HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phosphorus tribromide → 3-Ethyl-6-(3,4-dimethoxyphenyl)-3-hexenyl bromide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phosphorus tribromide | HCID 24614 | — |
| Reactant | Lithium Bromide | HCID 82050 | — |
| Reactant | 2-(3,4-Dimethoxyphenyl)ethyl 1-ethylcyclopropyl carbinol | HCID 23455766 | — |
| Catalyst | Zinc bromide | HCID 10421208 | — |
| Product | 3-Ethyl-6-(3,4-dimethoxyphenyl)-3-hexenyl bromide | HCID 54154644 | — |
Reaction Steps
3-Ethyl-6-(3,4-dimethoxyphenyl)-3-hexenyl bromide [V; Ar is 3,4-(CH3O)2C6H3, R is C2H5 ] was prepared from 16 g. of 2-(3,4-dimethoxyphenyl)ethyl 1-ethylcyclopropyl carbinol (Preparation B4), 16.8 g. of phosphorus tribromide, 16.8 g. of lithium bromide and 17.6 g. of zinc bromide according to the procedure given above in Preparation C1. The product was used directly in the succeeding step (Preparation D4) without isolation.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04171378 |
| Source dataset | uspto-grants-1979_10 |
| ORD ID | ord-16268ad4cefd4d79a3bfaaaf9c1fd43d |
| Source note | uspto-grants-1979_10 |