Discrimination of mobile supramolecular chirality [electronic resource] : acylative molecular transformations by organocatalysis / Ayumi Imayoshi.

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Discrimination of mobile supramolecular chirality [electronic resource] : acylative molecular transformations by organocatalysis / Ayumi Imayoshi.

9789811674310 (electronic bk.)
9811674310 (electronic bk.)
9811674302
9789811674303

Singapore : Springer, [2022]

English

1 online resource.

10.1007/978-981-16-7431-0 doi

QD878

541/.226

This book proposes a novel concept for molecular recognition. In the field of asymmetric synthesis approaching the mature science, asymmetric discrimination and catalytic synthesis of chiral supramolecules still stand as unsolved problems. The extreme difficulty in asymmetric synthesis of such supramolecules may result from the mobile nature of supramolecular chirality. Here the author shows the first highly enantioselective synthesis of mechanically chiral supramolecules. In the presence of a chiral organocatalyst, a mechanically planar chiral rotaxane was obtained with p erfect enantiopurity (>99% ee) with an excellent selectivity. The dynamic and flexible recognition mode enabled asymmetric synthesis of supramolecules with conformational flexibility and mobility. The recognition mode of the catalyst is a contrast to the traditional static and rigid recognition mode of the typical conventional catalysts. The concept of dynamic molecular recognition will be adopted as a novel concept in a wide range of fields beyond the field of organic chemistry, including material chemistry, biochemistry, and medicinal chemistry.

"Doctoral Thesis accepted by Kyoto University, Kyoto, Japan."

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