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A modular synthesis of unsymmetrical tetraarylazadipyrromethenes

…, SO McDonnell, J Killoran, DF O'Shea

文献索引:Hall, Michael J.; McDonnell, Shane O.; Killoran, John; O'Shea, Donal F. Journal of Organic Chemistry, 2005 , vol. 70, # 14 p. 5571 - 5578

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被引用次数: 83

摘要

A stepwise route to unsymmetrical tetraarylazadipyrromethenes by a condensation of 2, 4- diaryl-5-nitroso-pyrroles with 2, 4-diarylpyrroles is described. This modular building-block approach allows for the introduction of up to four different aryl substituents on the azadipyrromethene and is tolerant of a varied substituent set. An efficient synthesis of the 2, 4-diarylpyrroles building blocks from 1, 3-diaryl-4-nitro-butan-1-ones by nitro hydrolysis to ...

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