CH633308A5 - Process for the preparation of azo dyes - Google Patents
Process for the preparation of azo dyes Download PDFInfo
- Publication number
- CH633308A5 CH633308A5 CH551378A CH551378A CH633308A5 CH 633308 A5 CH633308 A5 CH 633308A5 CH 551378 A CH551378 A CH 551378A CH 551378 A CH551378 A CH 551378A CH 633308 A5 CH633308 A5 CH 633308A5
- Authority
- CH
- Switzerland
- Prior art keywords
- acid
- water
- formula
- coupling
- weight
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 32
- 239000000987 azo dye Substances 0.000 title claims description 14
- 238000002360 preparation method Methods 0.000 title claims description 5
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 57
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 35
- 238000005859 coupling reaction Methods 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 34
- 238000010168 coupling process Methods 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- -1 methoxy, ethoxy Chemical group 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 12
- 150000001989 diazonium salts Chemical class 0.000 claims description 11
- 239000002270 dispersing agent Substances 0.000 claims description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 10
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 claims description 7
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 7
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 7
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical group [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims description 5
- 125000005843 halogen group Chemical group 0.000 claims description 5
- 150000007522 mineralic acids Chemical class 0.000 claims description 5
- 150000007524 organic acids Chemical class 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
- 125000001424 substituent group Chemical group 0.000 claims description 4
- CSNIZNHTOVFARY-UHFFFAOYSA-N 1,2-benzothiazole Chemical compound C1=CC=C2C=NSC2=C1 CSNIZNHTOVFARY-UHFFFAOYSA-N 0.000 claims description 3
- RXQNKKRGJJRMKD-UHFFFAOYSA-N 5-bromo-2-methylaniline Chemical compound CC1=CC=C(Br)C=C1N RXQNKKRGJJRMKD-UHFFFAOYSA-N 0.000 claims description 3
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 claims description 3
- 150000003577 thiophenes Chemical class 0.000 claims description 3
- 150000003852 triazoles Chemical class 0.000 claims description 3
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052801 chlorine Chemical group 0.000 claims description 2
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims description 2
- 229940106681 chloroacetic acid Drugs 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 239000004304 potassium nitrite Substances 0.000 claims 1
- 235000010289 potassium nitrite Nutrition 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000000975 dye Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 10
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 9
- 230000002378 acidificating effect Effects 0.000 description 5
- ACCLIXSHFMDCLV-UHFFFAOYSA-N 3-[n-(2-phenylethyl)anilino]propanenitrile Chemical compound C=1C=CC=CC=1N(CCC#N)CCC1=CC=CC=C1 ACCLIXSHFMDCLV-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 4
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 4
- AQIXEPGDORPWBJ-UHFFFAOYSA-N pentan-3-ol Chemical compound CCC(O)CC AQIXEPGDORPWBJ-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- SNTWKPAKVQFCCF-UHFFFAOYSA-N 2,3-dihydro-1h-triazole Chemical compound N1NC=CN1 SNTWKPAKVQFCCF-UHFFFAOYSA-N 0.000 description 2
