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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2164867Generated: October 25, 2026

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

https://huagongshe.com/reaction/2164867

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHexahydro-4-methylphthalic anhydrideHCID 86876—
ReactantMethylhexahydrophthalic anhydrideHCID 3016472—
CatalystNickelHCID 935—
ProductHexahydro-3-methylphthalic anhydrideHCID 92666—

Reaction Steps

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.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04507460
Source datasetuspto-grants-1985_03
ORD IDord-dbb6347822144c8a8c6892ef2a40d3d5
Source noteuspto-grants-1985_03