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Search results for: pyrrole in all categories

213 results found.

22 pages of results.
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... ,4- vs 3,4-Disubsituted Pyrrole Synthesis Switched by Copper and Nickel Catalysts ... 4- and 3,4-diaryl substituted pyrroles depending on the selection of the transition ...
URL: http://www.organic-chemistry.org/abstracts/lit3/805.shtm
... , Thiophenes, Paal-Knorr( Furan, Pyrrole, Thiophene) Synthesis, Microwaves, ... Three-Step Regiocontrolled Synthesis of Polysubstituted Furans, Pyrroles and Thiophenes Giacomo Minetto, Luca F ...
URL: http://www.organic-chemistry.org/abstracts/lit1/066.shtm
... Organic Chemistry Portal Regiocontrolled Synthesis of Polysubstituted Pyrroles Starting from Terminal Alkynes, Sulfonyl Azides ... nickel(0) catalyst to produce isopyrroles. These intermediates are further converted to ...
URL: http://www.organic-chemistry.org/abstracts/lit4/082.shtm
... cycloadditions. Scope and limitations of both pyrrole syntheses are discussed. see article for ... Chemistry Portal Versatile Direct Synthesis of Oligosubstituted Pyrroles by Cycloaddition of ?-Metalated Isocyanides to Acetylenes ...
URL: http://www.organic-chemistry.org/abstracts/literature/968.shtm
... ring expansion to afford 2,5-substituted pyrrole products. Depending on the the counterion ... Counterion Effects in a Gold-Catalyzed Synthesis of Pyrroles from Alkynyl Aziridines Paul W. Davies ...
URL: http://www.organic-chemistry.org/abstracts/lit2/556.shtm
... the alkyne 7, leading to the pyrrole 8. Min Shi of the Shanghai ... as 1 to the furan 2. Pyrroles can also be prepared using the same ...
URL: http://www.organic-chemistry.org/Highlights/2010/21June.shtm
... Organic Chemistry Portal Synthesis of Highly Substituted Pyrroles via a Multimetal-Catalyzed Rearrangement-Condensation-Cycliza ion Domino Approach ... effectively converted into tetra- and pentasubstituted 5-methylpyrroles through a silver(I )-catalyzed propargyl-Claisen ...
URL: http://www.organic-chemistry.org/abstracts/lit1/258.shtm
... . This protocol also worked well with pyrrole carboxylic acids. In another transformation of ... ) a route to more highly substituted pyrroles such as 17 using the remarkable four-component ...
URL: http://www.organic-chemistry.org/Highlights/2010/18October.shtm
... Portal I 2 -Catalyzed Synthesis of Substituted Pyrroles from ?-Amino Carbonyl Compounds and Aldehydes Rulong ... a synthesis of 1,3,4-triarylpyrroles. This reaction proceeds smoothly in good ...
URL: http://www.organic-chemistry.org/abstracts/lit4/319.shtm
... a wide range of polysubstituted 2,3-dihydropyrroles in a highly regioselective manner through a ... ?-unsaturated aldehydes to produce trans-2,3-disubstituted dihydropyrroles. The method can be successfully applied ...
URL: http://www.organic-chemistry.org/synthesis/heterocycles/2-pyrrolines.shtm
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