The content of the conjugate dienes can be expressed with the diene number. 共軛二烯烴含量的多少可以用二烯值來(lái)表示。
The stability of the active intermediates, bend length of monoene and conjugated diene were discussed. 過(guò)從反應活性中間體的穩定性以及共價(jià)鍵的鍵長(cháng),從理論上說(shuō)明共軛二烯比單烯易親電加成。