Dicyclopentadiene → Dicyclopentadiene

HRID 1981232Notes

Reaction equation

HRID 1981232 reaction equation
[CH:1]1[CH2:5][CH:4]=[CH:3][CH:2]=1.[CH2:6]1[CH:10]2[CH:11]3[CH:15]=[CH:14][CH:13]([CH:9]2[CH:8]=[CH:7]1)[CH2:12]3>>[CH2:6]1[CH:10]2[CH:11]3[CH:15]=[CH:14][CH:13]([CH:9]2[CH:8]=[CH:7]1)[CH2:12]3.[CH2:7]=[CH:8][C:9](=[CH2:10])[CH3:13].[CH:5]1[CH2:4][CH:3]=[CH:2][CH:1]=1.[CH:5]1[CH2:4][CH:3]=[CH:2][CH:1]=1

Participants

5

Reactant 2

HCID 6492DicyclopentadieneHCID 7612Cyclopentadiene

Product 3

HCID 6492DicyclopentadieneYield 69.1%HCID 7612CyclopentadieneYield 4.7%HCID 22568287HCID 22568287, compoundYield 7.3%

Conditions

Temperature
160 °C

Procedure

A C5 fraction obtained from a naphtha cracking was heated at a temperature of 160° C. for 5 hours, whereby cyclopentadiene contained therein was converted into dicyclopentadiene. Then, the resultant mixture was distilled to strip a light fraction. Thus, a crude dicyclopentadiene containing 14.0% of a C5 fraction, 2.6% of benzene, 69.1% of dicyclopentadiene, 7.3% of a isoprene-cyclopentadiene codimer, 4.7% of a cyclopentadiene oligomer (i.e., a trimer or more) and 2.3% of unknown components was obtained.

Workup

  1. distillationThen, the resultant mixture was distilled

Sources & evidence

ORD record
ord-632f4a10dd7649b6a81ce219ecf65c3f
Source dataset
uspto-grants-1985_04
Patent number
US04513130

Reaction notes

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