1,3-Butadiene → Naphthalene

HRID 544354Notes

Reaction equation

HRID 544354 reaction equation
C=CC=C.[C:5]1(=O)[C:14]2[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=2)[C:8](=O)[CH:7]=[CH:6]1>>[CH:13]1[C:14]2[C:9](=[CH:8][CH:7]=[CH:6][CH:5]=2)[CH:10]=[CH:11][CH:12]=1

Participants

3

Reactant 2

HCID 78451,3-ButadieneHCID 85301,4-Naphthoquinone2×

Product 1

HCID 931Naphthalene

Procedure

The present invention relates to a process for purifying crude anthraquinone (hereinafter referred to as "AQ") obtained by the oxidation, by molecular oxygen in the presence of a basic compound, of an adduct obtained by the Diels-Alder (hereinafter referred to as "DA") reaction of butadiene (hereinafter referred to as "BD") with 1,4-naphthoquinone (hereinafter referred to as "NQ") obtained by a catalytic vapor phase oxidation reaction of naphthalene.

Workup

  1. customobtained by the Diels-Alder (

Sources & evidence

ORD record
ord-5adc234cff83442586c28a443d9b39f3
Source dataset
uspto-grants-1984_05
Patent number
US04450111

Reaction notes

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