Naphtho[1,8-bc]pyran is prepared in three steps in 40% overall yield from acenaphthenone by oxidation with 3-chloroperoxy-benzoic acid, reduction of the resultant lactone with diisobutylaluminum hydride, and dehydration of the lactol thus obtained with mesyl chloride/triethylamine.
Synthesis of 2-Acetoxy- and 2-Hydroxy-2,3-dihydronaphtho[1,8-bc]pyran
作者:Z. Stec
DOI:10.1007/bf00810592
日期:1993.3
2-Acetoxy- and 2-Hydroxy-2,3-dihydronaphtho[1,8-bc]pyranes were synthesized by decomposition of 1-hydroperoxy-1,2-dihydroacenaphthylene in acetic acid in the presence of perchloric acid.
MIKI, YASUYOSHI;HACHIKEN, HIROKO;NOGUCHI, KOJI;OHTA, MAYUMI;NAKANO, AKIKO+, CHEM. AND PHARM. BULL., 38,(1990) N2, C. 3257-3260