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    Isothiazole azo dyestuffs
    83.
    发明专利
    Isothiazole azo dyestuffs 未知

    公开(公告)号：DE3509271A1

    公开(公告)日：1986-09-18

    申请号：DE3509271

    申请日：1985-03-15

    Applicant: BASF AG

    Inventor： SEYBOLD GUENTHER DR ,  HANSEN GUENTER DR ,  SCHEFCZIK ERNST DR ,  BERGMANN UDO DR ,  REICHELT HELMUT DR

    IPC: C09B29/00 ,  C09B29/36 ,  C09B29/039 ,  D06P1/04 ,  D06P3/52

    Abstract: The invention relates to compounds of the general formula I in which D is an isothiazole radical, R and R independently of one another are optionally substituted alkyl, alkenyl or cycloalkyl, and one of the radicals is moreover also hydrogen or optionally substituted aryl, R and R , together with the nitrogen, are a heterocyclic ring, R is nitro, cyano, alkylsulfonyl, carboxylic ester or optionally substituted carbamoyl or sulfamoyl and R is hydrogen or optionally substituted alkyl, cycloalkyl, aryl or hetaryl. The compounds according to the invention are particularly suitable for the dyeing of synthetic polyesters.

    Production of 4,4'-di:halo-di:phenyl-sulphone
    86.
    发明专利
    Production of 4,4'-di:halo-di:phenyl-sulphone 未知

    公开(公告)号：DE19726805A1

    公开(公告)日：1999-01-07

    申请号：DE19726805

    申请日：1997-06-24

    Applicant: BASF AG

    Inventor： BECKMANN STEFAN DR ,  REICHELT HELMUT DR ,  BECK KARL ,  FRIEDRICH KLAUS DR ,  GEHRER EUGEN DR ,  PLESNIVY THOMAS DR

    IPC: C07C315/00 ,  C07C317/14 ,  B01J29/88 ,  C07C315/04

    Abstract: A process for the production of 4,4'-dihalo-diphenyl- sulphones (DHDPSO) comprises reacting chloro-, bromo- or fluoro- benzenes with 4-halophenylsulphonyl chlorides of formula (I); in which X = chlorine, bromine or fluorine. The reaction is carried out in the liquid phase at elevated temperature in presence of solid catalysts with acid centres, comprising (K1) layer silicates with negative layer charges neutralised by protons and essentially not doped with Lewis acids, (K2) zeolites in the acidic H-form, or (K3) mixed oxides with acid centres, consisting of a combination of (a) oxides of titanium, zirconium, hafnium, tin, iron or chromium(III) with (b) oxides of vanadium, chromium(VI), molybdenum, tungsten or scandium, or sulphated or phosphatised oxides of group (a), such mixed oxides having been calcined at 450-800 deg C after combination. Preferably type (K1) comprises aluminium silicate in which part of the silicon is replaced by aluminium and/or part of the Al is replaced by magnesium, especially a montmorillonite. Type (K2) comprises zeolites of structural types MFI, MEL, BOG, BEA, EMT, MOR, FAU, MTW, LTL, NES, CON or MCM 22, especially 12-ring zeolites of the BETA, Y, EMT or mordenite type, or 10-ring zeolites of the pentasil type. Type (K3) may be super-acid mixed oxides, preferably with group (a) oxides and group (b) oxides in a mol ratio of (70:30)-(98:2). The process comprises reacting chlorobenzene (PhCl) with 4-chlorophenyl-sulphonyl chloride (ClPhSOCl) in a mol ratio of 1-100, preferably using excess PhCl, at 100-250 deg C and 1-50 bar, preferably at boiling pt. under normal or autogenous pressure. The catalyst is in the form of a solid bed, and the reaction may be carried out as a continuous process in which excess PhCl is returned to the reactor.

    88.
    发明专利
    未知

    公开(公告)号：ES2103141T3

    公开(公告)日：1997-08-16

    申请号：ES95106327

    申请日：1995-04-27

    Applicant: BASF AG

    Inventor： LAMM GUNTHER DR ,  REICHELT HELMUT DR ,  WIESENFELDT MATTHIAS DR

    IPC: C07D213/71 ,  C09B33/12 ,  C09B33/28

    Abstract: Bis(5-azo-6-hydroxy-4-methyl-3-hydroxysulphonyl-pyrid-2-on- 1-yl) dyes (I) of formula (A), in the form of free acids or their salts, are claimed. In A, A and Y are each -SO3H; Z is D-N=N-; D is the residue of a diazo component; and X is a 2-8 C alkylene opt. with an ether O atom in the chain. Also claimed are bis(6-hydroxy-4-methy-3-hydroxysulphonyl-pyrid-2-on-1-yl) cpds. (II) of formula (A), in which Y is -SO3H and Z is H, in the form of the free acids or salts, and the prepn. of (II).

