Hexahydro-4-methylphthalic anhydride → Hexahydro-3-methylphthalic anhydride

HRID 2164867

Reaction equation

HRID 2164867 reaction equation
C[C:2]12[CH2:11][CH2:10][CH2:9][CH2:8][CH:7]1[C:6](=[O:12])[O:5][C:3]2=[O:4].[CH3:13]C1CCC2C(OC(=O)C2C1)=O>[Ni]>[CH3:13][CH:11]1[CH2:10][CH2:9][CH2:8][CH:7]2[C:6]([O:5][C:3](=[O:4])[CH:2]12)=[O:12]

Participants

4

Reactant 2

HCID 86876Hexahydro-4-methylphthalic anhydrideHCID 3016472Methylhexahydrophthalic anhydride

Product 1

HCID 92666Hexahydro-3-methylphthalic anhydride

Reagents, catalysts & solvents 1

HCID 935NickelCatalyst

Procedure

The aforesaid methylhexahydrophthalic anhydride which was liquid at ordinary temperatures was a mixture of 70% by weight of 4-methylhexahydrophthalic anhydride which was liquid at ordinary temperatures and was obtained by hydrogenating 4-methyl-Δ4 -tetrahydrophthalic anhydride at 150° C. in the presence of Raney nickel catalyst and 30% by weight of 3-methylhexahydrophthalic anhydride which was liquid at ordinary temperatures and was obtained by hydrogenating 3-methyl-Δ4 -tetrahydrophthalic anhydride in the same manner as described above.

Sources & evidence

ORD record
ord-dbb6347822144c8a8c6892ef2a40d3d5
Source dataset
uspto-grants-1985_03
Patent number
US04507460

Linked notes

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