Abstract: Ozonolysis at-78" C of 3-phospholene derivatives with cyclohexane or substituted cyclohexanes fused at the double bond provides a useful route to derivatives of the 3&phosphonanedione 1-oxide system. Synthesized were the 1-methyl, 1-phenyl, 1-hydroxy, l-phenyl-cis-5, 6-dimethyl, 1-phenyl-trans-5, 6-dibromo, and l-phenyl-5, 6-epoxy derivatives. Opening of the 9, lO bond of a phenanthrene fused to a 3-phospholene provided a ...
![8-hydroxy-8$l^C8H11O2P-phosphabicyclo[4.3.0]nona-3,10-diene 8-oxide Structure](https://image.chemsrc.com/caspic/355/70179-65-6.png)
