LrgpV1, Main, Exploration, bibRecord, 001055

A Study of BF3‐Promoted ortho Lithiation of Anilines and DFT Calculations on the Role of Fluorine–Lithium Interactions

Identifieur interne : 001055 ( Main/Exploration ); précédent : 001054; suivant : 001056

A Study of BF3‐Promoted ortho Lithiation of Anilines and DFT Calculations on the Role of Fluorine–Lithium Interactions

Auteurs : Satinder Kessar [Inde] ; Paramjit Singh ; Kamal Singh ; Prasad Bharatam ; Arvind Sharma ; Sneh Lata ; Amarjit Kaur

Source :

Angewandte Chemie [ 0044-8249 ] ; 2008-06-09.

RBID : ISTEX:01557950918386849AB839365C861F3E77833819

English descriptors

KwdEn :
- Acidic centers, Amino group, Angew, Aniline, Atom ortho, Bond length, Boron atom, Chem, Greater extent, Hydrogen atoms, Inductive effect, Lewis acid, Lithiated, Lithiation, Lithium, Nitrogen atom, Nitrogen center, Ortho, Ortho lithiation, Ortho metalation, Ortho position, Ph2co, Position ortho, Product formation, Singh, Verlag gmbh, Weinheim angew.
Teeft :
- Acidic centers, Amino group, Angew, Aniline, Atom ortho, Bond length, Boron atom, Chem, Greater extent, Hydrogen atoms, Inductive effect, Lewis acid, Lithiated, Lithiation, Lithium, Nitrogen atom, Nitrogen center, Ortho, Ortho lithiation, Ortho metalation, Ortho position, Ph2co, Position ortho, Product formation, Singh, Verlag gmbh, Weinheim angew.

Abstract

Überraschende Hilfe: Aus der bei der ortho‐Metallierung kaum steuernd wirkenden Dimethylaminogruppe wird durch die Komplexierung mit BF3 eine stärker als Methoxy‐ und Chlorgruppen aktivierende Gruppe. Nach DFT‐Rechnungen an vereinfachten lithiierten Intermediaten spielt der induktive Effekt kaum eine Rolle, während eine deutliche F⋅⋅⋅Li‐Wechselwirkung zu einem F‐Li‐Abstand führt, der dem C‐Li‐Abstand erstaunlich nahekommt.

Url:

https://api.istex.fr/document/01557950918386849AB839365C861F3E77833819/fulltext/pdf

DOI: 10.1002/ange.200705967

Affiliations:

Inde

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Le document en format XML

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<front><div type="abstract">Überraschende Hilfe: Aus der bei der ortho‐Metallierung kaum steuernd wirkenden Dimethylaminogruppe wird durch die Komplexierung mit BF3 eine stärker als Methoxy‐ und Chlorgruppen aktivierende Gruppe. Nach DFT‐Rechnungen an vereinfachten lithiierten Intermediaten spielt der induktive Effekt kaum eine Rolle, während eine deutliche F⋅⋅⋅Li‐Wechselwirkung zu einem F‐Li‐Abstand führt, der dem C‐Li‐Abstand erstaunlich nahekommt.</div>
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A Study of BF3‐Promoted ortho Lithiation of Anilines and DFT Calculations on the Role of Fluorine–Lithium Interactions

A Study of BF3‐Promoted ortho Lithiation of Anilines and DFT Calculations on the Role of Fluorine–Lithium Interactions

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri