Lithium Cadmate-Mediated Deprotonative Metalation of Anisole: Experimental and Computational Study
Author(s) -
K. Snegaroff,
Shinsuke Komagawa,
Mitsuhiro Yonehara,
Floris Chevallier,
Philippe C. Gros,
Masanobu Uchiyama,
Florence Mongin
Publication year - 2010
Publication title -
the journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.2
H-Index - 228
eISSN - 1520-6904
pISSN - 0022-3263
DOI - 10.1021/jo100150s
Subject(s) - anisole , metalation , lithium (medication) , chemistry , yield (engineering) , computational chemistry , medicinal chemistry , organic chemistry , materials science , catalysis , psychology , psychiatry , metallurgy
Lithium cadmates bearing different ligands were compared with efficient (TMP)(3)CdLi (TMP = 2,2,6,6-tetramethylpiperidino) for their ability to deprotometalate anisole. The generated arylcadmates were evidenced using I(2). The results show that it is possible to replace only one of the TMP (with a piperidino, a diisopropylamino, a butyl, or a sec-butyl) without important yield drop. In the light of DFT calculations, reaction pathways were proposed for the deprotocadmations of anisole using a triamino, an alkyldiamino, and an aminodialkyl cadmate.
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