N. Finney, D. A. Evans Cyclic and"lrregular"Monoterpenes Chem 206 Cyclic Monoterpenes Biosynthetic Study of Monoterpenes HO2C a-terpineol Me CO2H (±) MVA lactone drugs operate here ⊙ H carene Thujone Iridoids and secoiridoids 比H OHC CO2CH3 R=β D-glucose 32A-05-Monoterpenes 12/8/00 8: 52 AMMe Me Me Me Me Me OH Me Me Me Me Me Me H Me Me Me Me Me Me Me Me H Me Me Me H H H Me Me Me OH H Me Me Me Me Me Me Me Me Me Me Me OH Me Me Me Me HO2C OH HO Me CO2H CO2H Me HO Me Me O N. Finney, D. A. Evans Cyclic and "Irregular" Monoterpenes Chem 206 Cyclic Monoterpenes + + + α-terpineol O Me OR HO + α-pinene borneol carene CO2CH3 terpinolene O OR terpinenol Irregular Monoterpenoids CO2CH3 P P CH2 α-thujene OHC Biosynthetic Study of Monoterpenes Me Me CO2H Me Me (±) MVA lactone (±) MVA GPP O Me Me Iridoids and Secoiridoids loganin secologanin chrysanthemic acid Me nezukone R = β-D-glucose H 14C label O O Me HO hydroxy-methyl glutarate OH Me OH Me O Me Me O camphor α-thujone cholesterol-lowering drugs operate here 32A-05-Monoterpenes 12/8/00 8:52 AM