20600-69-5Relevant articles and documents
Mesoionic compounds. 10. Preferred conformation of a 3-alkyl and 3-aryl-substituent in 4-unsubstituted and 4-acylated monocyclic munchnones and sydnones
Petride, Horia,Cort, Antonella Dalla,Florea, Cristina,Cǎproiu, Miron
, p. 249 - 259 (2007/10/03)
A new 4-unsubstituted monocyclic oxazolium-5-olate (7c) was generated and NMR-characterized. Several 3-alkyl- and 3-aryl-4-acylated monocyclic munchnone and sydnone derivatives were also prepared. From NMR experimental data and theoretical calculations di