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Syntheses and Spectroscopic Studies of Some Novel Porphyrin-Pyropheophorbide Dimers and Trimers with Fixed Distances

✍ Scribed by Gang Zheng; Ravindra K Pandey; Timothy P Forsyth; Andrei N Kozyrev; Thomas J Dougherty; Kevin M Smith

Book ID: 104256737
Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 700 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(97)00369-9

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✦ Synopsis

Syntheses and spectroscopic properties of pyropheophorbide-porphyrindimers and a bis-Pyropheophorbide-porphyrin trimeraredescribed.Fluorescence spectroscopic data of theoligomersrevealthat themacrocyclesin thesystemsareonlyweaklycoupled.O 1997 Elsevier ScienceLtd.

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✍ Andrei N. Kozyrev; V. Suresh; Suresh Das; Mathias O. Senge; Masayuki Shibata; Th 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 253 KB

AbstractÐCondensation of 13 2 -oxopyropheophorbide a 1 with various aromatic diamines under acid-catalyzed conditions afforded a series of novel chlorins with fused quinoxaline or benzimidazole polyaromatic ring systems. This methodology was extended for the preparation of laterally bridged pyropheo