Theoretical evaluation of the reaction intermediate complex for an asymmetric reaction using a chiral lithium amide by the molecular mechanics (MM3) calculations

Chemistry Letters

Volumn 32, Issue 2, 2003, Pages 150-151

  Yoshida, Takashi ^a   Sakakibara, Kazuhisa ^a   Asami, Masatoshi ^a  

^a YOKOHAMA NATIONAL UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CYCLOHEXANE OXIDE; LITHIUM AMIDE; LITHIUM DERIVATIVE; TETRAHYDROFURAN; UNCLASSIFIED DRUG;

ARTICLE; CHIRALITY; COMPLEX FORMATION; ENANTIOSELECTIVITY; MOLECULAR MECHANICS;

EID: 0037545762     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2003.150     Document Type: Article

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22. The other type of the reaction intermediate complex can be created for the each (S)- and (R)-precursor where the positions of the lithium amide catalyst and the solvent molecule are interrchanged. However, these two complexes were not favorable ones leading to the transition states of this asymmetric reaction because the steric repulsion became larger between the lithium amide reagent and the cyclohexene oxide. The detailed discussions will be reported elsewhere.
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