叶绿素a（chlorophyll a）

称谓

叶绿素a chlorophyll a

3D结构

CCC1=C(C2=NC1=CC3=C(C4=C([N-]3)C(=C5[C@H]([C@@H](C(=N5)C=C6C(=C(C(=C2)[N-]6)C=C)C)C)CCC(=O)OC/C=C(\C)/CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C4=O)C(=O)OC)C)C.[Mg+2]

$结构式：$

-

\usepackage{chemfig}
\begin{document}

\setchemfig{cram width=3pt}
\definesubmol{a}{-P(=[::-90,0.75]O)(-[::90,0.75]HO)-}
\chemfig{
% 左上角
?=[::+72]*5(
	-N(-[6.7,1.25,,,dashed])
	=
		(
			%
			-(-[1.3](-[7.83,1.1])<[2.5]C(=[4]O)-[1.1]OCH_3)
			%右上角
			=[::-72]*5
				(
					-[,,,]N^{-}(-[5.3,1.25,,,])
					-[,,1](
							=
							% 右下角
							-[::-36]*5
								(
									=N(-[2.7,1.25,,,dashed])
									-
										(
											=
											% 左下角
											-[::-72]*5
												(
													-N^{-}(-[1.3,1.5,,,]Mg^{2+})
													-[,,1]?
													=(-H_3C)
													-(-[,,,1]=[4.3,,1,2]H_2C)
													=
												)
											)
									-(-CH_3)
									=(-CH_2CH_3)
									-
								)
						)
					-(-CH_3)
					=(-[2.2,,,1](=[1]O))
					-
				)
		)
	-(<:[,,,1]CH_2-[,,1,1]CH_2-[,,,1]C(=[0.5]O)-[,,,1]OR)
	%=
	-(<H_3C)
	-
)
}

\end{document}

- ![[Chlorophyll_a.svg.png]]

在陆地植物中最广泛分布的形式。吸收最红端的光，激发能最低。