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Pyrazino[2,3-c]-1,2,6-thiadiazine 2,2-dioxides: a new family of widely tunable, acid–base dye lasers

✍ Scribed by Weigand, R. ;Guerra, J. M.

Book ID
115343232
Publisher
The Optical Society
Year
1994
Tongue
English
Weight
559 KB
Volume
33
Category
Article
ISSN
1559-128X

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Pyrazino[2,3-c]-1,2,6-thiadiazine 2,2-di
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## Abstract The synthesis of novel analogues of foric acid (FA) antagonists derived from the pyrazino[2,3‐c]‐1,2,6‐thiadiazine 2,2‐dioxide system incorporating the glutamic acid side chain at the 7‐position is described. No significant DHFR inhibition of cytotoxic activity has been found with these

Unconventional Alkoxylation of Pyrazino[
Unconventional Alkoxylation of Pyrazino[2,3-c][1,2,6]thiadiazine 2,2-Dioxides Mediated by N-Halosuccinimides
✍ Nuria Campillo; Juan A. Páez; Pilar Goya 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 74 KB 👁 1 views

One pot alkoxylation at position 7 of 6-arylpyrazino [2,3c][1,2,6]thiadiazine 2,2-dioxides with NBS or NCS in the appropriate alcohol is described. Rationalization of the mechanism of the reaction, which does not proceed through the in-