Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Sodium ethoxide | HCID 2723922 | — |
| Reactant | HCID 12217449 | HCID 12217449 | — |
| Reactant | HCID 13726734 | HCID 13726734 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 13281202 | HCID 13281202 | 56.7% |
Reaction Steps
A mixture of 4-cyanomethyl piperidine-1-carboxaldehyde (4. g, 0.026 M) and 1,3-diaminopropane mono p-toluenesulfonate (7.3 g, 0.052 M) was heated at 100° C. for 1/2 hrs and 200° C. for 2 hrs. The reaction mixture was dissolved in ethanol (50 ml) and sodium ethoxide (0.052 M) was added. The mixture was filtered and the filtrate was stripped to dryness and distilled from about 170° to about 190° C./0.2 mmHg to yield 1,4,5,6-tetrahydro-2-[(4-piperidinyl)methyl]-pyrimidine (2.7 g, 56.7% yield). This compound was characterized as dihydrochloride salt, [mp 279°-28]° C. (EtOH).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US04431653 |
|---|
| Source dataset | uspto-grants-1984_02 |
|---|
| ORD ID | ord-64ff674a7181407ca34c248eb6f5f662 |
|---|
| Source note | uspto-grants-1984_02 |
|---|