Table 2.
Yields and ratios reported as in Table 1.
Yield calculated by1H NMR using 1,3,5-trimethoxybenzene as an internal standard.
x+y represents a bis-phosphonium salt.
Yields and ratios reported as in Table 1.
Yield calculated by1H NMR using 1,3,5-trimethoxybenzene as an internal standard.
x+y represents a bis-phosphonium salt.