144852-08-4Relevant academic research and scientific papers
4-Chromenesulphones: Synthesis and transformation to isoflavonoid models
Simas, Alessandro Bolis C.,Furtado, Luis F.O.,Costa, Paulo R.R.
, p. 6893 - 6895 (2007/10/03)
Novel sulphones derived from chromenes through substitution at C-4 were prepared. It has been shown that, after conjugate addition of phenyl lithium and sulphone function manipulation on the adducts, these molecules lead to isoflavan, isoflavene and isoflavanone models.
A convenient synthesis of (±)-4-prenylpterocarpin
Coelho,Vasconcellos,Simas,Rabi,Costa
, p. 914 - 916 (2007/10/02)
Coupling of 7-methoxy-8-(3-methyl-2-butenyl)-2H-1-benzopyran (4a) with 2-chloromercurio-4,5-methylenedioxyphenol (5) yields (±)-6a,12a-cis-dihydro-3-methoxy-4-(3-methyl-2-butenyl)-6H-[1,3]diox olo[5,6]benzofuro[3,2-c][1]benzopyran (6; ±-4-prenylpterocarpi
