Harder, Sjoerd; Boersma, Jaap; Brandsma, Lambert; Kanters, Jan A.; Bauer, Walter; Schleyer, Paul v. R.:

Crystal structure of [2,6-bis(dimethylamino)phenyl]lithium: the first trimeric organolithium compound.

In: Organometallics, Jg. 8 (1989) ; Nr. 7, S. 1696-1700
ISSN: 0276-7333
Zeitschriftenaufsatz / Fach: Chemie
The title compd. (I) was prepd. in 70% yield by lithiation of 1,3-(Me2N)2C6H4 with BuLi. The x-ray structure of I reveals the first trimeric organolithium species. This trimer is retained in apolar solvents like benzene or toluene. From NMR data a monomer-trimer equil. is proposed in THF soln.

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