%0 Journal Article %T A one-step efficient general method for the synthesis of naphthopyrones: A first synthesis of spiro [naphthalene-2,4a£¿2-phenanthrene] carbocycles %A Jaysukhlal R Merchant %A Neville V Fernandes %J - %D 1995 %U https://www.ias.ac.in/describe/article/jcsc/107/02/0109-0122