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Novel synthesis of stable 1,5-diionic organophosphorus compounds from the reaction between triphenylphosphine and acetylenedicarboxylic acid in the presence of N–H heterocyclic compounds

✍ Scribed by Morteza Ziyaadini, Malek Taher Maghsoodlou, Nourallah Hazeri, Sayyed Mostafa Habibi-Khorassani


Book ID
118789117
Publisher
Springer Vienna
Year
2012
Tongue
English
Weight
294 KB
Volume
143
Category
Article
ISSN
0026-9247

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Reaction between heterocyclic NH-acids a
✍ Issa Yavari; Abdolali Alizadeh; Mohammad Anary-Abbasinejad 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 168 KB

The reactive 1:1 intermediate obtained from the addition of triphenylphosphine to dibenzoylacetylene was trapped by heterocyclic NH-acids such as imidazole, 4-nitroimidazole, or 5-methyl-4-nitroimidazole to produce 2,3,5-trisubstituted furan derivatives. Using 2-benzoylimidazole or saccharin as NH-a