Pyridines and Quinolines from 1,3-Dichloro-Trimethinecyanines Pyrimidine and Quinazoline from Azacyanine
A new synthesis of 2,4-bis(dialkylamino)-pyridines and quinolines is reported. Starting from primary aryl amines or aliphatic imines a mechanism via ynamine-amidines is followed if the cyanine Ia is used as reagent. When the cyanine is substituted, (I.R. ≠ H) it reacts well in high dilution conditi...
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| Autori principali: | , , |
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| Natura: | Artigo |
| Lingua: | Alemão |
| Pubblicazione: |
Swiss Chemical Society
1976-03-01
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| Serie: | CHIMIA |
| Accesso online: | https://www.chimia.ch/chimia/article/view/9298 |
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