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11. 发明专利

IN157496B PROCESS FOR PREPARING WATER SOLUBLE MONOAZOPYRAZOLONE COMPOUNDS 未知
公开(公告)号：IN157496B
公开(公告)日：1986-04-12
申请号：IN949CA1982
申请日：1982-08-13
申请人： HOECHST AG
发明人： KOHLHAAS FOLKER , MEININGER FRITZ , STEUERNAGEL HANS HELMUT
IPC分类号： C09B62/51 , C09B62/085 , C09B62/44 , D06P1/382 , D06P1/384 , D06P3/10 , D06P3/66 , C09B29/00
摘要： 1. Water-soluble monoazo compounds of the general Formula (1) see diagramm : EP0073406,P17,F1 in which D is a phenyl or naphthyl radical, either of which is substituted and mandatorily contains at least one group which imparts solubility in water, one of the substituents can also contain, or be, a group of the formula -SO2 -Z, in which Z represents the beta-hydroxyethyl group or a group Y of the meaning indicated below, M is a hydrogen atom or the equivalent of a monovalent, divalent or trivalent metal, R is the methyl group, a carboxy group or a carbalkoxy group of 1 to 4 C atoms in the alkyl radical, R**1 is a hydrogen atom or an alkyl group of 1 to 4 C atoms, R**2 is a hydrogen atom, an alkyl group of 1 to 4 C atoms, an alkoxy group of 1 to 4 C atoms or a chlorine atom, R**3 is hydrogen atom, an alkyl group of 1 to 4 C atoms or an alkoxy group of 1 to 4 C atoms, the formula moieties R**1 , R**2 , R**3 and R can be identical to or different from one another, Y is the vinyl group, or an ethyl group which contains, in the beta-position, a radical which can be eliminated as an anion under alkaline conditions, Hal is a chlorine or fluorine atom.

12. 发明专利

BR8206185A 未知
公开(公告)号：BR8206185A
公开(公告)日：1983-09-20
申请号：BR8206185
申请日：1982-10-22
申请人： HOECHST AG
发明人： KOHLHAAS FOLKER , MEININGER FRITZ
IPC分类号： C09B29/01 , C09B29/36 , C09B29/42 , C09B62/085 , C09B62/44 , C09B62/45 , C09B62/51 , D06P1/38 , D06P3/10 , D06P3/66 , C07D401/12
摘要： 1. Water-soluble monoazo compounds corresponding to the general formula (1) in which : see diagramm : EP0078024,P21,F1 R**1 is a hydrogen atom, a lower alkyl group, a lower alkoxy group or a chlorine atom ; R**2 is a hydrogen atom, a lower alkyl group or a lower alkoxy group ; R**3 is a hydrogen atom or a lower alkyl group which can be substituted by a hydroxy group, a lower alkanoylamino group, a sulfato group, a carboxy group or a sulfo group ; R is a hydrogen atom, the sulfomethyl group, the carbamoyl group, the cyano group or the sulfo group ; D is the m- or p-phenylene radical which are substituted by one or two sulfo groups or by one or two sulfo groups and one lower alkyl group ; X is a monosulfophenoxy group ; Y is the vinyl group, or an ethyl group which, in the beta-position, contains a radical capable of being eliminated under alkaline conditions as an anion ; the formula moieties R**1, R**2, R**3 and R have meanings which are identical to or different from one another.

13. 发明专利

CA1060436A PROCESS FOR PREPARING REACTIVE XANTHENE DYESTUFFS 未知
公开(公告)号：CA1060436A
公开(公告)日：1979-08-14
申请号：CA205448
申请日：1974-07-23
申请人： HOECHST AG
发明人： KOHLHAAS FOLKER , MEININGER FRITZ
IPC分类号： C09B62/503 , C09B62/443 , D06P1/384 , C07D311/82
摘要： An improved process for the preparation of a fiber-reactive dyestuff of the xanthylium-9-phenyl-2'-sulfonate series which contains in the 3position an amino radical of the formula -NR1R2 in which R1 and R2 each are hydrogen or optionally substituted alkyl, and containing in 6-position an amino radical of the formula in which R3 is hydrogen or alkyl, A is a mononuclear or binuclear aromatic radical, m is 0, 1 or 2, n is 0 or 1 and p is 1 or 2, and in which .gamma. is a fiber-reactive group of the formula (2) or (3) wherein R4 is hydrogen or alkyl, q is 0 or 1 and Z is hydroxy, sulfato, phosphato, halogen or an acyloxy group, in which process 1 mol of a 3,6-dihalogeno-xanthylium-9-phenyl-2'-sulfonate compound is reacted step wise with at least 1 mol of each of two amino compounds corresponding to the required 3- and 6substituents in the dyestuff, in a purely organic medium, the monocondensation product first formed being subsequently reacted, after neutralizing the acid formed, with the second amino compound, the reactions being carried out between about 70 and about 200.degree.C in the presence of an acid-binding agent, and the diamino-xanthylium compound thus formed is optionally esterified in the .beta.-hy-droxy-ethylsulfone group by means of a sulfatizing, a phosphorylating, a halogenating or an acylating agent, the esterified dyestuff thus obtained being optionally converted into a dyestuff containing the group of formula (2) by treating it with an alkaline agent, characterized by carrying out the reactions mentioned without isolating any intermediate in a solvent containing carbonamide groups, or in a polar aprotic solvent, whereby precipitation and drying of said diamino-xanthylium compound is no longer necessary. This implies a considerable saving of time, the amounts of esterification agents are considerably reduced, and smaller reaction volumes can be used so that the space/time yield as well as the yields of dyestuffs are increased substantially.

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