Pinane

Pinane is a bicyclic organic compound and a terpene. The structure of pinane consists of a six-membered ring fused to a four-membered ring. Pinane is a colorless liquid and is the primary constituent of the essential oil of pine needles.

Structure and Synthesis

Pinane is a bicyclic organic compound that consists of a six-membered ring fused to a four-membered ring. It is classified as a terpene, a large and diverse class of organic compounds produced by a variety of plants. The structure of pinane is derived from the more common terpene, pinene, by the removal of a double bond.

The synthesis of pinane typically involves the cyclization of geranyl pyrophosphate, a common intermediate in the biosynthesis of terpenes. This reaction is catalyzed by terpene synthase enzymes.

Properties and Uses

Pinane is a colorless liquid at room temperature. It has a strong, characteristic aroma of pine needles, which is due to its high concentration in the essential oil of pine needles.

Pinane and its derivatives have a variety of uses in the chemical industry. They are used as starting materials in the synthesis of other organic compounds, as well as in the production of fragrances and flavors. Pinane is also used in the manufacture of resins and plastics.

Health Effects

As with many organic compounds, exposure to pinane can cause irritation to the eyes, skin, and respiratory tract. However, it is generally considered to be of low toxicity.

See Also

• Terpene
• Pinene
• Geranyl pyrophosphate
• Terpene synthase