16361-01-6Relevant articles and documents
Cycloaromatization of α-oxoketene dithioacetals and β-oxodithioacetals with benzyl-,1-(naphthylmethyl) and 2-(naphthylmethyl)magnesium halides: Synthesis of condensed polynuclear aromatic hydrocarbons
Srinivasa Rao,Balu, Maliakel P.,Ila, Hiriyakkanavar,Junjappa, Hiriyakkanavar
, p. 3499 - 3510 (2007/10/02)
An efficient route for the synthesis of substituted naphthalenes, phenanthrenes and other polynuclear aromatic hydrocarbons has been developed. The methodology involves 1,2- (or sequential 1,4- and 1,2-) addition of either benzyl, 1-(naphthylmethyl) or 2-(naphthylmethyl) magnesium halides to α-oxoketene dithioacetals or β-oxodithioacetals followed by borontrifluoride etherate catalyzed cycloaromatization of the resulting carbinols.
Dibenzanthracene via Photo-cyclodehydrogenation of 9,10-Dihydro-2-styrylphenanthrene
Diederich, Francois,Schneider, Karin,Staab, Heinz A.
, p. 1255 - 1258 (2007/10/02)
Waehrend aus 2-Styrylphenanthren (1) durch Photocyclodehydrierung Benzochrysen (2) entsteht, laesst sich unter Ausnutzung der "ΣF*-Regel" aus 9,10-Dihydro-2-styrylphenanthren (4) durch Photocyclodehydrierung zu 6 und anschliessende Dehydrierung Dibenzanthracen (3) erhalten.