Abstract
In pursuit of nonracemic, inherently chiral calix[4]arenes, we describe herein the application of a chiral tert‐butyl sulfoxide in asymmetrically directing ortholithiation on a calix[4]arene. We demonstrate good diastereoselectivity (dr = 95:5) in the reaction, and also provide proof of the major diastereomer through single‐crystal X‐ray diffraction.
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