1208867-02-0Relevant articles and documents
Methylenepyran unsaturated Fischer carbene complexes from γ-methylpyrylium salts and alkynylcarbenes. Evolution to spiro-pyran-cyclopentenone compounds
Ba, Fatou,Le Poul, Pascal,Guen, Fran?oise Robin-Le,Cabon, Nolwenn,Caro, Bertrand
, p. 605 - 608 (2010)
Push-pull methylenepyran compounds 3 containing ferrocenyl or aryl groups are synthesized from reaction of condensation between γ-methyl-pyrylium salts 1 as precursors of γ-methylenepyrans and alkynylcarbene complexes 2 as Michae?l-type acceptors. The new