- MIHADVKEHAFNPG-UHFFFAOYSA-N 2-Amino-5-nitrothiazole Chemical compound NC1=NC=C([N+]([O-])=O)S1 MIHADVKEHAFNPG-UHFFFAOYSA-N 0.000 description 2
- 229940018167 2-amino-5-nitrothiazole Drugs 0.000 description 2
- FENJKTQEFUPECW-UHFFFAOYSA-N 3-anilinopropanenitrile Chemical compound N#CCCNC1=CC=CC=C1 FENJKTQEFUPECW-UHFFFAOYSA-N 0.000 description 2
- XMXLBDNVSIHRRA-UHFFFAOYSA-N 4,5-dimethyl-1,3-thiazol-2-amine Chemical compound CC=1N=C(N)SC=1C XMXLBDNVSIHRRA-UHFFFAOYSA-N 0.000 description 2
- PCWGTDULNUVNBN-UHFFFAOYSA-N 4-methylpentan-1-ol Chemical compound CC(C)CCCO PCWGTDULNUVNBN-UHFFFAOYSA-N 0.000 description 2
- KZHGPDSVHSDCMX-UHFFFAOYSA-N 6-methoxy-1,3-benzothiazol-2-amine Chemical compound COC1=CC=C2N=C(N)SC2=C1 KZHGPDSVHSDCMX-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- 238000006149 azo coupling reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 150000008049 diazo compounds Chemical class 0.000 description 2
- 229940093915 gynecological organic acid Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 150000003513 tertiary aromatic amines Chemical class 0.000 description 2
- JSKJAICVFPRVHJ-UHFFFAOYSA-N 2,1-benzothiazol-3-amine Chemical compound C1=CC=CC2=C(N)SN=C21 JSKJAICVFPRVHJ-UHFFFAOYSA-N 0.000 description 1
- YKBXWAQJCNUBTG-UHFFFAOYSA-N 2-amino-5-nitro-1,3-thiazole-4-carbonitrile Chemical compound NC1=NC(C#N)=C([N+]([O-])=O)S1 YKBXWAQJCNUBTG-UHFFFAOYSA-N 0.000 description 1
- CFKZMYPOJOKAAD-UHFFFAOYSA-N 2-amino-5-nitrothiophene-3-carbonitrile Chemical compound NC=1SC([N+]([O-])=O)=CC=1C#N CFKZMYPOJOKAAD-UHFFFAOYSA-N 0.000 description 1
- UHGULLIUJBCTEF-UHFFFAOYSA-N 2-aminobenzothiazole Chemical compound C1=CC=C2SC(N)=NC2=C1 UHGULLIUJBCTEF-UHFFFAOYSA-N 0.000 description 1
- XVGHZFWFGXDIOU-UHFFFAOYSA-N 2-aminothiophene-3-carbonitrile Chemical compound NC=1SC=CC=1C#N XVGHZFWFGXDIOU-UHFFFAOYSA-N 0.000 description 1
- ZTTPWPKJVSSSMW-UHFFFAOYSA-N 3-(n-benzylanilino)propanenitrile Chemical compound C=1C=CC=CC=1N(CCC#N)CC1=CC=CC=C1 ZTTPWPKJVSSSMW-UHFFFAOYSA-N 0.000 description 1
- XAIYKSRYTHOEOI-UHFFFAOYSA-N 3-[n-[(2,4-dibutylphenyl)methyl]anilino]propanenitrile Chemical compound CCCCC1=CC(CCCC)=CC=C1CN(CCC#N)C1=CC=CC=C1 XAIYKSRYTHOEOI-UHFFFAOYSA-N 0.000 description 1
- PQLVDLKCNMMUGJ-UHFFFAOYSA-N 3-[n-[(2-chlorophenyl)methyl]anilino]propanenitrile Chemical compound ClC1=CC=CC=C1CN(CCC#N)C1=CC=CC=C1 PQLVDLKCNMMUGJ-UHFFFAOYSA-N 0.000 description 1
- XNWPRTZGZZOGPZ-UHFFFAOYSA-N 3-[n-[(2-methoxyphenyl)methyl]anilino]propanenitrile Chemical compound COC1=CC=CC=C1CN(CCC#N)C1=CC=CC=C1 XNWPRTZGZZOGPZ-UHFFFAOYSA-N 0.000 description 1
- WVPXMWPWTFFUAO-UHFFFAOYSA-N 3-[n-[(4-ethylphenyl)methyl]anilino]propanenitrile Chemical compound C1=CC(CC)=CC=C1CN(CCC#N)C1=CC=CC=C1 WVPXMWPWTFFUAO-UHFFFAOYSA-N 0.000 description 1
- ZQHZFXCBCHVEPM-UHFFFAOYSA-N 3-[n-[(4-methylphenyl)methyl]anilino]propanenitrile Chemical compound C1=CC(C)=CC=C1CN(CCC#N)C1=CC=CC=C1 ZQHZFXCBCHVEPM-UHFFFAOYSA-N 0.000 description 1
- FOGBUCFVTAHWCG-UHFFFAOYSA-N 3-[n-[2-(2,4-dichlorophenyl)ethyl]anilino]propanenitrile Chemical compound ClC1=CC(Cl)=CC=C1CCN(CCC#N)C1=CC=CC=C1 FOGBUCFVTAHWCG-UHFFFAOYSA-N 0.000 description 1
- KTTZVWOIYVUBCD-UHFFFAOYSA-N 3-[n-[2-(2,4-dimethoxyphenyl)ethyl]anilino]propanenitrile Chemical compound COC1=CC(OC)=CC=C1CCN(CCC#N)C1=CC=CC=C1 KTTZVWOIYVUBCD-UHFFFAOYSA-N 0.000 description 1
- HPHHHVQQTNRXMR-UHFFFAOYSA-N 3-[n-[2-(2-bromophenyl)ethyl]anilino]propanenitrile Chemical compound BrC1=CC=CC=C1CCN(CCC#N)C1=CC=CC=C1 HPHHHVQQTNRXMR-UHFFFAOYSA-N 0.000 description 1
