Podocarpus hallii

Structures of hallactones A and B, insect toxins from Podocarpus hallii. Russell, G. B. Fenemore, P. G. Singh, P. J. Chem. Soc. Chem. Commun. 1973,166-167. 

Insect-control chemicals from plants. Nagilactone C, a toxic substance from the leaves of Podocarpus nivalis and Podocarpus hallii. Russell, G.B Fenemore, P.G. Singh, P. Aust. J. Biol. Scl 1972,25,1025-1029. 

C17H22O3, Mr 274.36, needle-like cryst., mp. 193-194°C, (a]o +164° (CjHjOH). The compound is isolated mainly from numerous members of the Podo-carpaceae (e. g., Podocarpus cupressina, P. totara, P. dacrydioides, P. hallii). P. is a major component of Podocarpus resin and thus belongs to the group of resin acids. 

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