE GLYCERIC AND TARTARIC ACID, BOTH OF WHICH ARE NATURALLY OCCURRING METALBOLITES. THE STARCH DERIVATIVES MADE BY THE METHOD OF THIS INVENTION EXHIBIT ANIONIC CHARACTERISTICS, AND WHEN CHLOROHYDROXYPROPIONIC ACID REAGENT IS REACTED WITH A CATIONIC CORN STARCH, THE RESULTING PRODUCT IS A SUBSTANTIALLY IMPROVED FILLER RETENTION AID.

    4-alkanoylphenoxy-alkanoic acids
    98.
    发明授权
    4-alkanoylphenoxy-alkanoic acids 失效
    4-烷酰基苯氧基 - 链烷酸

    公开(公告)号：US3383411A

    公开(公告)日：1968-05-14

    申请号：US34506264

    申请日：1964-02-17

    申请人： MERCK & CO INC

    发明人： SCHULTZ EVERETT M ,  SPRAGUE JAMES M

    IPC分类号： A61K31/19 ,  C07C45/46 ,  C07C45/67 ,  C07C49/84 ,  C07C51/09 ,  C07C51/16 ,  C07C51/347 ,  C07C51/36 ,  C07C51/367 ,  C07C51/373 ,  C07C51/377 ,  C07C59/68 ,  C07C59/70 ,  C07C59/90 ,  C07C69/67 ,  C07C69/712 ,  C07C205/45

    CPC分类号： C07C205/45 ,  C07C45/46 ,  C07C45/673 ,  C07C51/09 ,  C07C51/16 ,  C07C51/347 ,  C07C51/36 ,  C07C51/367 ,  C07C51/373 ,  C07C51/377 ,  C07C59/90 ,  C07C201/12 ,  C07C319/20 ,  C07C323/00 ,  C07C49/825 ,  C07C49/83 ,  C07C49/84 ,  C07C59/70 ,  C07C323/52

    摘要： Novel phenoxyalkanoic and phenylthioalkanoic acid derivatives of the formula wherein A is oxygen or sulphur; R is C3- 5 alkyl, cycloalkyl, e.g. cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl, cycloalkylalkyl, e.g. cyclopentylmethyl or cyclohexylmethyl, or aralkyl, e.g. benzyl, phenylethyl or phenylpropyl; X is OH, -OM (where M is an equivalent of a non-toxic cation), alkoxy or in which R1 and R2 are H or C1- 5 alkyl; X1 is H, halogen, C1- 5 alkyl or -NO2; X2 is halogen, C1- 5 alkyl, -CF3, CH3CONH- or carboxyalkoxy, e.g. -O.CH2.COOH; X3 and X4 are H, halogen, or C1- 5 alkyl and n is 1-5, are made by (a) reacting an alkanoyl halide R.CO.Halogen with the appropriate phenoxy- or phenylthioalkanoic acid, in the presence of a metallic halide; (b) reacting a 4-alkanoylphenol with a haloalkanoic acid, Halogen.CnH2n.COOH, or an ester thereof in the presence of a base and, if necessary, saponifying the product and/or acidifying to form the free acid or (c) hydrogenating a 4-(2-alkylidenealkanoyl) phenoxy- or 4 - (2 - alkylidenealkanoyl) phenylthio-alkanoic acid to its saturated derivative, thus giving products of the invention wherein R has an alkyl side chain in the a -position. The ester and amide derivatives, i.e. products, wherein X is alkoxy or may be made by conventional methods of esterification or amidation, e.g. by reacting the free acid with an alcohol or converting the acid to an acid halide and reacting with an alcohol or with ammonia or an amine. 4-Alkanoyl-phenols bearing substituents corresponding to X1, X2, X3 and X4 on the ring are made by treating an appropriately substituted anisole, phenetole or similar ether with an alkanoyl halide R.CO.Halogen in the presence of a metal halide, e.g. AlCl3 and splitting off the ether group by treating with an additional amount of AlCl3. 4 - (2 - Alkylideneacyl) - phenoxy- and 4 - (2-alkylideneacyl) - phenylthio - alkanoic acids, e.g. compounds having the structure R.C(=CH2).CO.C6H4.A.CnH2n.COOH bearing substituents X1, X2, X3 and X4 on the phenyl nucleus are made by (a) reacting a 4-alkanoylphenoxy- or 4-alkanoylphenylthio-alkanoic acid with the acid addition salt of a secondary amine and formaldehyde or paraformaldehyde to form a 2-secondaryaminomethyl-alkanoyl derivative, and treating this with a weak base such as sodium bicarbonate, or (b) acylating a phenoxy-or phenylthio-alkanoic acid with a 2-methylenealkanoic halide. Pharmaceutical preparations having diuretic activity comprise the above compounds of the invention in admixture with a carrier or excipient preferably in the form of a tablet, capsule, orally administrable or injectable solution or suspension, pill or powder.