HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrogen Bromide → HCID 19850133, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrogen Bromide | HCID 260 | — |
| Reactant | HCID 19850140 | HCID 19850140 | — |
| Catalyst | Phosphinic Acid | HCID 4124402 | — |
| Product | HCID 19850133 | HCID 19850133 | — |
Reaction Steps
The product from step (b) (1.8 g) in 48% hydrobromic acid (18 ml) containing hypophosphorous acid (10 drops) was boiled at reflux under nitrogen for 5.5 hr. The solid which separated on cooling the solution was collected and recrystallised from water giving the dihydrobromide salt of the title compound as colourless needles (1.3 g) mp 240.5°-242°-5°.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04657929 |
| Source dataset | uspto-grants-1987_04 |
| ORD ID | ord-c39343be70bb4d9f8fc45b5678f9050b |
| Source note | uspto-grants-1987_04 |