Optical Rotatory Dispersion Studies. XLVI. Stereochemical Assignments through Anomalous Rotatory Dispersion Curves of alpha-Amino Acid Derivatives. 3-Phenyl-2-thiohydantoins and N-Thionocarbethoxy Amino Acids.

Abstract

Some derivatives of [alpha]-amino acids, whose optical rotatory dispersion curves can be used for establishing their absolute configurations, have been investigated. In particular, derivatives have been studied which are also employed in the sequential degradation of peptides, and the present paper is mainly concerned with the optical rotatory dispersion of 3-phenyl-2-thiohydantoins and N-thionocarbethoxy amino acids.