Figure 1. Absolute configurations of monocyclic and bicyclic monoterpenes and their derivatives described in the current review: (A) pinene and
related, (B) limonene and related, (C) camphene and related, (D) campholenic aldehyde (five-membered ring). Adapted from refs 21−25, 30, and
31.
Pic was caught from Catalytic Upgrading of Extractives to Chemicals: Monoterpenes to “EXICALS”, CHEMICALS REVIEWS