*  Harnessing non-covalent interactions to exert control over regioselectivity and site-selectivity in catalytic reactions -...
2.3 Regioselective functionalisation of alkenes. Alkenes are versatile functional groups in which there can often be a ... 8 (a) Highly regioselective hydroformylation of a range of unsaturated alkene chain lengths, except for n = 1, using ligand A ... 3.2 Site-selective alkene functionalisation. As discussed in the previous section, mimicking the selective oxidising ability of ... 12a) that were able to distinguish between the 2,3 and 6,7 alkenes in the epoxidation of geranylgeraniol and farnesol (Fig. 12b ...
http://pubs.rsc.org/en/content/articlehtml/2016/sc/c6sc04157d
*  Solid acids: potential catalysts for alkene-isoalkane alkylation - Catalysis Science & Technology (RSC Publishing)
Solid acids: potential catalysts for alkene-isoalkane alkylation S. Singhal, S. Agarwal, S. Arora, N. Singhal and A. Kumar, ...
http://pubs.rsc.org/en/content/articlelanding/2017/cy/c7cy01554b/unauth
*  Celebrating the 2016 RSC Prize and Award Winners Home
The [Rh(xantphos)]+ fragment acts as an effective catalyst for the hydroboration of the alkene TBE (tert-butyl ethene) using ... Exploring the mechanism of the hydroboration of alkenes by amine-boranes catalysed by [Rh(xantphos)]+ Heather C. Johnson, ...
http://pubs.rsc.org/en/journals/articlecollectionlanding?sercode=dt&themeid=4c5260b4-9817-4640-aabb-ae314ac8acc9
*  Metal-free aerobic oxidative direct C-H amination of electron-deficient alkenes via photoredox catalysis - Organic Chemistry...
... which enables coupling of a broad scope of azoles and electron-deficient alkenes in an atom- and redox-economical manner. The p ... The first example of photocatalytic dehydrogenative cross-coupling of electron-poor alkenes with azoles has been reported. This ... Metal-free aerobic oxidative direct C-H amination of electron-deficient alkenes via photoredox catalysis J. Xin, Y. He and Z. ... Metal-free aerobic oxidative direct C-H amination of electron-deficient alkenes via photoredox catalysis ...
http://pubs.rsc.org/en/content/articlelanding/2018/qo/c8qo00161h
*  Scandium-catalyzed C(sp3)-H alkylation of N,N-dimethyl anilines with alkenes - Organic Chemistry Frontiers (RSC Publishing)
N-dimethyl anilines to a variety of unactivated alkenes affording branched products for the first time. A cationic o- ... Scandium-catalyzed C(sp3)-H alkylation of N,N-dimethyl anilines with alkenes H. Gao, J. Su, P. Xu and X. Xu, Org. Chem. Front. ... Scandium-catalyzed C(sp3)-H alkylation of N,N-dimethyl anilines with alkenes ... N-dimethyl anilines to a variety of unactivated alkenes affording branched products for the first time. A cationic o- ...
http://pubs.rsc.org/en/content/articlelanding/2018/qo/c7qo00718c
*  Nitrogen-enriched porous carbon supported Pd-nanoparticles as an efficient catalyst for the transfer hydrogenation of alkenes -...
Nitrogen-enriched porous carbon supported Pd-nanoparticles as an efficient catalyst for the transfer hydrogenation of alkenes ... Nitrogen-enriched porous carbon supported Pd-nanoparticles as an efficient catalyst for the transfer hydrogenation of alkenes J ... NPC exhibited superior catalytic activity and chemoselectivity for the catalytic transfer hydrogenation of alkenes under mild ...
https://pubs.rsc.org/en/content/articlelanding/2018/nj/c8nj03656j/unauth
*  Highly efficient and versatile synthesis of α,α-difluoro-γ-lactams via aminodifluoroalkylation of alkenes - Organic Chemistry...
Highly efficient and versatile synthesis of α,α-difluoro-γ-lactams via aminodifluoroalkylation of alkenes H. Chen, X. Wang, M. ... Highly efficient and versatile synthesis of α,α-difluoro-γ-lactams via aminodifluoroalkylation of alkenes ... 3-difluoro-γ-lactam moieties from easily available alkenes and N-aryl bromodifluoroacetamide as starting materials under mild ...
http://pubs.rsc.org/en/content/articlelanding/2017/qo/c7qo00611j/unauth
*  Synthesis of internal fluorinated alkenesvia facile aryloxylation of substituted phenols with aryl trifluorovinyl ethers -...
