Electrophilic substitution at the δ-methine bridge of pheophorbide <span class="math"><math><mtext>a</mtext></math></span> and <span class="math"><math><mtext>a</mtext></math></span>′期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Electrophilic substitution at the δ-methine bridge of pheophorbide $a$ and $a$ ′

Authors:	Paavo H Hynninen Simo Lötjönen

Institution:	1. Departments of Biochemistry and Chemistry, University of Kuopio, P.O.Box 138, SF-70101 Kuopio 10, Finland

Abstract:	A chloro-substituted derivative was prepared from chlorophyll $a$ ′. The derivative was shown to be δ-chloro-methyl pheophorbide $a$ by UV/VIS, MS and ′H NMR.

Keywords:
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