HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hexahydro-4-methylphthalic anhydride → Hexahydro-3-methylphthalic anhydride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hexahydro-4-methylphthalic anhydride | HCID 86876 | — |
| Reactant | Methylhexahydrophthalic anhydride | HCID 3016472 | — |
| Catalyst | Nickel | HCID 935 | — |
| Product | Hexahydro-3-methylphthalic anhydride | HCID 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
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04507460 |
| Source dataset | uspto-grants-1985_03 |
| ORD ID | ord-dbb6347822144c8a8c6892ef2a40d3d5 |
| Source note | uspto-grants-1985_03 |