74252-53-2Relevant articles and documents
A NEW 2-PYRONE SYNTHESIS AND ITS APPLICATION TO BUFADIENOLIDE SYNTHESIS
Takeuchi, Yoshio,Makino, Yutaka,Maruyama, Koichi,Yoshii, Eiichi
, p. 163 - 168 (2007/10/02)
A synthetic method of 4-, 5-, and 6-alkyl-2-pyrones from an appropriately substituted α,β-unsaturated ketone or aldehyde was presented.The reaction sequence consisted of 1) conjugate addition of a methylthio- or phenylthioacetate to the enone by use of th