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\documentclass[letterpaper]{article}
\usepackage[T1]{fontenc}
\usepackage{geometry}
\geometry{margin = 1in}
\usepackage{setspace}
\usepackage{chemfig}
\usepackage[style = chem-acs]{biblatex}
\addbibresource{references.bib}
\usepackage{graphicx}
\usepackage{float}
\newfloat{scheme}{htbp}{los}
\floatname{scheme}{Scheme}
\floatname{chart}{Chart}
\newfloat{graph}{htbp}{loh}
\usepackage{chemformula} % Formulas using \ch{}
% or
\usepackage[version = 4]{mhchem} % Formulas using \ce{}
\setcounter{secnumdepth}{-1}
\newcommand*\mycommand[1]{\texttt{\emph{#1}}}
\usepackage{authblk}
\author[1]{Shivam Tripathi}
\author[1]{Keshav Anand}
\affil[1]{Plano East Senior High School, Plano, TX, United States}
\title{Acid-Catalyzed Tandem Hydrolysis--Esterification of Acetylsalicylic Acid
from Commerical Asprin Tablets to Form Methyl Salicylate}
% Use the \date command for email address(s) of corresponding authors
\begin{document}
\maketitle
\begin{abstract}
This is an example document for creating \LaTeX{} submissions to the American
Chemical Society (ACS) for publication. As ACS does not use \LaTeX{} for
typesetting accepted manuscripts, this template does not seek to
reproduce the appearance of a published paper.
\end{abstract}
\section{Introduction}
Acetylsalicylic acid (ASA), \ch{C9H8O4}, is a synthetic organic derivative of salicylic acid
and is commonly known as aspirin~\cite{Fijakowski2022}.\\
\begin{figure}[ht]
\centering
\vspace{1em} % Adds space above the molecule
\chemfig{*6(-=-(-O-[:-30](=[:-90]O)-[:+30]CH_3)=([:60]-[:90](=[:150]O)-[:30]OH)-=)}
\vspace{1em} % Adds space below the molecule
\caption{Chemical structure of ASA}
\label{fig:asa-structure}
\end{figure}
Commercial aspirin is commonly synthesized from salicylic acid through Eq~\ref{eq:aspirin-syn},
and the two molecules differ by an ester group (\ch{-OCOCH3})~\cite{Sneader2000}.
\begin{equation}
\ce{C7H6O3 + C4H6O3 ->[H2SO4] C9H8O4 + CH3COOH}
\label{eq:aspirin-syn}
\end{equation} \\
Another common derivative product of salicylic acid is methyl salicylate, \ch{C8H8O3}, commonly referred to
as wintergreen oil. Methyl salicylate is commonly used in edibles (e.g. gum, mints), perfumes, and pain-relief
ointments (e.g. Icy Hot, BenGay)~\cite{Guo2022}. Methyl salicylate also differs with salicylic acid by a single ester group and
has simply been esterified differently than ASA.\\
\begin{figure}[ht]
\centering
\vspace{1em} % Adds space above the molecule
\chemfig{*6(-=-(-OH)=([:60]-[:90](=[:150]O)-[:30]O-[:+90]CH_3)-=)}
\vspace{1em} % Adds space below the molecule
\caption{Chemical structure of methyl salicylate}
\label{fig:methyl-salicylate}
\end{figure}
Due to the similarity between the two molecules, ASA can be reacted to synthesize methyl salicylate~\cite{Hartel2009}.
The purpose of this experiment was to convert acetylsalicylic acid obtained from
commercial aspirin tablets into methyl salicylate through acid-catalyzed esterification
in methanol under reflux conditions.
\section{Results and discussion}
\subsection{Outline}
The document layout should follow the style of the journal concerned. Where
appropriate, sections and subsections should be added in the normal way.
\subsection{References}
References should be given in the normal way in \LaTeX{}. If you are using
\textsf{biblatex} (as recommended) then you can use the full range of citation
commands it provides. If you choose to use classical Bib\TeX{}, the
\textsf{natbib} package will be loaded and you can use it's commands.
\subsection{Floats}
New float types are set up in the preamble. The means graphics are included as
follows (Scheme~\ref{sch:example}). As illustrated, the float is ``here'' if
possible.
\begin{scheme}
\centering
Your scheme graphic would go here: PDF graphics are recommended.
