中国科学院大连化学物理研究所机构知识库(DICP OpenIR): C-C, C-O and C-N bond formation via rhodium(III)-catalyzed oxidative
INTRAMOLECULAR ALKANE ARYLATION ; INTERNAL ALKYNES ; BENZOIC-ACIDS ; COUPLING REACTIONS ; ROOM-TEMPERATURE ; RHODIUM CATALYSIS ... nitrogen and oxygen directing groups are covered in their coupling with unsaturated partners such as alkenes and alkynes. The ...http://cas-ir.dicp.ac.cn/handle/321008/138081
Alkyne synonyms, alkyne antonyms - FreeThesaurus.com
Antonyms for alkyne. 2 synonyms for alkyne: acetylene, ethyne. What are synonyms for alkyne? ... These copolymers contain azide and alkyne groups as well as the chromophore groups.. Internal crosslinking ... that is highly active and regioselective in the hydroamination of terminal alkynes.. Bringing alkynes and amines together with ... The pendant alkyne can be derivatized with an azide-containing tag, such as a fluorophore or biotin, via a Cu(I) catalyzed " ...https://www.freethesaurus.com/alkyne
Synthesis of Isoquinolines from α-Aryl Vinyl Azides and Internal Alkynes by Rh-Cu Bimetallic Cooperation - Wang - 2011 -...
Synthesis of Isoquinolines from α-Aryl Vinyl Azides and Internal Alkynes by Rh-Cu Bimetallic Cooperation†. ... Synthesis of Isoquinolines from α-Aryl Vinyl Azides and Internal Alkynes by Rh-Cu Bimetallic Cooperation. Angew. Chem., 123: ...http://onlinelibrary.wiley.com/doi/10.1002/ange.201101009/suppinfo
Nickel-catalysed synthesis of tetrasubstituted vinyl sulfides from thiocarbamates and internal alkynes - Chemical...
The thiocarbamoylation of internal alkynes to produce tetrasubstituted β-aminocarbonyl vinyl sulfides was demonstrated using a ... The thiocarbamoylation of internal alkynes to produce tetrasubstituted β-aminocarbonyl vinyl sulfides was demonstrated using a ... Nickel-catalysed synthesis of tetrasubstituted vinyl sulfides from thiocarbamates and internal alkynes T. Inami, T. Kurahashi ... Nickel-catalysed synthesis of tetrasubstituted vinyl sulfides from thiocarbamates and internal alkynes ...http://pubs.rsc.org/en/Content/ArticleLanding/CC/2015/C4CC09123J
Copper-catalyzed oxidative [2 + 2 + 1] cycloaddition: regioselective synthesis of 1,3-oxazoles from internal alkynes and...
Copper-catalyzed oxidative [2 + 2 + 1] cycloaddition: regioselective synthesis of 1,3-oxazoles from internal alkynes and ...https://www.growkudos.com/publications/10.1039%25252Fc2sc21041j/reader
Alkyne - Wikipedia
Terminal and internal alkynes. Internal alkynes feature carbon substituents on each acetylenic carbon. Symmetrical ... Reactions specific for terminal alkynes. In addition to undergoing the reactions characteristic of internal alkynes, ... In the alkyne zipper reaction, alkynes are generated from other alkynes by treatment with a strong base. ... Naming alkynes. In systematic chemical nomenclature, alkynes are named with the Greek prefix system without any ...https://en.wikipedia.org/wiki/Alkyne
Articles from Wiley | Società Chimica Italiana
Two Enabling Strategies for the Stereoselective Conversion of Internal Alkynes into Trisubstituted Alkenes 4 August, 2017 - 00: ... H alkenylation/annulation of benzylamine derivatives with both internal and terminal alkynes, thereby enabling the access to ... Cobalt-Catalyzed ,i,ortho,/i,-C−H Functionalization/Alkyne Annulation of Benzylamine Derivatives: Access to ...http://www.soc.chim.it/en/aggregator/sources/3?page=1
PPT - ALKYnes sem 1: 2011/2012 PowerPoint Presentation - ID:2192169
Structure, nomenclature and naming alkynes DEFINE and ILLUSTRATE the principle in naming alkynes on few examples... ... ALKYnes sem 1: 2011/2012. Khadijah Hanim bt Abdul Rahman School of Bioprocess Engineering, UniMAP Week 5: 13/10/2011 ... Therefore, internal alkynes are more stable than terminal alkynes. *Thus, the alkyl groups stabilize alkenes, alkynes and ... name:. alkynes. alkynes. hydrocarbons that have at least one triple bond. alkynes. all alkynes are unsaturated. unsaturated hc ...https://www.slideserve.com/lucian/alkynes-sem-1-2011-2012
Similar articles for PubMed (Select 23059910) - PubMed - NCBI
... of axially chiral biaryls through rhodium-catalyzed complete intermolecular cross-cyclotrimerization of internal alkynes. ... Dual hard/soft gold catalysis: intermolecular Friedel-Crafts-type α-amidoalkylation/alkyne hydroarylation sequences by N- ... An efficient [2 + 2 + 1] synthesis of 2,5-disubstituted oxazoles via gold-catalyzed intermolecular alkyne oxidation. ... Synthesis of indenyl ethers by gold(I)-catalyzed intramolecular carboalkoxylation of alkynes. ...https://www.ncbi.nlm.nih.gov/pubmed?linkname=pubmed_pubmed&from_uid=23059910
Large-Area Low-Cost Plasmonic Nanostructures in the NIR for Fano Resonant Sensing.
