File:Enolate Ireland model.svg
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Summary
| Description |
English: The stereoselective formation of enolates has been rationalized with the Ireland model. |
| Date | |
| Source | Own work |
| Author | Krishnavedala |
W3C-validity not checked.
| LaTeX source code |
|---|
\documentclass[12pt,border=1pt,crop,multi=false,tikz,class=scrartcl]{standalone}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{chemfig,chemmacros}
\usepackage{lmodern}
\usetikzlibrary{decorations.pathmorphing}
\chemsetup[chemformula]{font-shape=sf,format=\sffamily}
\renewcommand*{\familydefault}{\sfdefault}
\renewcommand*\printatom[1]{\ensuremath{\mathsf{#1}}}
\setatomsep{2.5em}
\setdoublesep{.6ex}
\setarrowdefault{,1,thick}
\setbondstyle{thick}
%\setarrowlabelsep{1em}
\makeatletter
\begin{document}
\definesubmol\nobond{-[,0.25,,,draw=none]}
%\schemedebug{true}
\schemestart[][north]
\chemfig{RO-[:30](=[2,.75]O)-[:-30]-[:30]Me}
\arrow{->[\ch{LiNR2}]}
\subscheme{
\chemleft[\chemfig{Li?-[:10]N(-[:-120]R)(-[2]R)-[:-10]H-[:60](-[2]H)(-[:-20]Me)-[:190](-[:60]OR)=[:-190]O?}\chemright]
\arrow{0}[-90,.1]
\chemleft[\chemname{\chemfig{Li?-[:10]N(-[:-120]R)(-[2]@{a1}R)-[:-10]H-[:60](-[2]@{a2}Me)(-[:-20]H)-[:190](-[:60]OR)=[:-190]O?}}{\footnotesize unfavourable syn-pentane}\chemright]
\chemmove{\draw[-, shorten >=2pt, shorten <=2pt] (a1) .. controls +(90:1c m) and +(130:5mm) .. (a2);}
}
\arrow
\subscheme{
\subscheme{\chemname*{\chemfig{RO-[:30](-[2]OLi)=[:-30]-[6]Me}}{favored}\qquad {E--enolate}}
\arrow(c6--){0}[-90,.5]
\subscheme{\chemname*{\chemfig{RO-[:30](-[2]OLi)=[:-30]-[:30]}}{unfavored} \,{Z--enolate}}
}
\schemestop
\end{document}
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Licensing
|
This image of a simple structural formula is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship. |  |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:14, 12 August 2014 | | 606 × 252 (44 KB) | Krishnavedala | User created page with UploadWizard |
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