The multistep reactions of 2-(2-chloro-4,5-dihydro-3-furyl)-1,3-diphenyl-1,3-diaza-2lambda(3)-phospholidine with nitrile imines afforded phosphorus-containing spiro compounds of a new type, viz., 6,8-disubstituted 9-oxo-10-(2-chloroethyl)-1,4-diphenyl-1,4,7,8-tetraaza-5-phosphaspiro[4.5]-deca-6,10-dienes.
The multistep reactions of 2-(2-chloro-4,5-dihydro-3-furyl)-1,3-diphenyl-1,3-diaza-2lambda(3)-phospholidine with nitrile imines afforded phosphorus-containing spiro compounds of a new type, viz., 6,8-disubstituted 9-oxo-10-(2-chloroethyl)-1,4-diphenyl-1,4,7,8-tetraaza-5-phosphaspiro[4.5]-deca-6,10-dienes.
The multistep reactions of 2-(2-chloro-4,5-dihydro-3-furyl)-1,3-diphenyl-1,3-diaza-2lambda(3)-phospholidine with nitrile imines afforded phosphorus-containing spiro compounds of a new type, viz., 6,8-disubstituted 9-oxo-10-(2-chloroethyl)-1,4-diphenyl-1,4,7,8-tetraaza-5-phosphaspiro[4.5]-deca-6,10-dienes.