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Effect of ionization on ability of heterocyclic nitrogen bases to undergo interplanar reaction

โœ Scribed by V. L. Antonovskii; A. S. Gukovskaya; B. I. Sukhorukov; I. I. Chervin


Book ID
112437162
Publisher
Springer
Year
1974
Tongue
English
Weight
241 KB
Volume
23
Category
Article
ISSN
1573-9171

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Entry to nitrogen-containing heterocycle
โœ Gianluigi Broggini; Simona Galli; Micol Rigamonti; Silvia Sottocornola; Gaetano ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 387 KB

Allenylamides of Boc-protected a-aminoacids easily gave in basic medium heterocyclic products arising from attack of the NH group on the inside C-C double bond of the 1,2-diene moiety, namely imidazolidinones, pyrazinones, and a pyrrole compound. The microwave-assisted heterocyclization occurred cle