    89.
    发明专利
    未知

    公开(公告)号：DE19530176A1

    公开(公告)日：1997-02-20

    申请号：DE19530176

    申请日：1995-08-17

    Applicant: BASF AG

    Inventor： LAMM GUNTHER DR ,  REICHELT HELMUT DR

    IPC: C09B33/10 ,  C09B56/00 ,  D06P1/39 ,  C07C311/21

    Abstract: The invention concerns disazo dyes of formula (I) in which: ring A can be benzoanellated; X designates hydrogen or C1-C4 alkyl; R designates hydrogen, C1-C4 alkyl, halogen, carboxyl, C1-C4 alkoxycarbonyl or hydroxysulphonyl; R designates hydrogen, C1-C4 alkyl, halogen, carboxyl or C1-C4 alkoxycarbonyl or R and R together designate a group of formula L-NZ-CO, wherein L stands for methylene or carbonyl and Z stands for optionally substituted C1-C4 alkyl or optionally substituted phenyl; and R designates hydrogen, C1-C4 alkyl, hydroxy, C1-C4 alkoxy, phenoxy, C1-C4 alkanoyloxy or benzoyloxy. The invention further concerns the use of these dyes for dyeing natural or synthetic substrates.

    90.
    发明专利
    未知

    公开(公告)号：DE19504943A1

    公开(公告)日：1996-08-22

    申请号：DE19504943

    申请日：1995-02-15

    Applicant: BASF AG

    Inventor： SENS RUEDIGER DR ,  REICHELT HELMUT DR ,  SALING PETER DR

    IPC: B41M5/39 ,  C07D471/04 ,  C09B23/00 ,  C09B23/02 ,  C09B23/04 ,  C09B23/16 ,  C09B55/00 ,  C09B57/00 ,  D06P1/16 ,  D06P5/13 ,  B41M5/30

    Abstract: (a) 1,2,4-Triazolo(1,5-a)pyridine dyes (I) of formula (I) and (b) 1,2,4-triazolo(1,5-a) pyridines of formula (II) are new (where R2 = OH; SH; opt. substd. 1-20C alkyl, opt. with 1-4 ether O atoms in the chain; or an opt. substd. phenyl, 1-20C alkoxy or 1-20C alkylthio gp.; Q = -CR6=C(CR3R4R5-C(=E-R2)-; R2 = a 5-6-membered carbocyclic or heterocyclic gp., opt. benzo-annelated; R3 = H or opt. substd. 1-4C alkyl; R4 = H or opt. substd. 1-4C alkyl or 1-4C alkoxy; R5 = 1-8C alkyl, opt. with 1 or 2 ether O atoms in the chain and opt. substd. by phenyl or OH; opt. substd. phenyl or thienyl; or 1-4C alkoxy, opt. with an ether O atom in the chain; or CR3R4R5 = 3-7C cycloalkyl, 1-4C haloalkyl or opt. substd. phenyl or thienyl; R6 = CN, carbamoyl, COOH, 1-4C alkoxycarbonyl or benzothiazolyl; E = CH or N; R7 = O, C(CN)2, C(CN)COOL or C(COOL )2; L = 1-8C alkyl, opt. with 1 or 2 ether O atoms in the chain; R8 = H, CHO, NO, CN, 1-4C alkoxymethyl or CH2-NL L ; L , L = H or 1-4C alkyl, opt. with 1-4C alkylimino in the chain; or NR2L3 = a 5-6-membered satd. heterocyclic gp.; R9 = H or as R6; R10 = H, SH, halogen, -NL L or the radical of a CH-acid cpd.). Pref. cpds. are R1 in (I) = 1-13C alkyl, opt. substd. by 1-6C alkanoyloxy, 1-8C alkoxycarbonyl (opt. with 1 or 2 ether O atoms in its alkyl chain), phenyl or 1-4C alkylphenyl and opt. with 1 or 2 ether O atoms in the chain; or opt. substd. phenol; R1 in (II) 1-13C alkyl or phenyl; R2 = a gp. derived from a benzene, indole, quinoline, aminonaphthalene, pyrrole, aminothiazole, benzimidazole, benzothiazole, aminothiophene or diaminopyridine cpd.; CR3R4 = opt. substd. phenyl or thienyl; R5 = 1-5C alkyl or phenyl; R6 = CN; one of R8 and R9 = H and the other = CN, esp. R8 = H and R9 = CN.

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