Advances in the chemistry of thiamine

CONTENTS
I. Introduction 189
II. Reactions not involving cleavage of the thiazolium ring 189
III. Reactions resulting in cleavage of the thiazolium ring 190
IV. Acylation of thiamine and its derivatives 192
V. Thiamine–protein complexes 192
VI. Derivatives of thiamine 193
VII. Development of industrial methods for synthesising vitamin B₁ 194
VIII. Mechanism of the action of vitamin B₁ 196