HuagongsheHuagongshe Chemistry Print Report · For research reference only
6-Bromo-1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaphthalene → 2-Methyl-6-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)naphthalene
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 6-Bromo-1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaphthalene | HCID 226685 | — |
| Reactant | 2-Bromo-6-methylnaphthalene | HCID 640592 | — |
| Product | 2-Methyl-6-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)naphthalene | HCID 13473079 | 72.5% |
Reaction Steps
In accordance with the same procedures as in Example 1, part (b), starting with 2-methyl-6-bromonaphthalene (2.21 g, 10 mmoles) and 5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-bromonaphthalene (3.20 g, 12 mmoles), there is obtained after column chromatography (9 hexane, 1 dichloromethane) 2-methyl-6-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)naphthalene (2.38 g, 72%) having a melting point of 173°-175° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04581380 |
| Source dataset | uspto-grants-1986_04 |
| ORD ID | ord-cb6327f2c9684e53ac7d552b1817d1a3 |
| Source note | uspto-grants-1986_04 |