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Imine-substituted dipyrromethanes in the synthesis of porphyrins bearing one or two meso substituents

โœ Scribed by Taniguchi, Masahiko; Balakumar, Arumugham; Fan, Dazhong; McDowell, Brian E.; Lindsey, Jonathan S.


Book ID
119961511
Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
716 KB
Volume
09
Category
Article
ISSN
1088-4246

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One-flask synthesis of meso-substituted
โœ Chang-Hee Lee; Jonathan S. Lindsey ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 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