A series of novel 4-[(substituted phenox
yacetox
y)meth
yl]-2,6,7-trioxa-1-phosphabic
yclo[2.2.2]octane-1-one
were s
ynthesized. Their structures were confirmed b
y IR,
1H NMR, mass spectroscop
y, and elemental anal
yses. The results of preliminar
y bioassa
ys show that some of the title compounds exhibit moderate to good herbicidal and fungicidal activities. For example, the title compounds
,
,
,
,
, and
possess 90–100% inhibition against the growth of roots of both rape and barn
yard grass at 10 mg/L. Moreover, the title compounds
,
, and
possess 75–89% inhibition against
Botrytis cinerea at the concentration of 50 mg/L.