CHAPTER 7 - Pyrroles and N-Vinylpyrroles from Ketones and Acetylenes: Recent Strides

Add time:08/27/2019    Source:sciencedirect.com

Publisher SummaryThis chapter describes the methods of synthesis of pyrroles and n-vinylpyrroles, their reactions, and their physicochemical and quantum chemical studies. The significant attention given to pyrroles is, mainly, due to the fact that the pyrrole nucleus is the structural unit of many fundamental compounds, important from the biological point of view, and which take part in the accumulation of solar energy, oxygen transfer processes, and other life-supporting reactions. The synthesis of pyrroles from ketones and acetylenes are considerably gaining strength as a powerful tool of pyrrole chemistry. The success of this synthesis approach, for the construction of the pyrrole nucleus, comes by complementing existing methods, for the synthesis of pyrroles, that enables easy synthesis of pyrroles, with alkyl, aryl, and hetaryl substituents, as well as various annulated pyrroles. This reaction makes available, practically, an unlimited series of N-vinylpyrroles that are readily protected NH-pyrroles, pyrrole ring-carriers, and monomers, having a wide synthetic potential.

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