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... of Cyclobutenones via a Tandem Michael Addition/Cyclization Reaction ... 2,3-Allenoates with Organozincs Guobi Chai, Shangze Wu ... addition/cyclic 1,2-addition/elimination of 2 ...
URL: https://www.organic-chemistry.org/abstracts/lit3/198.shtm
... ORGANIC-SYNTHESIS; RAY CRYSTAL-STRUCTURE; MICHAEL ADDITION; ASYMMETRIC-SYNTHESIS; ... =N-C=C/CYCLOADDITION/[4+ ... /RAY CRYSTAL-STRUCTURE Carbon nucleophile addition to sp(2 ...
URL: https://www.organic-chemistry.org/abstracts/authors/barluenga-j.shtm
... . The authors propose a Michael addition, cyclization and ... reaction sequence, where the acetic acid acts as both ... min-4.25 h. Reformatsky Conjugate Additions A re-examination of the ...
URL: https://www.organic-chemistry.org/Highlights/2007/15April.shtm
... 4-Addition of ?-Oxocarboxylic Acids with Michael Acceptors Enabled by Photoredox ... enables a decarboxylative 1,4-addition of 2-oxo-2-( ... Chemistry Portal Decarboxylative 1,4-Addition of ?-Oxocarboxylic Acids with ...
URL: https://www.organic-chemistry.org/abstracts/lit5/145.shtm
... Key Words Cross Metathesis, Michael Addition, Pyrrolidines, ... Microwave-Assisted Tandem Cross Metathesis Intramolecular Aza-Michael Reaction: An Easy ... inverts the stereoselectivity in the addition process. see article ...
URL: https://www.organic-chemistry.org/abstracts/lit1/712.shtm
... , leading to an intramolecular Michael addition to the enone ... of Costa, TBAF-mediated conjugate addition of 2-nitropropane to 5 ... cyclization, hydrogenation set the additional center with the expected ...
URL: https://www.organic-chemistry.org/Highlights/2013/04March.shtm
... Key Words Active Methylenes, Michael Addition, Organocatalysis, ... highly efficient and general conjugate addition of ?-substituted ?-ketoesters to ... by Efficient and Practical Conjugate Additions to ?,?-Unsaturated ...
URL: https://www.organic-chemistry.org/abstracts/lit1/115.shtm
... ) remarkable enantiomeric excesses with Michael additions to establish quaternary ... 5073.) that in addition, the alkylated amino ... remarkable enantiomeric excesses with Michael additions to establish quaternary centers ...
URL: https://www.organic-chemistry.org/Highlights/2006/20March.shtm
... . No matter- the Michael addition with allyldiazoacetate went ... allylic alcohol to prevent intramolecular cycloaddition. Reoxidation then allowed ... further, doing a conjugate addition to provide the enol ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn03/himgaline-evans.shtm
... based catalyst for an enantioselective Michael addition. Addition of ... give the cyclohexenone in great e.e. and decent yield ... pair of reductions constructed four additional stereocenters. Nice synthesis ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn05/eudesmantetraol-11-epieudesmantetraol-pygmol-baran.shtm
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