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The Synthesis of Certain Phomentrioloxin A Analogues and Their Evaluation as Herbicidal Agents
Ehab S Taher1, Prue Guest1, Amanda Benton1
1Research School of Chemistry, Institute of Advanced Studies, The Australian National University , Canberra, Australian Capital Territory 2601, Australia.
Abstract:
A series of 28 analogues of the phytotoxic geranylcyclohexentriol (-)-phomentrioloxin A (1) has been synthesized through cross-couplings of various enantiomerically pure haloconduritols or certain deoxygenated derivatives with either terminal alkynes or borylated alkenes. Some of these analogues display modest herbicidal activities, and physiological profiling studies suggest that analogue 4 inhibits photosystem II in isolated thylakoids in vitro.
