\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{chemfig}
\begin{document}
\schemestart \chemfig{CH_3CH_2CH_2CH_2-OH} \arrow(.mid east--.mid west){->[O]} \chemfig{CH_3CH_2CH_2-C(=[2]O)-H} \arrow(.mid east--.mid west){->[O]} \chemfig{CH_3CH_2CH_2-C(=[2]O)-OH}
\schemestop
\end{document}
答案1
以下是使用缩写的两种替代方案n公关n-丙基。使用此缩写(和更短的键长),您应该能够在标准文档的文本宽度中将两个氧化反应并排放置article
:
\documentclass{article}
\usepackage{chemfig}
\usepackage{chemformula}
\setchemfig{atom sep=2.25em}
\begin{document}
\noindent
\schemestart
\chemfig{\textit{n}Pr-CH_2-OH}
\arrow(.mid east--.mid west){->[\ch{K2Cr2O7}, \ch{H+}]}[,1.8]
\chemfig{\textit{n}Pr-C(=[2]O)-H}
\arrow(.mid east--.mid west){->[[O]]}
\chemfig{\textit{n}Pr-C(=[2]O)-OH}
\schemestop
\bigskip
\noindent
\schemestart
\chemfig{\textit{n}Pr-CH_2-OH}
\arrow(.mid east--.mid west){->[\ch{K2Cr2O7}, \ch{H+}]}[,1.8]
\chemfig{\textit{n}Pr-[:30]C(=[2]O)-[:-30]H}
\arrow(.mid east--.mid west){->[[O]]}
\chemfig{\textit{n}Pr-[:30]C(=[2]O)-[:-30]OH}
\schemestop
\end{document}
答案2
\documentclass{article}
\usepackage{chemfig}
\setchemfig{atom sep=2em}
\definesubmol\I{\vphantom{C}}
\begin{document}
\schemestart
\chemfig{CH_3|!\I-CH_2|!\I-CH_2|!\I-CH_2|!\I(=[2,,,,draw=none]\vphantom{O})-OH}
\arrow(.mid east--.mid west)
{->[ \footnotesize\chemfig{K_2Cr_2O_7}/\chemfig{H^{+}} ]}[,1.6]
\chemfig{CH_3|!\I-CH_2|!\I-CH_2|!\I-C|!\I(=[2]O)
-@{h3}H}
\arrow(.mid east--.mid east){0}[-90,2]
\chemfig{CH_3|!\I-CH_2|!\I-CH_2|!\I-C(=[2]O)-O@{h4}H}
\schemestop
\chemmove{
\draw[shorten <=5pt, shorten >=5pt]
(h3) -- ([xshift=25pt]h3.center) -- node[pos=0.5,right] {\footnotesize [O]} ([xshift=25pt]h4.center) -- (h4);
}
\end{document}
答案3
\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{chemfig}
\begin{document}
\schemestart
\chemfig{CH_3CH_2CH_2CH_2-OH}
\arrow(.mid east--.mid west){->[O]}
\chemfig{CH_3CH_2CH_2-C(=[2]O)-H}
\arrow(.mid east--.mid west){->[O]}
\chemfig{CH_3CH_2CH_2-C(=[2]O)-OH}
\schemestop
\end{document}
答案4
\documentclass{article}
\usepackage{chemfig}
\usepackage{fontspec}
\usepackage{polyglossia}
\setmainlanguage[numerals=maghrib]{arabic}
\setotherlanguage{english}
\newfontfamily\arabicfont[Script=Arabic,Scale=1.0]{Simplified Arabic}
\newcommand{\en}{\textenglish}
\newcommand{\ar}{\textarabic}
\setchemfig{atom sep=2em}
\begin{document}
\schemestart
\chemfig{CH_3-CH_2-CH_2-CH_2-OH}
\arrow(.mid east--.mid west)
{->[ \footnotesize\chemfig{K_2Cr_2O_7}/\chemfig{H^{+}} ]}[,1.6]
\chemfig{CH_3-CH_2-CH_2-C(=[2]O)
-@{h3}H}
\arrow(.mid east--.mid east){0}[-90,2]
\chemfig{CH_3-CH_2-CH_2-C(=[2]O)-O@{h4}H}
\schemestop
\chemmove{
\draw[shorten <=5pt, shorten >=5pt]
(h3) -- ([xshift=25pt]h3.center) -- node[pos=0.5,right] {\footnotesize [O]} ([xshift=25pt]h4.center) -- (h4);
}
\end{document}