Next Document: Highly Stereo- and Regioselective Hydrostannylation of Internal Alkynes Promoted by Simple Boric Aci.... ...http://www.biomedsearch.com/nih/Large-Area-Low-Cost-Plasmonic/22807217.html
95th Annual Meeting of The Chemical Society of Japan
Magnesium-Catalyzed Isomerization of Terminal Alkynes to Allenes and Internal Alkynes (Grad. Sch. Eng., Osaka Univ.) º ROCHAT, ... Vinydene Rearrangement of Internal Alkyne at a Mo Complex (Fac. Sci. Eng., Chuo Univ.) º OYAMA, Yousuke; IKEDA, Yousuke; KODAMA ... Competition between Vinylidene Rearrangement and [1,2] Insertion of Internal Alkynes at a Cp*Ir(III) Complex (Grad. Sch. Sci. ... Synthesis of P-Chiral Bisphosphine Ligands Bearing Alkyne Moieties in Their Backbones and Their Complexation with Iridium (Grad ...http://www.csj.jp/nenkai/95haru/program/program_en_F3.html
Hydrohydrazination and Iminohydrazination - Aaron Odom
Below is one example using a simple terminal chlorinated alkyne that was explored. Internal alkynes can also be used with this ... The reaction is applicable to internal and terminal alkynes and can be stopped at the hydrazone if desired for modification. ... "Titanium Catalyzed Intermolecular Alkyne Hydroamination by 1,1-Disubstituted Hydrazines", Cao, C.; Shi, Y.; Odom, A. L. Org. ... "Titanium-Catalyzed Iminohydrazination of Alkynes", Banerjee, S.; Cao, C.; Shi, Y.; Odom, A. L. J. Organometallic Chem. 2005, ...https://www2.chemistry.msu.edu/web/odom/hydrohydrazination-and-iminohydrazination/
Metal carbon dioxide complex - Wikipedia
Trimethylaluminum is able to insert into unbiased aliphatic internal alkynes with syn fashion directed by ether directing group ... Phenanthroline)Cu(PR3)] catalyst effect C-H carboxylation on terminal alkynes together with Cs2CO3 NHC-Cu-H species to ... Cabometallation to alkynes and allenes using organozinc and organoaluminum reagents followed by transmetallation to copper is ... Apart from terminal allenes, some of internal allenes are also tolerated in this reaction, generating allyl carboxylic acid ...https://en.wikipedia.org/wiki/Metal_carbon_dioxide_complex
Gold(I)-Catalyzed Asymmetric Cyclopropenation of Internal Alkynes. John F. Briones and Huw M. L. Davies ... Gold-Gold Cooperation in the Addition of Methanol to Alkynes Prof. Jana Roithová, Dr. Štěpánka Janková, Lucie Jašíková, Dr. ...http://goldcatalysis.blogspot.com
Borylcyanocuprate in a One-Pot Carboboration by a Sequential Reaction with an Electron-Deficient Alkyne and an Organic...
reported the borylcupration of alkoxycarbonyl alkynes and internal alkynes and subsequent protonation with MeOH. ... Additions of borylcopper to alkynes were also reported. A simple borylcupration of terminal alkynes took place with in situ ... one, reaction, electrophile, borylcyanocuprate, organiz, deficiency, carboboration, alkyne, electro, pot, sequential, carbon. ... In conclusion, we achieved a one-pot carboboration of alkynes by a sequential reaction of a boryllithium compound with CuCN� ...https://www.docme.ru/doc/1911247/borylcyanocuprate-in-a-one-pot-carboboration-by-a-sequent..
