Výsledky vyhledávání - "Alkene formation"

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Intermetallic Pd1–Zn1 nanoparticles in the selective liquid-phase hydrogenation of substituted alkynes

Autor: A. Yu. Stakheev, A. V. Rassolov, Galina N. Baeva, Igor S. Mashkovsky, G. O. Bragina, P. V. Markov

Publikováno v: Kinetics and Catalysis. 58:480-491

A comparative study of the catalytic characteristics of monometallic Pd/α-Al2O3 and bimetallic Pd–Zn/α-Al2O3catalysts in the liquid-phase hydrogenation of structurally different substituted alkynes (terminal and internal, symmetrical and asymmetr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e6c7371c3026ac8bdb1e9020ff89f7f2
https://doi.org/10.1134/s0023158417040139

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Water Mediated Wittig Reactions of Aldehydes in the Teaching Laboratory: Using Sodium Bicarbonate for the in Situ Formation of Stabilized Ylides

Autor: B. Mikael Bergdahl, Jeffrey L. Gustafson, Lucas B. Fallot, Michael J. B. Kelly

Publikováno v: Journal of Chemical Education. 93:1631-1636

The synthesis of alkenes using the Wittig reaction is a traditional part of many undergraduate organic chemistry teaching laboratory curricula. The aqueous medium version of the Wittig reaction presented is a reliable adaptation of this alkene format

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2725ea95e43cb52b2f29dfcb8375c505
https://doi.org/10.1021/acs.jchemed.6b00206

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α-Diazo Ketones in On-Surface Chemistry

Autor: Hong-Ying Gao, Henning Klaasen, Harry Mönig, Johannes Neugebauer, Harald Fuchs, Dennis Barton, Armido Studer, Lacheng Liu, Alexander Timmer

Publikováno v: Journal of the American Chemical Society. 140(18)

Polymerization of a biphenyl bis α-diazo ketone on Cu(111) and Au(111) surfaces to provide furandiyl bridged poly-para-phenylenes is reported. Polymerization on Cu(111) occurs via initial N2 fragmentation leading to Cu-biscarbene complexes at room t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f19b88f31f586005817055e6467c804c
https://pubmed.ncbi.nlm.nih.gov/29627973

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Gold(I)-Catalyzed Diazo Coupling: Strategy towards Alkene Formation and Tandem Benzannulation

Autor: Daming Zhang, Chenghao Zhu, Dong Ding, Jiangtao Sun, Jian Li, Guangyang Xu

Publikováno v: Angewandte Chemie International Edition. 53:11070-11074

A gold(I)-catalyzed cross-coupling of diazo compounds to afford tetrasubstituted alkenes has been developed by taking advantage of a trivial electronic difference between two diazo substrates. A N-heterocyclic-carbene-derived gold complex is the most

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f8f59e3341ee7f8d84ee23a1b9a42c1
https://doi.org/10.1002/anie.201406712

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A New Entry to Sonochemical/Efficient Agitation Switching: Alkene Formation through Epoxide Deoxygenation

Autor: Benjamin R. Buckley, K. G. Upul Wijayantha, Anish P. Patel

Publikováno v: Synlett. 25:197-200

‘Sonochemical switching’ whereby the pathway of a reaction is changed under sonication conditions was first reported by Ando, and in fact could just be the consequence of efficient agitation. We herein report a new addition to this switching phen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::047ddd9861a4322784435a58d65d239c
https://doi.org/10.1055/s-0033-1340109

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ChemInform Abstract: Recent Applications in Natural Product Synthesis of Dihydrofuran and -pyran Formation by Ring-Closing Alkene Metathesis

Autor: Aubert Ribaucourt, Peter W. Smith, David M. Hodgson, Reece Jacques, Ritashree Pal, Nicholas A. Parker, Claire E. Sear

Publikováno v: ChemInform. 47

In the past two decades, alkene metathesis has risen in prominence to become a significant synthetic strategy for alkene formation. Many total syntheses of natural products have used this transformation. We review the use, from 2003 to 2015, of ring-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8d9b05891e80efbb2147cc524f5fc12e
https://doi.org/10.1002/chin.201634225

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Recent applications in natural product synthesis of dihydro-furan and -pyran formation by ring-closing alkene metathesis

Autor: Peter W. Smith, David M. Hodgson, Reece Jacques, Claire E. Sear, Aubert Ribaucourt, Nicholas A. Parker, Ritashree Pal

Publikováno v: Organic and Biomolecular Chemistry. 14(25)

In the last two decades, alkene metathesis has risen in prominence to become a significant synthetic strategy for alkene formation. Many total syntheses of natural products have used this transformation. We review the use, from 2003 to 2015, of ring-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::856422d9b71ff3364f20dbc2e02215e7
http://ora.ox.ac.uk/objects/uuid:c9ba6bd1-2be1-4ff0-8b8a-800d8e8b640d

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