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Generation of stannabenzenes and their monomer-dimer equilibration.

A new interesting article has been published in Dalton Trans. 2018 Oct 23;47(41):14436-14444. doi: 10.1039/c8dt02994f. and titled:

Generation of stannabenzenes and their monomer-dimer equilibration.

Authors of this article are:

Mizuhata Y , Fujimori S , Noda N , Kanesato S , Tokitoh N .

A summary of the article is shown below:

Stannabenzene has not been isolated so far because of its high reactivity. In order to synthesize and isolate a stable stannabenzene, we have introduced two steric protection groups, the Tbt (2,4,6-tris[bis(trimethylsilyl)methyl]phenyl) or the Bbt (2,6-bis[bis(trimethylsilyl)methyl]-4-[tris(trimethylsilyl)methyl]phenyl) group on the tin atom and the t-butyl group on the 2-position, to the stannabenzene skeleton. Such a combination of steric protection groups was found to suppress the dimerization of stannabenzene to some extent, giving an equilibrated mixture of the corresponding stannabenzene and its dimer.

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