Sulfuric Acid → HCID 13090787, compound

HRID 2413452Notes

Reaction equation

HRID 2413452 reaction equation
[Cl:1][C:2]1[CH:3]=[N:4][C:5]2[C:10]([CH:11]=1)=[CH:9][CH:8]=[C:7]([Cl:12])[C:6]=2[CH:13](Cl)Cl.S(=O)(=O)(O)[OH:17]>>[Cl:1][C:2]1[CH:3]=[N:4][C:5]2[C:10]([CH:11]=1)=[CH:9][CH:8]=[C:7]([Cl:12])[C:6]=2[CH:13]=[O:17]

Participants

3

Reactant 2

HCID 1118Sulfuric AcidHCID 130907853,7-Dichloro-8-(dichloromethyl)quinoline

Product 1

HCID 13090787HCID 13090787, compoundYield 87%

Procedure

56 parts of 3,7-dichloro-8-dichloromethylquinoline in 250 parts of 90% strength sulfuric acid were stirred for 6 hours at 100° C. The solution was cooled and then poured onto ice, and the precipitated solid was filtered off under suction, washed neutral with water and dried to give 39 parts (87% of theory) of 3,7-dichloroquinoline-8-carbaldehyde of melting point 208° C.

Workup

  1. temperatureThe solution was cooled
  2. additionpoured onto ice
  3. filtrationthe precipitated solid was filtered off under suction
  4. washwashed neutral with water
  5. customdried

Sources & evidence

ORD record
ord-40b74716aa4d4f9cace4b06928df461b
Source dataset
uspto-grants-1988_01
Patent number
US04717416

Reaction notes

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