Naphthalene → Anthraquinone

HRID 27052

Reaction equation

HRID 27052 reaction equation
C1C2C(=CC=CC=2)C=CC=1.C=CC=C.[CH2:15]1[C:28]2[C:27](=[O:29])[C:26]3[C:21](=[CH:22][CH:23]=[CH:24][CH:25]=3)[C:20](=[O:30])[C:19]=2[CH2:18][CH2:17][CH2:16]1>>[CH:22]1[C:21]2[C:20](=[O:30])[C:19]3[C:28](=[CH:15][CH:16]=[CH:17][CH:18]=3)[C:27](=[O:29])[C:26]=2[CH:25]=[CH:24][CH:23]=1

Participants

4

Reactant 3

HCID 931Naphthalene5×HCID 78451,3-Butadiene3×HCID 219295Tetrahydroanthraquinone

Product 1

HCID 6780Anthraquinone

Procedure

Provided that volatile or gaseous compounds are used as the compounds with an alkaline reaction, these compounds can be added at one or more points between the reactor in which naphthalene is oxidised and the reactor in which the reaction with butadiene takes place, or into one or more of the gas streams which are recycled to the naphthalene oxidation. For example, volatile or gaseous compounds with an alkaline reaction can be added at the following points: between the reactor in which naphthalene is oxidised and the quenching and/or cooling device, into the quenching and/or cooling device, between the quenching and/or cooling device and the reactor in which the reaction with butadiene takes place, into the reactor in which the reaction with butadiene takes place, into the gases which are recycled from the quenching and/or cooling to the naphthalene oxidation or into the gases which are recycled to the naphthalene oxidation from the oxidation of tetrahydroanthraquinone to give anthraquinone. If non-volatile compounds with an alkaline reaction are used, it is appropriate to add the latter at points at which a liquid product is present, is conveyed or is formed immediately after the addition of the compound with an alkaline reaction. For example, non-volatile compounds with an alkaline reaction can be added at the following points: shortly before or at the entry of the gases from the naphthalene oxidation into the quenching and/or cooling device, into the quenching and/or cooling device, between the quenching and/or cooling device and the reactor in which the reaction with butadiene takes place, or into the reactor in which the reaction with butadiene takes place.

Workup

  1. customProvided that volatile or gaseous compounds
  2. customare used as the compounds with an alkaline reaction
  3. additioncan be added at the following points
  4. temperaturethe quenching and/or cooling device
  5. temperatureinto the quenching and/or cooling device
  6. temperaturebetween the quenching and/or cooling device

Sources & evidence

ORD record
ord-23539b072d454f0d815ac1c50ac5eaff
Source dataset
uspto-grants-1980_09
Patent number
US04220597

Linked notes

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