Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

1.2.4- Triazolo benzothiazines

Tire mesoionie l,2,4-triazolo[l,5-c]quinazolines 59 were obtained upon eyelization of the 4-thioxo-l,3-benzothiazines 57 with thioearbohydra-zine through the intermediate 3-(4-thiosemiearbazido)pyrimidines 58 (86-JHC43) (Seheme 19). [Pg.354]

Semicarbazides 63 react with POCI3 to give triazolo-l,4,2-benzothiazines 64, possibly according to the mechanism depicted in Scheme 2 <2003BMC1259>. [Pg.535]

See other pages where 1.2.4- Triazolo benzothiazines is mentioned: [Pg.345]    [Pg.252]    [Pg.221]    [Pg.278]    [Pg.278]    [Pg.345]    [Pg.346]    [Pg.346]    [Pg.346]    [Pg.102]    [Pg.99]    [Pg.100]    [Pg.278]    [Pg.278]    [Pg.345]    [Pg.345]    [Pg.346]    [Pg.346]    [Pg.346]    [Pg.431]    [Pg.593]    [Pg.32]   
See also in sourсe #XX -- [ Pg.221 ]



SEARCH



4/7-1,4-benzothiazin

Benzothiazine

© 2024 chempedia.info