J . Am. Chem. SOC.1990, 112, 3663-3665
3663
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alkylperoxo complexes include (i) the independent synthesis of R' 0 2 ROO' (8) the tert-butylperoxo derivative, (q3-HB(3-Bu'pz)3]MgOOC(CH,),, L,MOOR R' L,MR + ROO' (9) by the reaction of {q3-HB(3-Butpz),JMgCH3with (CH3)3COOH (eq 3), and (ii) the formation of the alkoxo derivative (q3-HBO2into the Mg-C bonds of the derivatives (q3-HB(3-Bu'pz),JMgR (3-Butpz),]MgOR8 and Ph3P0 upon treatment of {v3-HB(3(R = CH2CH3,CH(CH,),, C(CH,),) is too rapid to be studied, B ~ ' p z ) ~ J M g 0 0with R PPh, (eq 4). small quantities (