Methylene blue (MB), a thiazine
dye is basically used in the treatment of various methemoglobinaemias.
Several years ago, therefore, Zila filed patent applications in appropriate countries, claiming the use of oxadine and thiazine
classes of dyes in general.
NYSE:EW), and a license granting it the worldwide rights to the use of thiazine
dyes such as methylene blue to inactivate pathogens in human blood products in vitro.
When a-and b-bromo acids were reacted with 4e the reactions resulted thiazine
(5) and thiazolidine compounds (6, 7) (Scheme 4).
One such development, initially intended for the industrial coatings market but also having utility for screen inks and other opaque ink systems, is our new thiazine
indigo red pigment, Novoperm Till Red 4g 70 VP2543.
Toluidine blue dye is an acidophilic metachromatic dye of the thiazine
The book contains six chapters covering synthesis, reactions and applications in the following subject areas: pyridazines, cinnolines, benzocinnolines and phthalazines; pyrimidines and quinazolines; pyrazines and related ring structures; phenzine, oxazine, thiazine
and sulphur dyes; quinazoline alkaloids; six-membered rings with three or more hetero-atoms.