Lithium diisopropylamide: oligomer structures at low ligand concentrations.
One- and two-dimensional (6)Li and (15)N NMR spectroscopic studies of lithium diisopropylamide (LDA) solvated by substoichiometric concentrations of oxetane, THF, Et(2)O, and diisopropylamine are described. Partially solvated dimers and trimers are identified. Possible benefits of carrying out organolithium chemistry at low ligand concentrations are discussed.
Rutherford
J L
JL
Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, USA.
Collum
D B
DB
D019281:Dimerization; D007554:Isotopes; D008024:Ligands; D008094:Lithium; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D009587:Nitrogen Isotopes; D011437:Propylamines / Q000737:chemistry*; D012997:Solvents / Q000494:pharmacology
D007554:Isotopes; D008024:Ligands; D009587:Nitrogen Isotopes; D011437:Propylamines; D012997:Solvents; D008094:Lithium; C007442:diisopropylamine