HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,3-Propanediamine → HCID 19763488, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,3-Propanediamine | HCID 428 | — |
| Reactant | Methyl Benzoate | HCID 7150 | — |
| Product | HCID 19763488 | HCID 19763488 | 79% |
Reaction Steps
With 185 g 1,3-diaminopropane, 136 g benzoic acid methyl ester were reacted under pressure at 200° C. in the reactor. After 3 hours, the excess of diamine was distilled off, and the 2-phenyl-tetrahydropyrimidine was isolated in a 79% yield. Boiling point 165° C./1 mm; melting point=86°-87° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04258186 |
| Source dataset | uspto-grants-1981_03 |
| ORD ID | ord-2f5adba5db884ee380f7cb8c8031258e |
| Source note | uspto-grants-1981_03 |