The title compounds are accessible in a one-step synthesis by reaction of dilithiophosphides with 1,2-bis-(2-chloroethoxy)-ethane resp. 1,2-bis-(2-chloroethylthio)-ethane. A multistep-synthesis starts out from tribenzylphosphine.
The title compounds are accessible in a one-step synthesis by reaction of dilithiophosphides with 1,2-bis-(2-chloroethoxy)-ethane resp. 1,2-bis-(2-chloroethylthio)-ethane. A multistep-synthesis starts out from tribenzylphosphine.