HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → 8-Ethyl-4-hydrazinyl-7,8-dihydro-2-methyl-6H-pyrimido[5,4-b][1,4]oxazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | HCID 19909617 | HCID 19909617 | — |
| Product | 8-Ethyl-4-hydrazinyl-7,8-dihydro-2-methyl-6H-pyrimido[5,4-b][1,4]oxazine | HCID 19809381 | — |
Reaction Steps
Using the method of Example 87, 4-chloro-6,7-dihydro-8-ethyl-2-methylpyrimido [5,4-b][1,4]oxazine, from Example 102, was reacted with hydrazine hydrate to provide 6,7-dihydro-8-ethyl-4-hydrazino-2-methylpyrimido[5,4-b][1,4]oxazine.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04981850 |
| Source dataset | uspto-grants-1991_01 |
| ORD ID | ord-44e56dfa80304556bd8a5cb21c10c1a2 |
| Source note | uspto-grants-1991_01 |