Maleic Anhydride → Gamma-Butyrolactone

HRID 2414448Notes

Reaction equation

HRID 2414448 reaction equation
[C:1]1(=O)[O:6][C:4](=[O:5])[CH:3]=[CH:2]1>O1CCCC1>[C:4]1(=[O:5])[O:6][CH2:1][CH2:2][CH2:3]1.[CH2:1]([OH:6])[CH2:2][CH2:3][CH2:4][OH:5]

Participants

4

Reactant 1

HCID 7923Maleic Anhydride

Product 2

HCID 7302Gamma-ButyrolactoneHCID 80641,4-Butanediol

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

The maleic anhydride obtained can be further processed to give γ-butyrolactone, tetrahydrofuran, 1,4-butanediol or mixtures thereof, for example by direct hydrogenation of maleic anhydride in the gas phase as described in WO 97/43234 or by hydrogenation of a maleic diester in the gas phase as described in WO 97/43242.

Sources & evidence

ORD record
ord-8dd20699a6f046b8a066eaab27cbaaf7
Source dataset
uspto-grants-2004_11
Patent number
US06812351B2

Reaction notes

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