This paper presents data amplifying our recent communication3 which reported duplication of the Willstatter synthesis of cyclooctatetraene from p~ eudopelletierine.'~~ Indirect evidence of three kinds had been interpreted as indicating that the Willstatter product might not have been 1, 3, 5, 7-cyclooctatetraene6: Similarity of the product to styrene; the fact that catalytic dehydrogenation of cyclooctene at 425-455'yielded styrene; proof that application ...