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非机械外消旋化:沸腾温度梯度下手性晶体的去消旋化。

Homochirality beyond grinding: deracemizing chiral crystals by temperature gradient under boiling.

机构信息

Departamento de Cristalografía y Mineralogía, Facultad de Geología, Universidad Complutense, 28040 Madrid, Spain.

出版信息

Chem Commun (Camb). 2011 Dec 28;47(48):12786-8. doi: 10.1039/c1cc14857e. Epub 2011 Nov 3.

DOI:10.1039/c1cc14857e
PMID:22053323
Abstract

A single-chirality solid phase can be obtained in boiling solutions containing a racemic mixture of left- and right-handed enantiomorphous crystals due to dissolution-crystallization cycles induced by a temperature gradient. This phenomenon provides further insights into asymmetric amplification mechanisms under presumably prebiotic conditions.

摘要

在含有外消旋的左旋和右旋对映体晶体混合物的沸腾溶液中,由于温度梯度引起的溶解-结晶循环,可以得到单一手性的固相。这一现象为在假定的原始生命条件下的不对称放大机制提供了进一步的认识。

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