摘要:
The invention relates to new 3-halogenoacetonesulfonamides of the formula X--CH.sub.2 --CO--CH.sub.2 --SO.sub.2 NH.sub.2 in which X=F, Cl, Br or I, and to the preparation and use thereof. The preparation of the bromine compound according to the invention is effected by reacting acetonesulfonamide with bromine in aqueous solution. The fluorine, chlorine or iodine compound is prepared by reacting the bromine compound with a fluoride, chloride or iodide in an aprotic solvent. The compounds according to the invention can be used for the preparation of azo dyestuffs, plant protection agents, pharmaceuticals and textile auxiliaries.
摘要:
The invention relates to new 2-ketosulfonamides of the formula ##STR1## and to a process for their preparation, wherein the 3-amino-2-sulfamoylalk-2-enoic acid esters of the formula ##STR2## obtained by reacting 3-aminoalk-2-enoic acid esters of the formula ##STR3## with amidosulfonyl chlorides of the formula X-SO.sub.2 -NH-R.sup.2, are subjected to hydrolysis and decarboxylation. The invention also relates to the 3-amino-2-sulfamoylalk-2-enoic acid esters which can be isolated as intermediates.
摘要:
A method of preparing a diphenyl ether compound of the formula (II) ##STR1## wherein X is F, Cl or Br; Z is hydrogen, halogen, NO.sub.2 of CN; and W is methyl, cyano, CH.sub.3 CO--, or a group --C--OR, wherein R is --OH; --OM wherein M is a cation; OR.sup.1 wherein R.sup.1 is an optionally substituted aliphatic radical; --NR.sup.2 R.sup.3 wherein R.sup.2 and R.sup.3 are each hydrogen or an optionally substituted aliphatic radical; or --NHSO.sub.2 R.sup.4 wherein R.sup.4 is alkyl of 1 to 6 carbon atoms, which comprises reacting a 3-X-substituted-4,5-difluorobenzotrifluoride with a salt of a 3,4-W,Z-substituted phenol. The invention further comprises novel 3-X-4,5-difluorobenzotrifluorides for use in the process.
摘要:
Sulphonanilides of formula ##STR1## and salts thereof, wherein R.sup.1 represents alkyl or certain other groups;R represents alkylene or alkenylene;A represents --COR.sup.12 or a carbonyl derivative or addition compound thereof, where R.sup.12 represents hydrogen, alkyl or certain other groups; andR.sup.2 -R.sup.6 represent hydrogen, alkyl, halogen or certain other groups;are pesticides and plant growth regulants, especially herbicides and fungicides.
摘要:
Sulfonamides, such as N-[N-(2-chloro-5-(trifluoromethyl)phenyl]-N-[2,4-dinitro-6-(trifluoromethyl)phenyl]aminothio]-N,4-dimethylbenzenesulfonamide, are useful for control of arthropod pests of plants and animals and fungus disease of plants.
摘要:
Disclosed are novel substituted 4'-polyhaloisopropylsulfonanilides which are anti-hypertensive agents useful in the treatment of mammalian hypertension. Additionally, the compounds exhibit herbicidal and fungicidal activity. The compounds are prepared by contacting a 4-polyhaloisopropylaniline with the appropriate substituted-sulfonyl chloride.
摘要:
An improved process for preparing perfluoroalkane sulfonamides by reacting a perfluoroalkane sulfonylfluoride with an amine as disclosed. The improvement comprises performing the reaction in the presence of at least about 1 mole of finely divided silica having a surface area from about 20 m.sup.2 /g to about 600 m.sup.2 /g, per mole of sulfonyl fluoride.
摘要:
The invention provides novel fluoro-imides/amides of the formula: ##STR1## IN WHICH AT LEAST TWO OF X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are fluorine and any of X.sub.1, X.sub.2, X.sub.3 and X.sub.4 which is not fluorine, is chlorine, and A is selected from:(a) ##STR2## IN WHICH R.sub.1 is hydrogen or a halogen atom, preferably chlorine, Z is CH or a nitrogen atom,N is 0 or 1, andR is an alkyl group having 1-6 carbon atoms, preferably methyl, or a halogen atom, preferably chlorine;(b) ##STR3## IN WHICH Z, n and R have the above-stated meanings: (C) ##STR4## (d) ##STR5## and a process for preparing said compounds. Said compounds have valuable fungicidal and miticidal activity.
摘要:
This invention relates to 8-aza-9-oxo(and dioxo)-thia-11,12-secoprostaglandins and processes for their manufacture. These compounds have prostaglandin-like biological activity and are particularly useful as renal vasodilators, for the prevention of thrombus formation, to induce growth hormone release, and as regulators of the immune response.
摘要:
Substituted trifluoromethanesulfonanilides wherein the anilide ring is bonded to a phenyl ring through a linking group selected from --CH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH(CH.sub.3)-- and ##EQU1## and pharmaceutically acceptable salts thereof. These compounds are active anti-microbial agents.