Article ID Journal Published Year Pages File Type
5220033 Tetrahedron 2011 4 Pages PDF
Abstract

The Mannich-type condensation of hexaethylresorcin[6]arene with achiral primary amines results in S6-symmetrical hexadihydro-1,3-oxazine derivatives, which are mesoforms. The reaction with individual enantiomers of α-phenylethylamine leads to C3-symmetrical enantiomeric hexaoxazines, which crystallize from reaction mixtures in an analytically pure form.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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