HuagongsheHuagongshe Chemistry Print Report · For research reference only
3,4-Diaminopyridine → HCID 19883518, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 3,4-Diaminopyridine | HCID 5918 | — |
| Reactant | Tetrahydrofuran | HCID 8028 | — |
| Reactant | Methyl isothiocyanate | HCID 11167 | — |
| Solvent | Acetonitrile | HCID 6342 | — |
| Product | HCID 19883518 | HCID 19883518 | — |
Reaction Steps
A mixture of 4.4 parts of 3,4-pyridinediamine, 4.0 parts of isothiocyanatomethane, 90 parts of tetrahydrofuran and 40 parts of acetonitrile was stirred and refluxed overnight. The reaction mixture was evaporated, yielding 7.3 parts of N-(3-amino-4-pyridinyl)-N'-methylthiourea as a residue (intermediate 95).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05057525 |
| Source dataset | uspto-grants-1991_10 |
| ORD ID | ord-94d582f7a9484ac28ed720eaefbd342f |
| Source note | uspto-grants-1991_10 |