Methylene Bridge Formation via Carbonium Ions in the Phenol-Formaldehyde Reaction
作者:JACOB S. RODIA、JAMES H. FREEMAN
DOI:10.1021/jo01083a007
日期:1959.1
INTRAMOLECULAR OXIDATIVE COUPLING OF BROMINATED 2,4′-DIHYDROXYDIARYLMETHANES. A BIOGENETIC SYNTHESIS OF THELEPIN AND ITS ANALOGS
作者:Otohiko Tsuge、Haruyuki Watanabe、Shuji Kanemasa
DOI:10.1246/cl.1984.1415
日期:1984.8.5
Oxidation of brominated 2,4’-dihydroxydiarylmethanes with aqueous NaOCl under phase-transfer catalysis or NaOCl on Celite afforded new spiro-p-quinol ethers. Thelepin, which was isolated from the marineannelidThelepussetosus, was first synthesized from thelephenol by these methods.