Effect of Meso Aryl Substituents on the Synthesis of Core-Modified Expanded Porphyrins
β Scribed by Kumar, Rajeev; Misra, Rajneesh; Chandrashekar, Tavarekere K.
- Book ID
- 125902091
- Publisher
- American Chemical Society
- Year
- 2006
- Tongue
- English
- Weight
- 98 KB
- Volume
- 8
- Category
- Article
- ISSN
- 1523-7060
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π SIMILAR VOLUMES
3+2] condensation between modified tripyrromethane and bithiophene or bifurandiol leads to the formation of 18n, 22n, 26~ macrocycles under Lewis acid conditions while only 22n macrocycle is formed under protic acid conditions.
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meso-Aryl expanded porphyrins were prepared in a ring size selective manner from methanesulfonic acid-catalyzed reaction of dipyrromethane and tripyrromethane with aryl aldehydes.
Reaction of various diols with pyrrole in TFA/CH2CI 2 leads to formation of core modified expanded porphyrins.