diaene

例句：

1. 1. 二烯
   Diene
2. 2. 二烯烃
   Diene hydrocarbon
3. 3.二烯炔
   Diene vinyl ether
4. 3. diene vinyl ether例句：1. Diaene is a type of carbon-carbon double bond found in many organic compounds.
   二烯是一种存在于许多有机化合物中的碳碳双键。
5. 2.The reaction mechanism of the diene hydrocarbon involves the formation of a new compound through cross-coupling reactions.
   二烯烃的化学反应机制涉及通过交叉耦合反应形成新的化合物。
6. 3. In the study of natural products, dienes are often used as starting materials for the synthesis of various complexmolecules.
   在天然产物研究中，二烯常被用作合成各种复杂分子的起始原料。