Synthesis of 3,4-dihydro-2,2-dimethyl-2Hpyranoflavones
Treatment of 2-benzylidene derivatives 1a-k with potassium cyanide in ethanol furnish 3,4-dihydro-2,2-dimethyl-2H-pyranoflavones 2a-k in quantitative yield. The structures of the final products have been elucidated on the basis of spectral studies.
Kumar,Rajendra Prasad
p. 158 - 160
(2007/10/03)
A Facile Synthesis of Isopongaflavone, Atalantoflavone Dimethylether, Racemoflavone Dimethylether and their Analogues
A convenient route to pyranoflavones (natural and synthetic) from acetyl hydroxy chroman via the corresponding analogues by the use of Claisen condensation in the key step is reported.Keywords: 2-Aryl-8,8-dimethyl-6,7-dihydro-4H,8H-benzodipy
Vijayalakshmi, C. S.,Prasad, K. J. Rajendra
p. 1021 - 1025
(2007/10/02)
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