DE186883C - - Google Patents

Info

Publication number

DE186883C

DE186883C DENDAT186883D DE186883DA DE186883C DE 186883 C DE186883 C DE 186883C DE NDAT186883 D DENDAT186883 D DE NDAT186883D DE 186883D A DE186883D A DE 186883DA DE 186883 C DE186883 C DE 186883C

Authority

DE

Germany

Prior art keywords

acid

fuming sulfuric

sulfuric acid

naphtimidazole

aminophenyl

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

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• 239000002253 acid Substances 0.000 description 8
• HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 6
• LJGHYPLBDBRCRZ-UHFFFAOYSA-N 3-(3-aminophenyl)sulfonylaniline Chemical group NC1=CC=CC(S(=O)(=O)C=2C=C(N)C=CC=2)=C1 LJGHYPLBDBRCRZ-UHFFFAOYSA-N 0.000 description 3
• 150000008064 anhydrides Chemical class 0.000 description 3
• 239000000975 dye Substances 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
• 238000000034 method Methods 0.000 description 2
• 238000005987 sulfurization reaction Methods 0.000 description 2
• GOJUJUVQIVIZAV-UHFFFAOYSA-N 2-amino-4,6-dichloropyrimidine-5-carbaldehyde Chemical compound NC1=NC(Cl)=C(C=O)C(Cl)=N1 GOJUJUVQIVIZAV-UHFFFAOYSA-N 0.000 description 1
• ZETIVVHRRQLWFW-UHFFFAOYSA-N 3-nitrobenzaldehyde Chemical compound [O-][N+](=O)C1=CC=CC(C=O)=C1 ZETIVVHRRQLWFW-UHFFFAOYSA-N 0.000 description 1
• RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
• 230000002378 acidificating effect Effects 0.000 description 1
• 150000007513 acids Chemical class 0.000 description 1
• -1 benzylidene compound Chemical class 0.000 description 1
• 239000003638 chemical reducing agent Substances 0.000 description 1
• 150000001879 copper Chemical class 0.000 description 1
• 229910052802 copper Inorganic materials 0.000 description 1
• 239000010949 copper Substances 0.000 description 1
• 150000008049 diazo compounds Chemical class 0.000 description 1
• 239000005457 ice water Substances 0.000 description 1
• 229910052500 inorganic mineral Inorganic materials 0.000 description 1
• 239000011707 mineral Substances 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1