Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Pyridine | HCID 1049 | — |
| Reactant | P,P-Diphenylphosphinic azide | HCID 199401 | — |
| Reactant | 5-(Tert-butoxy)-5-oxopentanoic acid | HCID 11424021 | — |
| Product | Tert-butyl 4-isocyanatobutanoate | HCID 20525055 | — |
Reaction Steps
Diphenylphosphoryl azide (12.25 g.) was added dropwise to a solution of glutaric acid mono-tert-butyl ester (8.38 g.) in dry pyridine (37 ml.) and stirred at 90° C. for 40 minutes to give 3-tert-butoxycarbonylpropyl isocyanate (I.R.: 2270 cm-1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US04349552 |
|---|
| Source dataset | uspto-grants-1982_09 |
|---|
| ORD ID | ord-10d23f7a3bde446d811e62e74643a032 |
|---|
| Source note | uspto-grants-1982_09 |
|---|
