HuagongsheHuagongshe Chemistry Print Report · For research reference only
tert-Butyl piperazine-1-carboxylate → 4-(4-Phenoxy-phenyl)-piperazine-1-carboxylic acid tert-butyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | tert-Butyl piperazine-1-carboxylate | HCID 143452 | — |
| Reactant | 4-Iododiphenyl ether | HCID 520399 | — |
| Product | 4-(4-Phenoxy-phenyl)-piperazine-1-carboxylic acid tert-butyl ester | HCID 44818988 | 75.5% |
Reaction Steps
The title compound (3.5 g, 75.5%) was prepared from 1-iodo-4-phenoxy-benzene (3.9 g, 13.1 mmol) and 1-Boc-piperazine (2.5 g, 13.1 mmol) by the procedure described in step 1 of Example 4: MS (ESI) m/z 355 (M+H); 1H NMR (400 MHz, CDCl3) δ 1.49 (s, 9H), 3.08 (t, J=4.8 Hz, 4H), 3.59 (t, J=4.8 Hz, 4H), 6.90-7.09 (m, 7H), 7.27-7.32 (m, 2H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07750012B2 |
| Source dataset | uspto-grants-2010_07 |
| ORD ID | ord-6f04d5d4a66a4353ad9d44d5a53a2723 |
| Source note | uspto-grants-2010_07 |