Synthesis, Structure, and Rearrangement of Chlorobis(2,4,6‐tri‐tert‐butylphenyl)gallane The title compound 1 is easily obtained from GaCl3 and 2 equvialents of supermesityllithium. According to an X‐ray structure analysis one of the supermesityl rings shows a large deviation from planarity. Heating of 1 in vacuo gives mainly two products: an isomer of 1 in which one of the supermesityl groups is bound to Ga by one of its tert‐butyl groups (2) and a benzo[b]gallolane (3) formed by elimination of HCl, X‐ray structure analyses and full NMR (1H, 13C) data are provided for 1 and 2, MS and characteristic NMR (1H, 13C) data for 3.
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Meller et al. (1993) studied this question.
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