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Pteridine analogues; synthesis and physico-chemical properties of 7-oxopyrazino[2,3-c][1,2,6]thiadiazine 2,2-dioxides

✍ Scribed by Goya, Pilar ;Páez, Juan Antonio

Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
380 KB
Volume
1988
Category
Article
ISSN
0947-3440

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✦ Synopsis

Condensation of diarninothiadiazine l,l-dioxides 1 or 8 with 3tkcto acid cstcrs 2,6]thiadiazinc '.?-dioxides 2-4 and 9. Further chemical transformations yicld (7-substituted derivatives. Thc structures of the newly synthcsizcd compounds arc discussed on the basis of 'H-and I3C-NMR data, UV spcctra and pK, values.

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