пришлите, пожалуйста, статью:
The Synthesis of (3'-Oxo-3',4'-Dihydro-2'h-1',4'-Benzothiazin-2'-Yl)Acetic Acid and (3'-Oxo-3',4'-Dihydro-2'h-1',4'-Benzoxazin-2'-Yl)Acetic Acid-Derivatives
T. Teitei
Australian Journal of Chemistry 39(3) 503 - 510
- DOI:
http://dx.doi.org/10.1071/CH9860503
Спасибо.