%\includegraphics{graphic}
\caption{An example scheme}
\label{sch:example}
\end{scheme}
The use of the different floating environments is not required, but it is
intended to make document preparation easier for authors. In general, you
should place your graphics where they make logical sense; the production
process will move them if needed.
\subsection{Math}
If packages such as \textsf{amsmath} are required, they should be loaded in the
preamble. However, the basic \LaTeX\ math(s) input should work correctly
without this. Some inline material $1 + 1 = 2$ followed by some display. \[ A =
\pi r^2 \]
It is possible to label equations in the usual way (Eq.~\ref{eqn:example}).
\begin{equation}
\frac{\mathrm{d}}{\mathrm{d}x} \, r^2 = 2r \label{eqn:example}
\end{equation}
This can also be used to have equations containing graphical content. To align
the equation number with the middle of the graphic, rather than the bottom, a
minipage may be used.
\begin{equation}
\begin{minipage}[c]{0.80\linewidth}
\centering
As illustrated here, the width of \\
the minipage needs to allow some \\
space for the number to fit in to.
%\includegraphics{graphic}
\end{minipage}
\label{eqn:graphic}
\end{equation}
\section{Experimental}
The usual experimental details should appear here. This could include a table,
which can be referenced as Table~\ref{tbl:example}. Notice that the caption is
positioned at the top of the table.
\begin{table}
\caption{An example table}
\label{tbl:example}
\centering
\begin{tabular}{ll}
\hline
Header one & Header two \\
\hline
Entry one & Entry two \\
Entry three & Entry four \\
Entry five & Entry five \\
Entry seven & Entry eight \\
\hline
\end{tabular}
\end{table}
Adding notes to tables can be complicated. Perhaps the easiest method is to
generate these using the basic \texttt{\textbackslash textsuperscript} and
\texttt{\textbackslash emph} macros, as illustrated (Table~\ref{tbl:notes}).
\begin{table}
\caption{A table with notes}
\label{tbl:notes}
\centering
\begin{tabular}{ll}
\hline
Header one & Header two \\
\hline
Entry one\textsuperscript{\emph{a}} & Entry two \\
Entry three\textsuperscript{\emph{b}} & Entry four \\
\hline
\end{tabular}
\textsuperscript{\emph{a}} Some text;
\textsuperscript{\emph{b}} Some more text.
\end{table}
The example file also loads the optional \textsf{chemformula} and
\textsf{mhchem} packages, so that formulas are easy to input:
\texttt{\textbackslash ce\{H2SO4\}} gives \ce{H2SO4}. The two have similar
syntax but authors may prefer one or the other.
The use of new commands should be limited to simple things which will not
interfere with the production process. For example, \texttt{\textbackslash
mycommand} has been defined in this example, to give italic, mono-spaced text:
\mycommand{some text}.
\section*{Acknowledgements}
Please use ``The authors thank \ldots'' rather than ``The authors would like to
thank \ldots''.
\section*{Supporting information}
A listing of the contents of each file supplied as Supporting Information
should be included. For instructions on what should be included in the
Supporting Information as well as how to prepare this material for
publications, refer to the journal's Instructions for Authors.
The following files are available free of charge.
\begin{itemize}
\item Filename-1: brief description
\item Filename-2: brief description
\end{itemize}
\printbibliography
\newpage
\rule{0.05in}{1.75in}%
\begin{minipage}[b][1.75in]{3.25in}
\sffamily
\frenchspacing
Some journals require a graphical entry for the Table of Contents. This
should be laid out ``print ready'' so that the sizing of the text is correct.
The space available depends on the journal: J. Am. Chem. Soc. allows 3.25 in
by 1.75 in and requires sanserif text. Some journals want different sizes:
you can easily adjust here.
The two rules either side of the content are there to help judge the height
of your material: they may be deleted once not required.
