DE228137C - - Google Patents

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Publication number

DE228137C

DE228137C DENDAT228137D DE228137DA DE228137C DE 228137 C DE228137 C DE 228137C DE NDAT228137 D DENDAT228137 D DE NDAT228137D DE 228137D A DE228137D A DE 228137DA DE 228137 C DE228137 C DE 228137C

Authority

DE

Germany

Prior art keywords

indigo

bromine

sulfuric acid

tri

parts

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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• WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 11
• GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 11
• 229910052794 bromium Inorganic materials 0.000 claims description 11
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
• 229940097275 indigo Drugs 0.000 claims description 8
• 235000000177 Indigofera tinctoria Nutrition 0.000 claims description 7
• COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 claims description 7
• 238000000034 method Methods 0.000 claims description 2
• 230000004048 modification Effects 0.000 claims 1
• 238000012986 modification Methods 0.000 claims 1
• CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 4
• 238000006243 chemical reaction Methods 0.000 description 3
• ZLHGTHCCYUEAIK-UHFFFAOYSA-N 5,7-dibromo-2-(5,7-dibromo-3-hydroxy-1H-indol-2-yl)indol-3-one Chemical compound [O-]c1c([nH]c2c(Br)cc(Br)cc12)C1=[NH+]c2c(cc(Br)cc2Br)C1=O ZLHGTHCCYUEAIK-UHFFFAOYSA-N 0.000 description 2
• 238000001816 cooling Methods 0.000 description 2
• 229910000042 hydrogen bromide Inorganic materials 0.000 description 2
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 230000031709 bromination Effects 0.000 description 1
• 238000005893 bromination reaction Methods 0.000 description 1
• 239000003153 chemical reaction reagent Substances 0.000 description 1
• 239000003086 colorant Substances 0.000 description 1
• 229910017604 nitric acid Inorganic materials 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1