[18]-1,4,10,13-tetraoxa-7,16-diphosphino-kronenether [18]-1,4,10,13-tetrathia-7,16-diphosphino-kronenether

Article abstract of DOI:10.1016/S0040-4039(00)92518-8

The title compounds are easily available by one pot-reactions starting out with dilithiophosphides. [FIGURE PRESENTED].