- Reactions with Diazoazoles, VIII. - Syntheses of Azolo-1,2,3,5-tetrazin-4(3H)-ones
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Azolo-1,2,3,5-tetrazin-4(3H)-ones 4 and 5 are formed by cycloaddition reactions of α-diazoazoles 2 with aryl or alkyl isocyanates 3a-p, respectively, as well as with diisocyanates 3q,r (Method A).Alternative syntheses for 4 are presented by diazoti
- Ege, Guenter,Gilbert, Karlheinz,Maurer, Kurt
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p. 1375 - 1396
(2007/10/02)
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