- JYQBOTPAEHEOJE-UHFFFAOYSA-N 3-[n-[2-(2-chlorophenyl)ethyl]anilino]propanenitrile Chemical compound ClC1=CC=CC=C1CCN(CCC#N)C1=CC=CC=C1 JYQBOTPAEHEOJE-UHFFFAOYSA-N 0.000 description 1
- IOIDIMIIKMOHCS-UHFFFAOYSA-N 3-[n-[2-(3-methoxyphenyl)ethyl]anilino]propanenitrile Chemical compound COC1=CC=CC(CCN(CCC#N)C=2C=CC=CC=2)=C1 IOIDIMIIKMOHCS-UHFFFAOYSA-N 0.000 description 1
- UQCZNFYBGRCKCK-UHFFFAOYSA-N 3-[n-[2-(4-methoxyphenyl)ethyl]anilino]propanenitrile Chemical compound C1=CC(OC)=CC=C1CCN(CCC#N)C1=CC=CC=C1 UQCZNFYBGRCKCK-UHFFFAOYSA-N 0.000 description 1
- OYZHSRJEUNAFRV-UHFFFAOYSA-N 3-nitrothiophen-2-amine Chemical compound NC=1SC=CC=1[N+]([O-])=O OYZHSRJEUNAFRV-UHFFFAOYSA-N 0.000 description 1
- UZFMOKQJFYMBGY-UHFFFAOYSA-N 4-hydroxy-TEMPO Chemical compound CC1(C)CC(O)CC(C)(C)N1[O] UZFMOKQJFYMBGY-UHFFFAOYSA-N 0.000 description 1
- OUQMXTJYCAJLGO-UHFFFAOYSA-N 4-methyl-1,3-thiazol-2-amine Chemical compound CC1=CSC(N)=N1 OUQMXTJYCAJLGO-UHFFFAOYSA-N 0.000 description 1
- NDWBXTNRCBNGAK-UHFFFAOYSA-N 4-methyl-5-nitro-1,3-thiazol-2-amine Chemical compound CC=1N=C(N)SC=1[N+]([O-])=O NDWBXTNRCBNGAK-UHFFFAOYSA-N 0.000 description 1
- IGOFERRFCRPIHL-UHFFFAOYSA-N 4-methyl-5-nitrothiophen-2-amine Chemical compound CC=1C=C(N)SC=1[N+]([O-])=O IGOFERRFCRPIHL-UHFFFAOYSA-N 0.000 description 1
- XPYJFCKUPMJFHE-UHFFFAOYSA-N 4-nitro-1,3-benzothiazol-2-amine Chemical compound C1=CC=C2SC(N)=NC2=C1[N+]([O-])=O XPYJFCKUPMJFHE-UHFFFAOYSA-N 0.000 description 1
- GISCGLDZXOXKBZ-UHFFFAOYSA-N 5-aminothiophene-2-carbonitrile Chemical compound NC1=CC=C(C#N)S1 GISCGLDZXOXKBZ-UHFFFAOYSA-N 0.000 description 1
- LVZXKIHSMKEBRO-UHFFFAOYSA-N 5-bromothiophen-2-amine Chemical compound NC1=CC=C(Br)S1 LVZXKIHSMKEBRO-UHFFFAOYSA-N 0.000 description 1
- SQBCSDZTDXLTLE-UHFFFAOYSA-N 5-nitro-2,1-benzothiazol-3-amine Chemical compound C1=CC([N+]([O-])=O)=CC2=C(N)SN=C21 SQBCSDZTDXLTLE-UHFFFAOYSA-N 0.000 description 1
- APOCIEHULBMMKH-UHFFFAOYSA-N 5-nitro-4-(trifluoromethyl)-1,3-thiazol-2-amine Chemical compound NC1=NC(C(F)(F)F)=C([N+]([O-])=O)S1 APOCIEHULBMMKH-UHFFFAOYSA-N 0.000 description 1
- SRSNXASTSVBKPJ-UHFFFAOYSA-N 5-nitro-4-phenyl-1,3-thiazol-2-amine Chemical compound S1C(N)=NC(C=2C=CC=CC=2)=C1[N+]([O-])=O SRSNXASTSVBKPJ-UHFFFAOYSA-N 0.000 description 1
- PSRZQUKEUSRHJJ-UHFFFAOYSA-N 5-nitrothiophen-2-amine Chemical compound NC1=CC=C([N+]([O-])=O)S1 PSRZQUKEUSRHJJ-UHFFFAOYSA-N 0.000 description 1
- VMNXKIDUTPOHPO-UHFFFAOYSA-N 6-chloro-1,3-benzothiazol-2-amine Chemical compound C1=C(Cl)C=C2SC(N)=NC2=C1 VMNXKIDUTPOHPO-UHFFFAOYSA-N 0.000 description 1
- KOYJWFGMEBETBU-UHFFFAOYSA-N 6-ethoxy-1,3-benzothiazol-2-amine Chemical compound CCOC1=CC=C2N=C(N)SC2=C1 KOYJWFGMEBETBU-UHFFFAOYSA-N 0.000 description 1
- YGUOZZPTJINEMV-UHFFFAOYSA-N 6-ethoxy-5-methoxy-1,3-benzothiazol-2-amine Chemical compound C1=C(OC)C(OCC)=CC2=C1N=C(N)S2 YGUOZZPTJINEMV-UHFFFAOYSA-N 0.000 description 1
- ZYHNHJAMVNINSY-UHFFFAOYSA-N 6-methylsulfonyl-1,3-benzothiazol-2-amine Chemical compound CS(=O)(=O)C1=CC=C2N=C(N)SC2=C1 ZYHNHJAMVNINSY-UHFFFAOYSA-N 0.000 description 1
- GPNAVOJCQIEKQF-UHFFFAOYSA-N 6-nitro-1,3-benzothiazol-2-amine Chemical compound C1=C([N+]([O-])=O)C=C2SC(N)=NC2=C1 GPNAVOJCQIEKQF-UHFFFAOYSA-N 0.000 description 1
- QXUUUKIOABPJFD-UHFFFAOYSA-N 7-nitro-1,2-benzothiazol-3-amine Chemical compound C1=CC=C2C(N)=NSC2=C1[N+]([O-])=O QXUUUKIOABPJFD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical class ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012954 diazonium Substances 0.000 description 1
