SYNTHESIS OF 1,3-BIS (ARYLOXY ACETYL)-1,3,2- DIAZAPHOSPHOLIDINE-2-SULFIDE ( SELENIDE) DERIVATIVES AND STUDY OF THEIR HERBICIDAL ACTIVITY

摘要

A series of new phosphorus heterocycles l,3-bis(aryloxy acetyl)-1,3,2-diazaphospholidine-2-sulfide (selenide) were prepared by the cyclization reaction of Tris (diethylamino) phosphine (PNEt_2)_3 1 with diamide compounds 2. The compounds 3 were characterized by elemental analysis and spectroscopy. The preliminary bioassays showed that some of these compounds had good selective herbicidal activity.