89779-94-2Relevant articles and documents
REACTION OF TRIFLUOROACETIC ANHYDRIDE ON ADDUCTS DERIVED FROM 1,2,3-INDANETRIONE WITH CYCLIC CH-ACID COMPOUNDS
Campagna, Francesco,Carotti, Angelo,Casini, Giovanni,Ferappi, Marcello
, p. 507 - 514 (2007/10/02)
The reaction of the title adducts 3 with trifluoroacetic anhydride-pyridine (which gives smooth dehydration only in cases 3d,f to give 6d,f) is described; the influence of enolization on reactivity is discussed.Compounds 3a-c do not dehydrate but give pyr