Circular dichroism (CD) spectroscopy is one of the most useful techniques for the
stereochemical analysis of chiral biopolymers and fine chemicals. It has become invaluable …

The analysis of the absolute configuration, enantiomeric composition, and concentration of
chiral compounds are frequently encountered tasks across the chemical and health …

The most recent papers describing the stereoselective synthesis of cyclic quaternary α-
amino acids are collected in this review. The diverse synthetic approaches are classified …

A general and nonempirical approach to determine the absolute configuration (AC) of 2-
substituted chiral carboxylic acids by circular dichroism (CD) spectroscopy has been …

The preferred helical screw senses of chiral α‐amino acids with a Cα‐tetrasubstituted α‐
carbon atom, as determined in the crystal state by X‐ray diffraction analyses on derivatives …

This report provides an overview of the practical methods for preparing symmetrically α, α-
disubstituted α-amino acids and their derivatives. Despite the growing application of this …

The appearance of d‐amino acids in mammals and humans has important implications in
the life sciences. d/l‐Amino acid mixtures play a key role in human physiology and …

A stereodynamic probe containing a central 1, 4-di (phenylethynyl) benzene rod and two 2-
formylphenylethynyl branches has been prepared through a series of Sonogashira cross …

An induced axial chirality of the biphenyl core of the Bip (2′, 1′: 1, 2; 1′′, 2′′: 3, 4-
dibenzcyclohepta-1, 3-diene-6-amino-6-carboxylic acid) residue in the terminally protected …

The secondary terephthalamide host 1a-H attached to four aryl blades was prepared from
tetrabromide 2a by Suzuki− Miyaura coupling and undergoes a conformational change from …