HuagongsheHuagongshe Chemistry Print Report · For research reference only
Cyanoacetic acid → 3-Carene
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Cyanoacetic acid | HCID 9740 | — |
| Reactant | 4,7,7-Trimethylbicyclo[4.1.0]heptane-3-carbaldehyde | HCID 13379033 | — |
| Product | 3-Carene | HCID 26049 | — |
Reaction Steps
The condensation of cyanoacetic acid and 4-formylcarane obtained via the Prins reaction of 3-carene as described in Annalen 613, p. 43 (1958), was carried out according to the procedure of Example 3A. Yield 73% of the isomeric mixture 3-(3,7,7-trimethylbicyclo [4.1.0]heptylidene-4)propanenitrile and 3-(3,7,7-trimethylbicyclo [4.1.0]heptyl-4)acrylonitrile, b.p. 99°-103° C. at 0.6 mm Hg, nD20 =1.4950, with metallic, woody, rosy odour.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04219449 |
| Source dataset | uspto-grants-1980_08 |
| ORD ID | ord-e7fb0a07ed304bbbb871660fab7aa103 |
| Source note | uspto-grants-1980_08 |