摘要:
The N-m-trifluoromethylphenylanthranilates of O-alcoxycarbonylphenyl, having the formula ##STR1## wherein R is an alkyl group, preferably comprising 1 to 4 carbon atoms, besides being of low toxicity, are endowed with anti-inflammatory properties and are adapted for the treatment of inflammatory and thrombotic diseases. The method for the preparation of the above compounds comprises reacting the N-m-trifluoromethylphenylisatoic anhydride with an alkyl salicylate.
摘要:
Anthranilates of the formula ##STR1## wherein each R is hydrogen or ##STR2## each n is the number 2, 3 or 4, y is nought or 1 and X is an alkylene radical having 1 to 8 C atoms, meta- or para-phenylene or meta- or para-cyclohexylene, are obtained by reacting a hydroxyalkylated dicarboxylic acid diamide of the formula ##STR3## wherein each R is hydrogen or --CH.sub.2).sub.n OH and n, y and X are as defined above, with isatoic anhydride, preferably in the presence of an alkaline catalyst.The novel compounds are valuable chain extenders and crosslinking agents for the production of polyurethanes and polyurea resins and are also suitable as curing agents for epoxide resins.
摘要:
Anthranilic esters are obtained in good yield and high purity by transesterification when using potassium carbonate as transesterification catalyst.
摘要:
This invention relates to compositions of matter useful as anti-diarrheal agents and to the method of controlling and treating diarrhea in warm blooded animals. The active anti-diarrheal agents are substituted N-aryl-anthranilic acids, and salts thereof and ester and hydrazine derivatives of said acids.
摘要:
Lubricants are stabilized against oxidative degradation by adding thereto a stabilizing amount of an ester of an anthranilic acid. An example of a suitable material is n-octyl N-naphthylanthranilate (n-octyl N-phenyl-1-naphthyl-2'-carboxylate).
摘要:
A process for preparing 4-hydroxy-3-nitrobenzoic acid alkyl esters by nitration of 4-hydroxybenzoic acid alkyl esters with nitric acid, wherein nitration is carried out at about 0 to 60*C with the aid of nitric acid having a strength of 30 to 62 %, which process represents a considerable improvement of the yield and wherein pure products are obtained.
摘要:
Halogen substituted aromatic amines are prepared by reducing the corresponding nitro compounds at a temperature of from 80* 130* C, under hydrogen pressure of from 10 - 150 atmospheres and at a pH of from 7 - 12 in an amount of watermisicible solvent sufficient to maintain a homogeneous phase during the reaction in the presence of from 1 to 25 percent by weight of a noble metal catalyst supported on active carbon, which catalyst has been used at least once in a catalytic hydrogenation reaction.
摘要:
OR A LOWER ALKYL GROUP HAVING UP TO THREE CARBON ATOMS IN WHICH ONE OR TWO HYDROGEN ATOMS ARE REPLACED BY HYDROXYL GROUPS, ACYLOXY GROUPS HAVING UP TO FOUR CARBON ATOMS, OR LOWER HYDROXYALKOXY GROUPS, HAVING AN ANTIFLAMMATORY ACTION.
摘要:
A novel complex which is formed when essentially equimolar proportions of the methyl ester of 3-amino-2,5-dichlorobenzoic acid and the methyl ester of 2,5-dichloro-3-nitrobenzoic acid are heated together which complex shows herbicidal activity.