77953-17-4Relevant articles and documents
1,5-Diaryl-3,3-disubstituted-1,5-pentanedione - A synthon for 2,4,6-trisubstituted heterocycles
Padmavathi,Balaiah,Jagan Mohan Reddy,Padmaja
, p. 599 - 604 (2007/10/03)
2,4,6-Trisubstituted heterocycles are prepared by the functionalization of gem-disubstituents and keto functionalities in 1,5-diaryl-3,3-dimethoxycarbonyl- 1,5-pentane-dione (1) and 1,5-diaryl-3-cyano-3-ethoxycarbonyl-1,5-pentanedione (4).
SYNTHESIS OF SUBSTITUTED 2- AND 4-CARBOXYPYRYLIUM SALTS
Kholodova, N. V.,Andreichikov, Yu. P.,Dorofeenko, G. N.
, p. 109 - 112 (2007/10/02)
Modified methods for the synthesis of substituted 2- and 4-carboxypyrylium perchlorates and the necessary diphenacylacetic acids are proposed.