Unexpected result of thiophosphorylation of 6-aminopyrano[2,3-c]pyrazole-5-carbonitrile derivative
The reaction of 6-amino-3-methyl-4-(2,4-dichlorophenyl)-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile with phosphorus sulfide in boiling pyridine unexpectedly leads to the formation of a not previously described heterocyclic system—[1,2]oxaphosphinino[6,5-c]pyrazole derivative. Structure of the ob...
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| Главные авторы: | , , , , , |
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| Formato: | Статья |
| Idioma: | English |
| Publicado em: |
Pleiades Publishing
2019
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| Assuntos: | |
| Acesso em linha: | https://dspace.ncfu.ru/handle/20.500.12258/8339 |
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