HuagongsheHuagongshe Chemistry Print Report · For research reference only
tert-Butyl piperazine-1-carboxylate → 4-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-2-cyclopropylmethyl-6-(2,3-dihydro-1-benzofuran-5-yl)-2H-pyridazin-3-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | tert-Butyl piperazine-1-carboxylate | HCID 143452 | — |
| Reactant | 2-cyclopropylmethyl-6-(2,3-dihydro-1-benzofuran-5-yl)-4-(4-methyl-1-piperazinyl)methyl-2H-pyridazin-3-one | HCID 23094112 | — |
| Reactant | 2-cyclopropylmethyl-6-(2,3-dihydro-1-benzofuran-5-yl)-4-methanesulfonyloxymethyl-2H-pyridazin-3-one | HCID 23094121 | — |
| Product | 4-(4-tert-butoxycarbonyl-1-piperazinyl)methyl-2-cyclopropylmethyl-6-(2,3-dihydro-1-benzofuran-5-yl)-2H-pyridazin-3-one | HCID 23094105 | 97.6% |
Reaction Steps
The general procedure of Example 1 (6) was repeated by use of 2-cyclopropylmethyl-6-(2,3-dihydro-1-benzofuran-5-yl)-4-methanesulfonyloxymethyl-2H-pyridazin-3-one and tert-butyl-1-piperazine carboxylate, to thereby yield the title compound as a yellow oil (yield: 97.6%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07314877B2 |
| Source dataset | uspto-grants-2008_01 |
| ORD ID | ord-3ef5752c56e14660840990fdafbb666a |
| Source note | uspto-grants-2008_01 |