AN EASY SYNTHESIS OF SOME 1,2,3,4-TETRAHYDRO-9-OXA-10-PHOSPHA-PHENANTHRENE-10-OXIDES
作者:Peter Nesvadba、Paul Dubs
DOI:10.1081/scc-100000195
日期:2001.1
2-Cycloalkenylphenols 3 react under mild conditions with PCl3 to give the 10-chloro-2,3,4,10-tetrahydro-1H-9-oxa-10-phospha-phenanthrenes 4. The latter are readily hydrolyzed to afford the 1,2,3,4-tetrahydro-9-oxa-10-phospha-phenanthrene-10-oxides 5 in good to excellent yields.