Fig. 1: Selected desymmetric approaches to compounds possessing various chirality elements, the main approaches to inherently chiral calix[4]arenes. | Nature Communications

Fig. 1: Selected desymmetric approaches to compounds possessing various chirality elements, the main approaches to inherently chiral calix[4]arenes.

From: Desymmetric esterification catalysed by bifunctional chiral N-heterocyclic carbenes provides access to inherently chiral calix[4]arenes

Fig. 1

A Overview of NHC-mediated desymmetric esterification (highlighted in red). B Selected accesses to an inherently chiral calix[4]arenes (highlighted in blue). C Proposed approach (highlighted in green).

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