69978-06-9Relevant academic research and scientific papers
Acylation of sydnones with acetic anhydride in the presence of Montmorillonite K-10
Turnbull, Kenneth,George, Jones C.
, p. 2757 - 2764 (2007/10/03)
Various-4-acetyl sydnones 2 can be prepared in good yield by reaction of the corresponding 3-arylsydnones (cf. 1) with acetic anhydride at ~ 110°C catalyzed by Montmorillonite K-10. The reaction fails where an ortho-keto moiety is present; therein sydnone
