Cyclopentadiene → 826-62-0

HRID 245133

Reaction equation

[CH:1]1[CH2:5][CH:4]=[CH:3][CH:2]=1.[C:6]1(=[O:12])[O:11][C:9](=[O:10])[CH:8]=[CH:7]1>>[CH:3]12[CH2:4][CH:5]([CH:1]=[CH:2]1)[CH:7]1[C:6]([O:11][C:9](=[O:10])[CH:8]21)=[O:12]

Participants

Reactant 2

HCID 7612Cyclopentadiene

HCID 7923Maleic Anhydride

Product 1

HCID 13223826-62-0

Procedure

That is, Diels-Alder reaction between cyclopentadiene (CPD) and maleic anhydride, which gives 5-norbornene-2,3-dicarboxylic anhydride (NDA). Then, the oxidation of NDA for conversion into 1,2,3,4-cyclopentanetetracarboxylic acid (CPTC). Finally, the dehydration of CPTC to give the desired cis, cis, cis-CPDA.

Sources & evidence

ORD record: ord-3045ca358fa3436dae0fda10afd3b58d
Source dataset: uspto-grants-2014_02
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08658743B2

Linked notes

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