HuagongsheHuagongshe Chemistry Print Report · For research reference only
Lawesson's reagent → 2-Ethyl-1-phenyl-1H-quinazolin-4-thione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Lawesson's reagent | HCID 87949 | — |
| Reactant | 2-Ethyl-1-phenyl-1H-quinazolin-4-one | HCID 66991027 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | 2-Ethyl-1-phenyl-1H-quinazolin-4-thione | HCID 86635529 | — |
Reaction Steps
1.50 g (5.99 mmol) 2-ethyl-1-phenyl-1H-quinazolin-4-one and 2.42 g (5.99 mmol) Lawesson's reagent (C14H14O2P2S4, Fluka) were suspended in 40 ml toluene and boiled for 1 h. After evaporation the crude mixture was purified by column chromatography on silica gel, eluent dichloromethane/acetone 95/5.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08058431B2 |
| Source dataset | uspto-grants-2011_11 |
| ORD ID | ord-551f6864684842a4b28a5737d7b2c144 |
| Source note | uspto-grants-2011_11 |