Reaction of ([eta]5C5Me5)(CO)2 FeP(SiMe3)2 with three equivalents of Cl–P[doublebond]C(SiMe3)2 affords the first 3-methanediyl-1,3,5,6-tetraphosphabicyclo[3.1.0.]hex-2-ene 7, the molecular structure of which has been determined by X-ray analysis.
Reaction of ([eta]5C5Me5)(CO)2 FeP(SiMe3)2 with three equivalents of Cl–P[doublebond]C(SiMe3)2 affords the first 3-methanediyl-1,3,5,6-tetraphosphabicyclo[3.1.0.]hex-2-ene 7, the molecular structure of which has been determined by X-ray analysis.