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Search results for: pyrrole in all categories

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... A Simple and Highly Regioselective N-Substitution of Pyrrole Zhang-Gao Lea, Zhen-Chu Chen*, ... in a highly regioselective manner to afford N-alkylpyrroles. see article for more examples Organic ...
URL: https://www.organic-chemistry.org/abstracts/literature/368.shtm
... intramolecular amination of organoboronates provides azetidines, pyrrolidines, and piperidines via a 1, ... afforded, in good yields, N-tosyl iodopyrrolidines and piperidines. A new, simple ...
URL: https://www.organic-chemistry.org/synthesis/heterocycles/piperidines.shtm
... furans and 1,2 ,5-trisubstituted pyrroles. S. Kramer, J. ... ,3-diynes allows access to 2,5-diamidopyrroles and 2,5-diamidofurans. This method ...
URL: https://www.organic-chemistry.org/synthesis/heterocycles/furans/furans.shtm
... ], a highly regioselective N-substitution of pyrrole with alkyl halides, sulfonyl chlorides, ... in a highly regioselective manner to afford N-alkylpyrroles. Z. G. Lea, Z. ...
URL: https://www.organic-chemistry.org/synthesis/C1N/heterocycles/alkylation.shtm
... , exo and endo) of the pyrrolidine products are obtained, regardless if the ... , again under microwave irradiation, gives pyrrole-2-carboxylate 1 as major and 2 as minor ...
URL: https://www.organic-chemistry.org/Highlights/2007/15June.shtm
... that the addition of an excess of pyrrolidine 7 to the aldehyde 8 gave an ... be rearranged with strong base to the pyrrole 9. Wei Zeng of the South ...
URL: https://www.organic-chemistry.org/Highlights/2016/27June.shtm
... to an imine 6 to give the pyrrolidine 8. More recently, he used ... stereogenic center on the sidechain of the pyrrolidone 11. Wei Wang of Lanzhou University ...
URL: https://www.organic-chemistry.org/Highlights/2013/22April.shtm
... , and oxidative cyclization to the target pyrrole ring. see article for more examples ... Chemistry Portal General Transition Metal-Free Synthesis of NH-Pyrroles from Secondary Alcohols and 2-Aminoalcohols Besir Krasniqi ...
URL: https://www.organic-chemistry.org/abstracts/lit6/813.shtm
... : 10.1016/j.tet.2003.11.087 Abstract Several aryl-substituted pyrrole derivates were prepared conveniently in a microwave-assisted ... Portal Microwave mediated facile one-pot synthesis of polyarylpyrroles from but-2-ene- and but-2-yne-1,4-diones ...
URL: https://www.organic-chemistry.org/abstracts/literature/123.shtm
... followed by acid-mediated cyclization to form the pyrrole ring. The preparative procedure is highly ... Portal A Practical Preparation of Highly Versatile N-Acylpyrroles from 2,4 ,4-Trimethoxybutan-1-amine Tomoaki ...
URL: https://www.organic-chemistry.org/abstracts/lit3/610.shtm
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