File:Fischer esterification-hydrolysis equilibrium.svg

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English: The acid-catalyzed hydrolysis of an ester is the reverse process of Fischer esterification, and vice versa. The two processes are in equilibrium with each other, though modifying the reaction conditions can cause one process to be favored over the other.
Date 15 August 2014, 17:14:20
Source Own work
Author Krishnavedala
SVG development
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This vector image was created with LaTeX.
Source code
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LaTeX code

{{w:LaTeX}} source code 
\documentclass[12pt,border=1pt,crop,multi=false,tikz,class=scrartcl]{standalone}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{chemfig,chemmacros,chemformula}
\usepackage{lmodern}
\usetikzlibrary{decorations.pathmorphing}

\chemsetup[chemformula]{font-shape=sf,format=\sffamily}
\renewcommand*{\familydefault}{\sfdefault}
\renewcommand*\printatom[1]{\ensuremath{\mathsf{#1} } }
\setatomsep{2em}
\setdoublesep{.6ex}
\setarrowdefault{,1,semithick}
\setbondstyle{thick}
%\setarrowlabelsep{1em}

\makeatletter
\begin{document}
\definesubmol\nobond{-[,0.25,,,draw=none]}

%\schemedebug{true}
\schemestart[-90][west]
	{\color{red}\textbf{Forward Direction: }Acid catalyzed hydrolysis}
    \arrow(.south west--.north west){0}[,.1]
    \subscheme{
    	\chemfig{R-[:30](=[::60]@{a1}O)-[::-60]OR'}
        \arrow{<=>[\chemfig{@{a2}H\pch}]}
        \chemfig{R-[:30]@{a5}(=[@{a3}::60]@{a4}\chemabove{O}{\scrp}H)-[::-60]OR'}
        \arrow{<=>[\chemfig{H_2@{a6}O}]}
        \chemfig{R-[:30](-[::60]OH)(-[::-60]@{a9}OR')-[6]@{a7}\chembelow{O}{\scrp}(-[::-60]H)-[@{a8}::60]@{a10}H}
        \arrow{<=>}
        \chemfig{R-[:30](-[@{a11}::60]@{a12}OH)(-[@{a13}::-60]@{a14}\chemabove{O}{\scrp}(-[::60]R')-[::-60]H)-[6]O-[::-60]H}
        \arrow{<=>[][$-$ \ch{R'-OH}]}
        \chemfig{R-[:30](=[::60]\chemabove{O}{\scrp}H)-[::-60]OH}
        \arrow{<=>[][$-$ \ch{H+}]}
        \chemfig{R-[:30](=[::60]O)-[::-60]OH}
        \chemmove[-stealth,red,shorten >=2pt, shorten <=2pt]{
    		\draw (a1) .. controls +(east:5mm) and +(north west:8mm) .. (a2);
            \draw (a3) .. controls +(west:5mm) and +(west:5mm) .. (a4);
            \draw (a6) .. controls +(north:8mm) and +(east:5mm) .. (a5);
            \draw (a8) .. controls +(north east:5mm) and +(east:5mm) .. (a7);
            \draw (a9) .. controls +(south:5mm) and +(north:5mm) .. (a10);
            \draw (a12) .. controls +(west:5mm) and +(west:5mm) .. (a11);
            \draw (a13) .. controls +(north:5mm) and +(north:5mm) .. ($(a14)+(0,1em)$);
    	}
    }
    \arrow(.south west--.north west){0}[,.25]
    \subscheme{
    	\chemfig{R-[:30](=[::60]O)-[::-60]OR'}
        \arrow{<=>[$-$ \ch{H+}]}
        \chemfig{R-[:30](=[::60]\chemabove{O}{\scrp}H)-[::-60]OR'}
        \arrow{<=>[$-$ \ch{H2O}]}
        \chemfig{R-[:30](-[@{b12}::60]@{b11}OH)(-[::-60]OR')-[@{b13}6]@{b14}\chembelow{O}{\scrp}(-[::-60]H)-[::60]H}
        \arrow{<=>}
        \chemfig{R-[:30](-[::60]OH)(-[::-60]@{b7}\chemabove{O}{\scrp}(-[::60]R')-[@{b8}::-60]@{b9}H)-[6]@{b10}O-[::-60]H}
        \arrow{<=>[][\chemfig{R'-@{b6}OH}]}
        \chemfig{R-[:30]@{b3}(=[@{b4}::60]@{b5}\chemabove{O}{\scrp}H)-[::-60]OH}
        \arrow{<=>[][\chemfig{@{b2}H\pch}]}
        \chemfig{R-[:30](=[::60]@{b1}O)-[::-60]OH}
        \chemmove[-stealth,blue,shorten >=2pt, shorten <=2pt]{
        	\draw (b1) .. controls +(west:5mm) and +(east:10mm) .. (b2);
            \draw (b4) .. controls +(west:5mm) and +(west:5mm) .. (b5);
            \draw (b6) .. controls +(south:5mm) and +(west:5mm) .. (b3);
            \draw (b8) .. controls +(east:5mm) and +(east:5mm) .. (b7);
            \draw (b10) .. controls +(south:5mm) and +(south west:5mm) .. (b9);
            \draw (b11) .. controls +(west:5mm) and +(west:5mm) .. (b12);
            \draw (b13) .. controls +(west:5mm) and +(west:5mm) .. (b14);
    	}
    }
    \arrow(.south east--.north east){0}[,.1]
    {\color{blue}\textbf{Reverse Direction: }Fischer esterification}
\schemestop
\end{document}

Licensing[edit]

Public domain 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.

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Date/TimeThumbnailDimensionsUserComment
current18:01, 2 October 2017Thumbnail for version as of 18:01, 2 October 2017824 × 226 (76 KB)Krishnavedala (talk | contribs)Reverted to version as of 21:17, 15 August 2014 (UTC)
18:00, 2 October 2017Thumbnail for version as of 18:00, 2 October 2017827 × 228 (44 KB)Krishnavedala (talk | contribs)converted from dvi using dvisvgm and manually edited
21:17, 15 August 2014Thumbnail for version as of 21:17, 15 August 2014824 × 226 (76 KB)Krishnavedala (talk | contribs)User created page with UploadWizard

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