Schwartz's reagent - Wikipedia
The rate of addition to unsaturated carbon-carbon bonds is terminal alkyne > terminal alkene ≈ internal alkyne > disubstituted ... The selectivity of the hydrozirconation of alkynes has been studied in detail. Generally, the addition of the Zr-H proceeds via ... This metallocene is used in organic synthesis for various transformations of alkenes and alkynes. The complex was first ... Schwartz's reagent reacts with alkenes and alkynes via the process called hydrozirconation, which results in the addition of ...https://en.wikipedia.org/wiki/Schwartz's_reagent
Catalysts | Free Full-Text | Ene-yne Cross-Metathesis for the Preparation of 2,3-Diaryl-1,3-dienes
If this method has been used with aliphatic alkynes, it has however never been used starting from diarylacetylenes as internal ... alkynes. We show that the ene-yne cross-metathesis catalyzed by the second generation Hoveyda ruthenium catalyst provides the 2 ... Ene-yne cross-metathesis from alkynes and ethylene is a useful method to produce substituted conjugated butadiene derivatives. ... If this method has been used with aliphatic alkynes, it has however never been used starting from diarylacetylenes as internal ...http://www.mdpi.com/2073-4344/7/12/365
DiVA - Search result
... internal alkynes were cyclized in high to excellent yields within 3 hours using 0.3 mol% of catalyst loading. For internal ... Metal-catalyzed oxidative formation of C-CF3 and C-O bonds in alkenes and alkynes2012Licentiate thesis, comprehensive summary ( ... The first project involved copper catalyzed oxytrifluoromethylation of terminal alkenes and alkynes. In this reaction the ... alkynes, the catalyst loading had to be increased to 0.5 mol% along with prolonged reaction times and elevated temperatures in ...http://www.diva-portal.org/smash/resultList.jsf?dswid=-6003&af=%5B%22publicationTypeCode%3AcomprehensiveLicentiateThesis%22%5D&p=1&fs=true&language=en&searchType=SIMPLE&query=&aq=%5B%5B%7B%22categoryId%22%3A%2211533%22%7D%5D%5D&aq2=%5B%5B%5D%5D&aqe=%5B%5D&noOfRows=50&sortOrder=author_sort_asc&sortOrder2=title_sort_asc&onlyFullText=false&sf=all
Oxygen - e-EROS Encyclopedia of Reagents for Organic Synthesis - Jones - Wiley Online Library
91 With the exception of aliphatic internal alkynes, symmetrical and unsymmetrical alkynes with aryl or aliphatic groups ... Alkyne Oxidation A direct transformation of alkynes to amides has been achieved with CuBr2/DBU under O2 atmosphere. Various ... Oxidative cleavage of alkynes was achieved in the presence of a Lewis acid additive ZnCl2·2H2O (eq 32). ... The perfluoroarenes102 (eq 42) and azoles (eq 43) reacted with various alkynes under mild conditions by employing nickel and/or ...http://onlinelibrary.wiley.com/doi/10.1002/047084289X.ro028.pub3/full?xmlid=ro028-eo-c00081
Recent Progress in the Chemistry of Tri-substituted Triazole via [3 + 2] Cycloaddition of Azide and Double Bond: An Overview |...
... cycloaddition of azides with internal alkynes. J Org Chem 71:8680-8683CrossRefGoogle Scholar ... Cascade intermolecular Michael addition-intramolecular azide/internal alkyne 1,3-dipolar cycloaddition reaction in one pot. Org ... a) Lutz J.-F (2007) 1,3-dipolar cycloadditions of azides and alkynes: a universal ligation tool in polymer and materials ... More than 50 years ago, the first synthesis of tri-substituted triazoles was achieved by Huisgen via azide-alkyne cycloaddition ...https://link.springer.com/chapter/10.1007%2F978-981-10-8390-7_12
Indenone - Wikipedia
"Synthesis of indenones via palladium-catalyzed annulation of internal alkynes". J. Am. Chem. Soc. 58 (17): 4579-4583. doi: ...https://en.wikipedia.org/wiki/Indenone
中国科学院大连化学物理研究所机构知识库(DICP OpenIR): Iridium- and Rhodium-Catalyzed C-H Activation and Formyl Alkynylation of
INTERNAL ALKYNES ; ROOM-TEMPERATURE ; ACYL CHLORIDES ... benzaldehydes has been achieved using hypervalent iodine-alkyne ... 3-COMPONENT PYRIMIDINE SYNTHESIS ; BOND ACTIVATION ; INTERMOLECULAR HYDROACYLATION ; SONOGASHIRA REACTION ; TERMINAL ALKYNES ; ...http://cas-ir.dicp.ac.cn/handle/321008/146044
96th Annual Meeting of The Chemical Society of Japan
Control of vinylidene rearrangement of internal alkynes at an Ir(III) complex having a fluorine-substituted 2-pyridylphenyl ... Formation of a Ru(0) Complex Bearing an η4-Phosphonium Ligand from the Reaction of a Ru(II)-PPh3 Complex with Alkynes (Grad. ... Metathesis reaction between alkyne and acetonitrile across the triruthenium plane (Grad. Sch. Sci., Eng., Tokyo Tech) º ... Oxidation of triruthenium complexes having µ3-cyclo alkyne ligand (Grad. Sch. Sci., Eng., Tokyo Tech) º SAITO, Moeko; TAKAO, ...http://www.csj.jp/nenkai/96haru/data/program/program_en_E5.html
Synchrotron and Free electron laser Radiation: generation and application (SFR-2016) (04-7 July 2016)
Hydrogenation of alkynes and alkenes over palladium catalyst is associated with formation of palladium hydrides and carbides ... The silk gland is a unique pair organ of internal secretion in diameter 2 mm and length about 1 metre, that ten times surpasses ... index of various liquids has been measured in the THz range using the ellipsometric measurement system with an internal ...http://indico.inp.nsk.su/event/3/session/5/?contribId=82
Great Business (greatbusiness3) | Pearltrees
Discovery of azides with an internal Cu(I)-chelating motif greatly enhances the utility of CuAAC reaction for monitoring the ... Cy5 Picolyl Azide incorporates a copper-chelating motif that dramatically accelerates the Cu(I)-catalyzed azide−alkyne ...http://www.pearltrees.com/greatbusiness3