Terpene class
Triterpenes
Tetraterpenes
Polyprenes
Empirical formula
^30"48 ~~ "
X
^5
= 2xC
15
^4οΗ
64 - 8 x C
5
(C
5 H
8 )
;/
Carbon skeleton
Examples
Caoutchouc (= eis -1, 4-polyprene)
Guttapercha and balata(= trans -1, 4-polyprene)·
Triterpenes (Tables XI, XII)
Steroids: sterols, bile acids,
sex and adrenal hormones,
vitamin D, cardiac glycosides (digitalis, etc.)
Alkaloids: strophanthin,
solanidine, veratrine, toad
poisons
Known in dehydrogenated form
as carotenoids
n> 100, 000,Types of
caoutchouc
8
~
~
Z
o
S
00
Terpene class
Triterpenes
Empirical formula
C
30 H
4S =
6 X
C
s
=2 xC
1S
Carbon skeleton
Examples
Triterpenes (Tables XI, XII)
~
Steroids: sterols. bile ac ids,
9
sex and adrenal hormones,
vitamin D, cardiac glycosides (digitalis, etc.)
Alkaloids: strophanthin,
solanidine, veratrine, toad
poisons
Tetraterpenes
Polyprenes
C
4o H
64 =
8 X
C
s
=2 X
C
20
(CsHs)u
~
Caoutchouc (=
cis -1, 4-polyprene)
Guttapercha and balata (=
trans -1, 4-polyprene).
Known in dehydrogenated form
as carotenoids
n> 100,000, Types of
caoutchouc
00
~
(j
~
>
~
s
00
~
o
z
CJ1
&i