A Facile Synthesis of Novel Allenylphosphinates Containing Multi Potential Asymmetric Centers

The novel allenylphosphinates containing up to three axial and phosphorus asymmetric centers were prepared in excellent yields via the reactions of 6‐chloro‐6H‐dibenzo[c,e][1,2]oxaphosphinine to propargyl alcohols. During the process, the configuration of phosphorus determined the biphenyl axial chirality, stereospecifically forming (l)‐stereomers but did not influence the chirality of allenyl axis.