HuagongsheHuagongshe Chemistry Print Report · For research reference only
Urea → 7,8-dichloroquinazolin-2,4(1H,3H)-dione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Urea | HCID 1176 | — |
| Reactant | 2-Amino-3,4-dichlorobenzoic acid | HCID 4339585 | — |
| Product | 7,8-dichloroquinazolin-2,4(1H,3H)-dione | HCID 19604315 | — |
Reaction Steps
Prepared according to general method C from 2-amino-3,4-dichlorobenzoic acid (2.23 g) and urea (6.49 g). Yield 2.18 g (87%) of a solid. 1H-NMR (DMSO-δ6) δ (ppm) 11.64 (br s, 1H), 10.87 (br s, 1H), 7.86 (d, J=8.5 Hz, 1H), 7.43 (d, J=8.5 Hz, 1H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08530486B2 |
| Source dataset | uspto-grants-2013_09 |
| ORD ID | ord-79ea5cf4ea604b1f8c5c53097c86851e |
| Source note | uspto-grants-2013_09 |