Synthesis and characterization of novel chelated dimethylamino lithium arylamide dimers: molecular structure of [1‐LiNPhCHPhCH 2 ‐2‐NMe 2 C 6 H 4 ] 2 | Zendy

AlMasri Harbi Tomah | Zendy; Sieler Joachim | Zendy; HeyHawkins Evamarie | Zendy

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Synthesis and characterization of novel chelated dimethylamino lithium arylamide dimers: molecular structure of [1‐LiNPhCHPhCH 2 ‐2‐NMe 2 C 6 H 4 ] 2

Author(s) -

AlMasri Harbi Tomah,

Sieler Joachim,

HeyHawkins Evamarie

Publication year - 2003

Publication title -

applied organometallic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.53

H-Index - 71

eISSN - 1099-0739

pISSN - 0268-2605

DOI - 10.1002/aoc.475

Subject(s) - chemistry , lithium (medication) , chelation , ether , ring (chemistry) , diethyl ether , crystal structure , nuclear magnetic resonance spectroscopy , solvent , stereochemistry , medicinal chemistry , crystallography , organic chemistry , medicine , endocrinology

The reaction of 1‐NHPhCHPh‐2‐NMe 2 C 6 H 4 ( 1 ) and 1‐NHPhCHPhCH 2 ‐2‐NMe 2 C 6 H 4 ( 2 ) with n ‐BuLi in diethyl ether gave the solvent‐free chelated dimethylamino lithium amides [1‐LiNPhCHPh‐2‐NMe 2 C 6 H 4 ] 2 ( 3 ) and [1‐LiNPhCHPhCH 2 ‐2‐NMe 2 C 6 H 4 ] 2 ( 4 ). The lithium amides 3 and 4 were characterized by 1 H, 7 Li, and 13 C NMR spectroscopy. A crystal structure determination was carried out on 4 , which is the first example of a structurally characterized solvent‐free dimeric chelated dimethylamino lithium arylamide with three‐coordinate lithium centers that contains a seven‐membered chelate ring. Copyright © 2003 John Wiley & Sons, Ltd.

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