Chapter16 Terpenoids& Steroids萜类和甾族化合物 萜类化合物( Terpenoids, Terpenes CH3 1. Defination: 松节油( Terpentine)(CsH1o)2 a-Pinene Terpenes Terpenoids 5m110丿n CH n=l, isoprene 2,单萜,两个 Isoprene H2C CI 3,倍半萜,三个 Isoprene CH =4,双萜,四个 isoprene =6,三萜,六个 Isoprene serene异戊二烯Chapter 16 Terpenoids & Steroids 萜类和甾族化合物 一、萜类化合物(Terpenoids, Terpenes) 1.Defination: 松节油 (Terpentine) (C5H10)2 Terpenes Terpenoids (C5H10)n C CH CH2 CH3 H2C Isoprene 异戊二烯 n=1, isoprene n=2, 单萜，两个isoprene n=3, 倍半萜，三个isoprene n=4, 双萜，四个isoprene n=6, 三萜，六个isoprene CH3 -Pinene