HuagongsheHuagongshe Chemistry Print Report · For research reference only
Triphenylphosphine → 4-(1-Oxo-1,2,3,4-tetrahydro-2,4a,5-triaza-fluoren-7-yloxy)-piperidine-1-carboxylic acid tert-butyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Triphenylphosphine | HCID 11776 | — |
| Reactant | Tert-butyl 4-hydroxypiperidine-1-carboxylate | HCID 643502 | — |
| Reactant | Di-tert-butyl diazene-1,2-dicarboxylate | HCID 6034084 | — |
| Reactant | 7-hydroxy-3,4-dihydro-2H-2,4a,5-triaza-fluoren-1-one | HCID 68464031 | — |
| Product | 4-(1-Oxo-1,2,3,4-tetrahydro-2,4a,5-triaza-fluoren-7-yloxy)-piperidine-1-carboxylic acid tert-butyl ester | HCID 68464727 | 70% |
Reaction Steps
The title compound was synthesized in analogy to example 1, from 7-hydroxy-3,4-dihydro-2H-2,4a,5-triaza-fluoren-1-one (example 84, intermediate a)), tert-butyl 4-hydroxy-1-piperidinecarboxylate (commercially available), triphenylphosphine and di-tert-butylazodicarboxylate, to give the desired product as a light brown solid (70%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07579351B2 |
| Source dataset | uspto-grants-2009_08 |
| ORD ID | ord-40f83609e58346439333069c4fb7dc61 |
| Source note | uspto-grants-2009_08 |