[Lithium Piperidide–Piperidine] 4 : Crystal Structure of an Oligomeric 1:1 Lithium Amide–Amine Mixed Complex, an Intermediate in the  N ‐Lithiation of Amines | Zendy

Boche Gernot | Zendy; Langlotz Ira | Zendy; Marsch Michael | Zendy; Harms Klaus | Zendy; Nudelman Norma E. S. | Zendy

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[Lithium Piperidide–Piperidine] 4 : Crystal Structure of an Oligomeric 1:1 Lithium Amide–Amine Mixed Complex, an Intermediate in the N ‐Lithiation of Amines

Author(s) -

Boche Gernot,

Langlotz Ira,

Marsch Michael,

Harms Klaus,

Nudelman Norma E. S.

Publication year - 1992

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199212051

Subject(s) - piperidine , lithium amide , lithium (medication) , amide , chemistry , amine gas treating , crystal structure , ligand (biochemistry) , solid state , stereochemistry , medicinal chemistry , crystallography , organic chemistry , catalysis , medicine , biochemistry , receptor , endocrinology , enantioselective synthesis

A model for the mechanism of formation of ladder structures for lithium amides is provided by the title compound 1 , the first oligomeric mixed complex of a lithium amide with an amine (structure depicted to the right, where one piperidine ligand has been omitted from each of Li1 and Li2). The structure in the solid state is in accord with results of calculations on similar 1:1 complexes as well as with 13 C NMR studies in solution. Reactions of lithium piperidide with CO in the presence of piperidine also suggest that such complexes are reactive intermediates.

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