Optical Rotatory Dispersion and Circular Dichroism of Amino Acid Hydantoins

Tateo Suzuki, Keiji Igarashi, Kieko Hase, Katura Tuzimura

Agricultural and Biological Chemistry · 1973 · 32 citations · 0 references

Concepts

Abstract

Optical rotatory dispersion (ORD) and circular dichroism (CD) of 17 amino acid hydantoins were measured between 190 and 600 nm. Most of hydantoins exhibited the negative Cotton effect which showed the trough between 238 and 245 nm. The negative trough of CD was also observed between 212 and 236 nm. The Cotton effect of hydantoins was attributable to n→π* transition of carbonyl group at C-4 of hydantoin ring.