\end{minipage}%
\rule{0.05in}{1.75in}
\end{document}
\documentclass[letterpaper]{article}
\usepackage[T1]{fontenc}
\usepackage{geometry}
\geometry{margin = 1in}
\usepackage{setspace}
\usepackage{chemfig}
\usepackage[style = chem-acs]{biblatex}
\addbibresource{references.bib}
\usepackage{graphicx}
\usepackage{float}
\newfloat{scheme}{htbp}{los}
\floatname{scheme}{Scheme}
\floatname{chart}{Chart}
\newfloat{graph}{htbp}{loh}
\usepackage{chemformula} % Formulas using \ch{}
% or
\usepackage[version = 4]{mhchem} % Formulas using \ce{}
\setcounter{secnumdepth}{-1}
\newcommand*\mycommand[1]{\texttt{\emph{#1}}}
\usepackage{authblk}
\author[1]{Shivam Tripathi}
\author[1]{Keshav Anand}
\affil[1]{Plano East Senior High School, Plano, TX, United States}
\title{Acid-Catalyzed Tandem Hydrolysis--Esterification of Acetylsalicylic Acid
from Commerical Asprin Tablets to Form Methyl Salicylate}
% Use the \date command for email address(s) of corresponding authors
\begin{document}
\maketitle
\begin{abstract}
Methyl salicylate was synthesized from commercial aspirin tablets via an acid-catalyzed
tandem hydrolysis–esterification sequence. Acetylsalicylic acid (ASA) was extracted
from the tablet matrix into methanol and reacted under reflux with a catalytic
volume of \ce{H2SO4}. This one-pot method facilitates simultaneous deacetylation
and Fischer esterification, bypassing the isolation of a salicylic acid intermediate.
The resulting methyl salicylate was isolated via aqueous quenching and
liquid--liquid extraction. Crude product purification was achieved through
neutralization with saturated \ce{NaHCO3} and drying over anhydrous \ce{MgSO4}.
This synthesis demonstrates an efficient, high-yield conversion of a common
pharmaceutical precursor into a high-value fragrance ester, highlighting
fundamental principles of equilibrium-driven organic transformations and
multistep one-pot synthesis.
\end{abstract}
\section{Introduction}
Acetylsalicylic acid (ASA), \ch{C9H8O4}, is a synthetic organic derivative of salicylic acid
and is commonly known as aspirin~\cite{Fijakowski2022}.\\
\begin{figure}[ht]
\centering
\vspace{1em} % Adds space above the molecule
\chemfig{*6(-=-(-O-[:-30](=[:-90]O)-[:+30]CH_3)=([:60]-[:90](=[:150]O)-[:30]OH)-=)}
\vspace{1em} % Adds space below the molecule
\caption{Chemical structure of ASA}
\label{fig:asa-structure}
\end{figure}
Commercial aspirin is commonly synthesized from salicylic acid through Eq~\ref{eq:aspirin-syn},
and the two molecules differ by an ester group (\ch{-OCOCH3})~\cite{Sneader2000}.
\begin{equation}
\ce{C7H6O3 + C4H6O3 ->[H2SO4] C9H8O4 + CH3COOH}
\label{eq:aspirin-syn}
\end{equation} \\
Another common derivative product of salicylic acid is methyl salicylate, \ch{C8H8O3}, commonly referred to
as wintergreen oil. Methyl salicylate is commonly used in edibles (e.g. gum, mints), perfumes, and pain-relief
ointments (e.g. Icy Hot, BenGay)~\cite{Guo2022}. Methyl salicylate also differs with salicylic acid by a single ester group and
has simply been esterified differently than ASA.\\
\begin{figure}[ht]
\centering
\vspace{1em} % Adds space above the molecule
\chemfig{*6(-=-(-OH)=([:60]-[:90](=[:150]O)-[:30]O-[:+90]CH_3)-=)}
\vspace{1em} % Adds space below the molecule
\caption{Chemical structure of methyl salicylate}
\label{fig:methyl-salicylate}
\end{figure}
Due to the similarity between the two molecules, ASA can be reacted to synthesize methyl salicylate~\cite{Hartel2009}.
The purpose of this experiment was to convert acetylsalicylic acid obtained from
commercial aspirin tablets into methyl salicylate through acid-catalyzed esterification
in methanol under reflux conditions.
\section{Results and discussion}
\subsection{Outline}
The document layout should follow the style of the journal concerned. Where
appropriate, sections and subsections should be added in the normal way.
\subsection{References}
References should be given in the normal way in \LaTeX{}. If you are using
\textsf{biblatex} (as recommended) then you can use the full range of citation
commands it provides. If you choose to use classical Bib\TeX{}, the
\textsf{natbib} package will be loaded and you can use it's commands.