- 238000006193 diazotization reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- UXDKVBJDZDRIKL-UHFFFAOYSA-N ethyl 2-amino-5-nitrothiophene-3-carboxylate Chemical compound CCOC(=O)C=1C=C([N+]([O-])=O)SC=1N UXDKVBJDZDRIKL-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229940013688 formic acid Drugs 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229940095574 propionic acid Drugs 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003799 water insoluble solvent Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
- C09B29/08—Amino benzenes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
- C09B29/08—Amino benzenes
- C09B29/0805—Amino benzenes free of acid groups
- C09B29/0807—Amino benzenes free of acid groups characterised by the amino group
- C09B29/0809—Amino benzenes free of acid groups characterised by the amino group substituted amino group
- C09B29/0811—Amino benzenes free of acid groups characterised by the amino group substituted amino group further substituted alkylamino, alkenylamino, alkynylamino, cycloalkylamino aralkylamino or arylamino
- C09B29/0823—Amino benzenes free of acid groups characterised by the amino group substituted amino group further substituted alkylamino, alkenylamino, alkynylamino, cycloalkylamino aralkylamino or arylamino substituted by CN
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B41/00—Special methods of performing the coupling reaction
- C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
- C09B41/002—Special methods of performing the coupling reaction characterised by the coupling medium containing a solvent
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plural Heterocyclic Compounds (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772722768 DE2722768A1 (de) | 1977-05-20 | 1977-05-20 | Verfahren zur herstellung von azofarbstoffen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH633308A5 true CH633308A5 (en) | 1982-11-30 |
Family
ID=6009438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH551378A CH633308A5 (en) | 1977-05-20 | 1978-05-22 | Process for the preparation of azo dyes |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5410332A (it) |
| CH (1) | CH633308A5 (it) |
| DE (1) | DE2722768A1 (it) |
| FR (1) | FR2391253A2 (it) |
| GB (1) | GB1587179A (it) |
| IT (1) | IT1158719B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN169343B (it) * | 1986-04-05 | 1991-09-28 | Cassella Farbwerke Mainkur Ag | |
| US4987502A (en) * | 1986-10-06 | 1991-01-22 | Eastman Kodak Company | Anti-wear disk drive system |
| JP3318109B2 (ja) * | 1994-03-25 | 2002-08-26 | ダイスタージャパン株式会社 | 水不溶性モノアゾ染料 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE471540A (it) * | 1946-03-01 | |||
| FR1537367A (fr) * | 1966-09-22 | 1968-08-23 | Ciba Geigy | Procédé de fabrication de colorants azoïques pigmentaires |
-
1977
- 1977-05-20 DE DE19772722768 patent/DE2722768A1/de not_active Withdrawn
-
1978
- 1978-05-18 JP JP5834078A patent/JPS5410332A/ja active Pending
- 1978-05-19 FR FR7814871A patent/FR2391253A2/fr active Pending
- 1978-05-19 IT IT23616/78A patent/IT1158719B/it active
- 1978-05-19 GB GB20710/78A patent/GB1587179A/en not_active Expired
- 1978-05-22 CH CH551378A patent/CH633308A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT1158719B (it) | 1987-02-25 |
| JPS5410332A (en) | 1979-01-25 |
| DE2722768A1 (de) | 1978-11-30 |
| IT7823616A0 (it) | 1978-05-19 |
| FR2391253A2 (fr) | 1978-12-15 |
| GB1587179A (en) | 1981-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |