Radical Cations
Radical Cations
Radical Cations
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Mukaiyama–Michael Proposed Catalytic Cycle<br />
Et 3SiO Me Me<br />
Ph<br />
Et 3SiCl<br />
O<br />
Me Me<br />
Et 3SiCl<br />
OEt<br />
catalyst regeneration<br />
Ph<br />
Cl–<br />
Me<br />
SnCl 4<br />
O<br />
Cl SnCl4 3Sn<br />
O Me Me<br />
O Me<br />
R OEt<br />
Ph<br />
Me Me<br />
Ph<br />
Me<br />
• –R• coupling complexation<br />
O<br />
SnCl 3<br />
Me<br />
Me<br />
OTES<br />
OEt<br />
e – transfer<br />
Me<br />
Me<br />
Ph<br />
Me<br />
O<br />
OTES<br />
OEt<br />
Me<br />
Me<br />
J. Otera et al. J. Am. Chem. Soc. 1991, 113, 4028.