Bora- and Dibora-benzene Complexes

Bora- and Dibora-benzene Complexes.—Bis(l-methylborabenzene)cobalt, i.e., [(L)2Co], reacts with [Mn2(CO)io] to give [(L)Mn(CO)s] treatment of this product with MeCOCl-AlaCl affords, in addition to the expected 2-acetyl derivative, the cation [( -PhMe)Mn(CO)3]+, extrusion of the boron atom having occur- 

Efraty and N. Jubran, Inorg. Chim. Acta, 1980, 44, L191. 

Diazadiborab izene Complexes.— Various ring-substituted l,2-diaza-3,6-dibora-benchrotrenes have been synthesized.  

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