A bisdehydro[14]annuleno[c]furan, an isoannelated diatropic annulene, has been synthesized. Cyclic glycol, a precursor of the annuleno[c]furan, could be converted into bisdehydro[14]annulene derivatives under mild acidic conditions.
Polar substituent effects on fluorine-19 chemical shifts of aryl and vinyl fluorides: a fluorine-19 nuclear magnetic resonance study of some 1,1-difluoro-2-(4-substituted-bicyclo[2.2.2]oct-1-yl)ethenes
作者:William Adcock、Gaik B. Kok
DOI:10.1021/jo00207a033
日期:1985.4
Ring-opening reactions. 18. Synthesis of cyclic thioenol ethers