First Structure of a Mixed Organosodium/Lithium Alkoxide Compound: Model for a Superbase | Zendy

Harder Sjoerd | Zendy; Streitwieser Andrew | Zendy

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First Structure of a Mixed Organosodium/Lithium Alkoxide Compound: Model for a Superbase

Author(s) -

Harder Sjoerd,

Streitwieser Andrew

Publication year - 1993

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.199310661

Subject(s) - superbase , alkoxide , tetramer , lithium (medication) , tetragonal crystal system , alkali metal , chemistry , crystallography , molecule , lithium metal , inorganic chemistry , stereochemistry , crystal structure , organic chemistry , medicine , electrode , electrolyte , enzyme , endocrinology , catalysis

LiO interactions dominate the structure of 1 , a molecule that contains the MC and LiO functionalities suspected to play a role in superbases involving RLi and R′OM (M = Na, K, Rb, Cs). Compound 1 forms a tmeda‐coordinated tetramer with a central Li 4 O 4 cube, and its O atoms have tetragonal‐pyramidal coordination. This structure offers a possible explanation of the activation of organolithium compounds by alkali metal alkoxides.

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