Reactivities of Quinone Methides versus o-Quinones in Catecholamine Metabolism and Eumelanin Biosynthesis

by Manickam Sugumaran
Published 2016-09-01

Critical Analysis of the Melanogenic Pathway in Insects and Higher Animals

by Manickam Sugumaran, Hanine Barek
Published 2016-10-01

Bioactive Dehydrotyrosyl and Dehydrodopyl Compounds of Marine Origin

by Manickam Sugumaran, William E. Robinson
Published 2010-12-01

Chemical Reactivities of <i>ortho</i>-Quinones Produced in Living Organisms: Fate of Quinonoid Products Formed by Tyrosinase and Phenoloxidase Action on Phenols and Catechols

by Shosuke Ito, Manickam Sugumaran, Kazumasa Wakamatsu
Published 2020-08-01

Nonenzymatic Spontaneous Oxidative Transformation of 5,6-Dihydroxyindole

by Manickam Sugumaran, Jason Evans, Shosuke Ito, Kazumasa Wakamatsu
Published 2020-10-01

Oxidative Oligomerization of DBL Catechol, a potential Cytotoxic Compound for Melanocytes, Reveals the Occurrence of Novel Ionic Diels-Alder Type Additions

by Manickam Sugumaran, Kubra Umit, Jason Evans, Rachel Muriph, Shosuke Ito, Kazumasa Wakamatsu
Published 2020-09-01

Density Functional Theory-Based Calculation Shed New Light on the Bizarre Addition of Cysteine Thiol to Dopaquinone

by Ryo Kishida, Shosuke Ito, Manickam Sugumaran, Ryan Lacdao Arevalo, Hiroshi Nakanishi, Hideaki Kasai
Published 2021-01-01