1 Sulfur- and selenium-promoted cyclization of allenic phosphonates and phosphinates to substituted 1,2-oxaphosphol-3-enes
http://pubs.acs.org/doi/abs/10.1021/jo00157a007

2.  Synthesis of novel phosphorus heterocycles: 1,3-dihydro-2,1-benzoxaphosphole 1-oxides
http://pubs.acs.org/doi/abs/10.1021/jo00348a013

3.  Studien zum Vorgang der Wasserstoffübertragung, 67. Endioldiester durch acylierende elektroreduktive Dimerisierung von Carbonsäurechloriden mit Lithiumamalgam
http://onlinelibrary.wiley.com/doi/10.1002/cber.19831160435/abstract;jsessionid=156A02D09C4B5D7CCE5A1A5C3B4D074F.d02t01


4.prepariton of phosphonate
http://pubs.rsc.org/en/content/articlelanding/1995/p1/p19950002045