Page 199 - PG 504-theoretical notes-phyto-1-2024-2025..

Clinical pharmacy PharmD program Third level Phytochemistry-1 (PG-504)

Sylvestrene (m-menthadiene)

1
Sylvestrene is a mixture of sylvestrene a (D ) and sylvestrene b (D 1(6) )

1
6 2

5 3
4

Sylvestrene a
Sylvestrene b

• Does not occur in nature, but it occurs as an artifact during preparation of oils
3
4
containing the bicyclic monoterpene hydrocarbon; D carene or D carene

X
X
 Aniline

HX
Carene Sylvestrene

Bicyclic Monoterpenes

180