Results 11 to 20 of about 9,389 (255)
Halide exchanged Hoveyda-type complexes in olefin metathesis
Beilstein Journal of Organic Chemistry, 2010 The aims of this contribution are to present a straightforward synthesis of 2nd generation Hoveyda-type olefin metathesis catalysts bearing bromo and iodo ligands, and to disclose the subtle influence of the different anionic co-ligands on the catalytic ...
Julia Wappel +6 more
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Regioselective Synthesis of Spiro-Oxindoles via a Ruthenium-Catalyzed Metathesis Reaction
Chemistry Proceedings, 2023 Spiro-oxindoles are important heterocyclic motifs found in various alkaloids, many of which exhibit pharmacological properties. Due to the remarkable biological activity of spiro-oxindoles, significant effort has been made towards the synthesis of ...
Pradip Debnath
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Functionalisable cyclopolymers by ring-closing metathesis [PDF]
, 2020 Post‐polymerisation modification of polymers is extremely beneficial in terms of designing brand new synthetic pathways toward functional complex polymers.
Alkattan, Mohammed
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Selective Enyne Ring-Closing Metathesis with Main Group Metal Catalysts
, 2022 Ring-closing metathesis (RCM) represents an ideal and atom-economical way to construct cyclic compounds. The precedented reaction systems for endo-selective enyne RCM mainly rely on precious transition metal carbene complexes or activated substrates ...
Zhi-Xiang, Yu +3 more
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Molecules, 2005 Sesqui- and sesterterpenes of ophiobolin and fusicoccin families are important synthetic targets because of complexity of structure and potentially useful physiological activities, including anti-tumor activity.
J. Wicha, M. Michalak, K. Michalak
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Beilstein Journal of Organic Chemistry, 2010 The catalytic performance of NHC-ligated Ru-indenylidene or benzylidene complexes bearing a tricyclohexylphosphine or a pyridine ligand in ring closing metathesis (RCM), cross metathesis, and ring closing enyne metathesis (RCEYM) reactions is compared ...
Stefan Krehl +5 more
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Synthesis of fluorinated δ-lactams via cycloisomerization of gem-difluoropropargyl amides
Beilstein Journal of Organic Chemistry, 2010 gem-Difluoro-1,7-enyne amides are suitable building blocks for the synthesis of difluorodihydropyridinones via a ring-closing metathesis reaction, and of 4,4-difluoro-3-oxoisoquinolines through a ring-closing metathesis–enyne metathesis tandem reaction ...
Satoru Arimitsu, Gerald B. Hammond
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Química Nova, 2005 The olefin metathesis reaction allows the exchange of complex alkyl units between two olefins, with the formation of a new olefinic link and a sub-product olefin usually ethylene.
Daniel Frederico +2 more
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Recent applications of ring-rearrangement metathesis in organic synthesis
Beilstein Journal of Organic Chemistry, 2015 Ring-rearrangement metathesis (RRM) involves multiple metathesis processes such as ring-opening metathesis (ROM)/ring-closing metathesis (RCM) in a one-pot operation to generate complex targets.
Sambasivarao Kotha +4 more
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Synthesis of Cyclic Peptidosulfonamides by Ring-Closing Metathesis [PDF]
The Journal of Organic Chemistry, 2004 AbstractFor Abstract see ChemInform Abstract in Full Text.
Brouwer, A.J., Liskamp, R.M.J.
openaire +3 more sources