1993 Volume 66 Issue 11 Pages 3440-3443
A sterically hindered bromobenzene, 2-bromo-1,5-di-t-butyl-3-(methoxymethyl)benzene, was prepared and converted to the corresponding phosphonous dichloride. The dichloride was then utilized to stabilize a low-coordinate phosphorus compound such as 1-[2,4-di-t-butyl-6-(methoxymethyl)phenyl]-2-(2,4,6-tri-t-butylphenyl)diphosphene. Furthermore, the dichloride gave a cyclization product 1-chloro-2,1-oxaphosphaindan with elimination of chloromethane on standing at room temperature.
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