Abstract
It might not be as healthy as vitamin E, but the α-tocopherol derivative 1 undergoes all the typical reactions of the vitamin twice, as a result of its “siamese twin” character. The transformation of 1 in a three-step reaction sequence of oxidation, hetero-Diels–Alder reaction, and reduction provides facile access to tetrameric calixarene-type macrocycles 2. Supporting information for this article is available on the WWW under http://www.angewandte.com or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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