1. Lantadene A was subjected to dry distillation yielding:
(a) A lactone, C₆H₈O₂, B.P. 200°C./650 mm. Hg, probably
(b) A crystalline product, M.P. 125°C. which has not yet been
(c) A resinous compound C₁₇H₂₆O₃, M.P. 125°C.
2. Zinc-dust distillation of Lantadene A gives a product C₂₃H₃₂O₂,
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