52116-38-8Relevant academic research and scientific papers
Chemistry of Homoisoflavonoids: Synthesis of Polyhydroxy 3-Benzylchromones and 3-Benzylchroman-4-ones without Protection and Deprotection of Hydroxyl Groups and a Convenient Preparation of Benzylidenechroman-4-ones
Sathyanarayana, S.,Krishnamurty, H. G.
, p. 899 - 901 (2007/10/02)
Catalytic transfer hydrogenation of hydroxyflavanones gives hydroxydihydrochalcones.These dihydrochalcones are converted into hydroxyhomoisoflavones and homoisoflavanones without protection and deprotection of hydroxyl groups.The condensation between chromanones and aryl aldehydes in the presence of dry p-toluenesulfonic acid in benzene or toluene gives benzylidenechromanones in good yields.The method is far superior to all other existing procedures.