\subsection{Floats}
New float types are set up in the preamble. The means graphics are included as
follows (Scheme~\ref{sch:example}). As illustrated, the float is ``here'' if
possible.
\begin{scheme}
\centering
Your scheme graphic would go here: PDF graphics are recommended.
%\includegraphics{graphic}
\caption{An example scheme}
\label{sch:example}
\end{scheme}
The use of the different floating environments is not required, but it is
intended to make document preparation easier for authors. In general, you
should place your graphics where they make logical sense; the production
process will move them if needed.
\subsection{Math}
If packages such as \textsf{amsmath} are required, they should be loaded in the
preamble. However, the basic \LaTeX\ math(s) input should work correctly
without this. Some inline material $1 + 1 = 2$ followed by some display. \[ A =
\pi r^2 \]
It is possible to label equations in the usual way (Eq.~\ref{eqn:example}).
\begin{equation}
\frac{\mathrm{d}}{\mathrm{d}x} \, r^2 = 2r \label{eqn:example}
\end{equation}
This can also be used to have equations containing graphical content. To align
the equation number with the middle of the graphic, rather than the bottom, a
minipage may be used.
\begin{equation}
\begin{minipage}[c]{0.80\linewidth}
\centering
As illustrated here, the width of \\
the minipage needs to allow some \\
space for the number to fit in to.
%\includegraphics{graphic}
\end{minipage}
\label{eqn:graphic}
\end{equation}
\section{Experimental}
The usual experimental details should appear here. This could include a table,
which can be referenced as Table~\ref{tbl:example}. Notice that the caption is
positioned at the top of the table.
\begin{table}
\caption{An example table}
\label{tbl:example}
\centering
\begin{tabular}{ll}
\hline
Header one & Header two \\
\hline
Entry one & Entry two \\
Entry three & Entry four \\
Entry five & Entry five \\
Entry seven & Entry eight \\
\hline
\end{tabular}
\end{table}
Adding notes to tables can be complicated. Perhaps the easiest method is to
generate these using the basic \texttt{\textbackslash textsuperscript} and
\texttt{\textbackslash emph} macros, as illustrated (Table~\ref{tbl:notes}).
\begin{table}
\caption{A table with notes}
\label{tbl:notes}
\centering
\begin{tabular}{ll}
\hline
Header one & Header two \\
\hline
Entry one\textsuperscript{\emph{a}} & Entry two \\
Entry three\textsuperscript{\emph{b}} & Entry four \\
\hline
\end{tabular}
\textsuperscript{\emph{a}} Some text;
\textsuperscript{\emph{b}} Some more text.
\end{table}
The example file also loads the optional \textsf{chemformula} and
\textsf{mhchem} packages, so that formulas are easy to input:
\texttt{\textbackslash ce\{H2SO4\}} gives \ce{H2SO4}. The two have similar
syntax but authors may prefer one or the other.
The use of new commands should be limited to simple things which will not
interfere with the production process. For example, \texttt{\textbackslash
mycommand} has been defined in this example, to give italic, mono-spaced text:
\mycommand{some text}.
\section*{Acknowledgements}
Please use ``The authors thank \ldots'' rather than ``The authors would like to
thank \ldots''.
\section*{Supporting information}
A listing of the contents of each file supplied as Supporting Information
should be included. For instructions on what should be included in the
Supporting Information as well as how to prepare this material for
publications, refer to the journal's Instructions for Authors.
The following files are available free of charge.
\begin{itemize}
\item Filename-1: brief description
\item Filename-2: brief description
\end{itemize}
\printbibliography
\newpage
\rule{0.05in}{1.75in}%
\begin{minipage}[b][1.75in]{3.25in}
\sffamily
\frenchspacing
Some journals require a graphical entry for the Table of Contents. This
should be laid out ``print ready'' so that the sizing of the text is correct.
The space available depends on the journal: J. Am. Chem. Soc. allows 3.25 in
by 1.75 in and requires sanserif text. Some journals want different sizes:
you can easily adjust here.
The two rules either side of the content are there to help judge the height
of your material: they may be deleted once not required.
\end{minipage}%
\rule{0.05in}{1.75in}
\end{document}