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Synthesis of β-substituted porphyrin building blocks and conversion to diphenylethyne-linked porphyrin dimers

✍ Scribed by Thiagarajan Balasubramanian; Jonathan S. Lindsey


Book ID
108379352
Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
922 KB
Volume
55
Category
Article
ISSN
0040-4020

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One-flask synthesis of meso-substituted
✍ Chang-Hee Lee; Jonathan S. Lindsey 📂 Article 📅 1994 🏛 Elsevier Science 🌐 French ⚖ 985 KB

The reaction at room temperature of an aldehyde with excess pyrrole in the absence of solvent affords the meso-substituted dipyrromethane. The reaction is catalyzed with trifluoroacetic acid or with BF9,0(Et)2. The dipyrromethaue is purified by crystallixation or by flash chromatography on silica wi