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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1856377Generated: November 3, 2026

Cyanoacetic acid → 3-Carene

https://huagongshe.com/reaction/1856377

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyanoacetic acidHCID 9740—
Reactant4,7,7-Trimethylbicyclo[4.1.0]heptane-3-carbaldehydeHCID 13379033—
Product3-CareneHCID 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

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04219449
Source datasetuspto-grants-1980_08
ORD IDord-e7fb0a07ed304bbbb871660fab7aa103
Source noteuspto-grants-1980_08