HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Pyrrolidone → 7-amino-5-(o-chlorophenyl)-1,3-dihydro-1,3,3-trimethyl-2H-1,4-benzodiazepin-2-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Pyrrolidone | HCID 12025 | — |
| Reactant | [5-(o-chlorophenyl)-2,3-dihydro-1,3,3-trimethyl-2-oxo-1H-1,4-benzodiazepin-7-yl]isocyanate | HCID 20506146 | — |
| Reactant | N-[5-(o-chlorophenyl)-2,3-dihydro-1,3,3-trimethyl-2-oxo-1H-1,4-benzodiazepin-7-yl]-1-pyrrolidinecarboxamide | HCID 20506173 | — |
| Solvent | Diethylether ethylacetate | HCID 21584169 | — |
| Product | 7-amino-5-(o-chlorophenyl)-1,3-dihydro-1,3,3-trimethyl-2H-1,4-benzodiazepin-2-one | HCID 20506178 | — |
Reaction Steps
From 5.1 g (0.015 mol) of 7-amino-5-(o-chlorophenyl)-1,3-dihydro-1,3,3-trimethyl-2H-1,4-benzodiazepin-2-one and pyrrolidone there is obtained, in analogy to the details in Example 4, via [5-(o-chlorophenyl)-2,3-dihydro-1,3,3-trimethyl-2-oxo-1H-1,4-benzodiazepin-7-yl]isocyanate, N-[5-(o-chlorophenyl)-2,3-dihydro-1,3,3-trimethyl-2-oxo-1H-1,4-benzodiazepin-7-yl]-1 -pyrrolidinecarboxamide of melting point 248°-150° (ethyl acetate/ether).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04377522 |
| Source dataset | uspto-grants-1983_03 |
| ORD ID | ord-8b4d3083e2e744a19d4e567ea2a65631 |
| Source note | uspto-grants-1983_03 |