Synthesis of internal fluorinated alkenesvia facile aryloxylation of substituted phenols. with aryl trifluorovinyl ethers J. D ... Synthesis of internal fluorinated alkenesvia facile aryloxylation of substituted phenols. with aryl trifluorovinyl ethers ...
http://pubs.rsc.org/en/Content/ArticleLanding/2011/OB/C1OB05041A/OB%20
*  Exploring the mechanism of the hydroboration of alkenes by amine-boranes catalysed by [Rh(xantphos)] + - Catalysis Science &...
Hydroboration of alkenes other than TBE. Under stoichiometric conditions the hydroboration of alkenes other than TBE was ... Complex 3 (and 2) are initially produced under conditions of excess alkene (Scheme 2), suggesting that the alkene does not bind ... Thus, the hydroboration of alkenes with 3 appears to work best with TBE, with other alkenes only of limited utility. ... alkene (δ 5.89), while the corresponding signal in the 1H NMR spectrum decreased by ca. 25% relative to the other alkene ...
http://pubs.rsc.org/en/content/articlehtml/2014/cy/c4cy00597j?page=search
*  Facile synthesis of carbo- and heterocycles via Fe(iii)-catalyzed alkene hydrofunctionalization - Organic Chemistry Frontiers ...
Various alkenes bearing a leaving group could convert to alkyl radicals through hydrogen atom transfer (HAT), and then serve as ... Facile synthesis of carbo- and heterocycles via Fe(III)-catalyzed alkene hydrofunctionalization J. Qi, J. Zheng and S. Cui, Org ... Various alkenes bearing a leaving group could convert to alkyl radicals through hydrogen atom transfer (HAT), and then serve as ... Facile synthesis of carbo- and heterocycles via Fe(III)-catalyzed alkene hydrofunctionalization ...
http://pubs.rsc.org/en/content/articlelanding/2018/qo/c7qo00817a/unauth
*  2017 Emerging Investigators Home
Isolated, well-defined organovanadium(III) on silica: single-site catalyst for hydrogenation of alkenes and alkynes H. Sohn, J ... and gas-phase hydrogenation of alkenes and alkynes under mild conditions. ...
http://pubs.rsc.org/en/journals/articlecollectionlanding?sercode=cc&themeid=5ec39980-7fba-4e81-8364-3493e4008647
*  The pivotal role of electronics in preferred alkene over alkyne Ni-carboryne insertions and absolute regioselectivities -...
... and subsequent alkene/alkyne Ni-C bond insertion priorities, as well as relevant cycloaddition regioselectivities and kinetics ... Subsequent alkyne additions (i.e. post alkene insertion) arise as the rate-determining step (RDS) for each of the five ... The in situ formation mechanisms of active Ni-carboryne species (COM1) and subsequent alkene/alkyne Ni-C bond insertion ... In direct agreement with empirical trends, alkene insertion into Ni-C bonds on COM1 is exclusively favoured over the competing ...
http://pubs.rsc.org/en/content/articlelanding/2018/dt/c8dt01154k
*  Nickel-catalyzed C-H/N-H annulation of aromatic amides with alkynes in the absence of a specific chelation system - Chemical...
... with the concomitant formation of an alkene. Based on the above findings, this alternative mechanism cannot be excluded. ... with the concomitant formation of an alkene. ...
http://pubs.rsc.org/en/content/articlehtml/2017/sc/c7sc01750b
*  A thiocyanopalladation/carbocyclization transformation identified through enzymatic screening: stereocontrolled tandem C-SCN...
... spectator alkene' into the new cyclization reaction, thereby positioning this alkene for a post-cyclization ring closing ... 2 Assignment of alkene geometry using a combination of X-ray crystallography and correlated 1H and 13C chemical shift patterns ... 1 assume an NMR detection limit of approximately 3%; anti:syn ratios were determined by crude NMR for the major alkene formed. ... 1 assume an NMR detection limit of approximately 3%; anti:syn ratios were determined by crude NMR for the major alkene formed. ...
http://pubs.rsc.org/en/content/articlehtml/2017/sc/c7sc04083k
*  Unusual aggregates from the oxidation of alkene self-assembled monolayers: a previously unrecognized mechanism for SAM...
alkene. self-assembled monolayers: a previously unrecognized mechanism for SAM ozonolysis? Theresa M. McIntire,a A. Scott Lea,b ... ozonolysis of alkene. SAMs must have a channel that is unique compared to that in the gas phase or in solution, and may involve ... alkene. self-assembled monolayers: a previously unrecognized mechanism for SAM ozonolysis? T. M. McIntire, A. Scott Lea, D. J. ... The implications for the ozonolysis of alkenes on surfaces, for the transformation of organics in the atmosphere, and for the ...
http://pubs.rsc.org/en/Content/ArticleLanding/2005/CP/b508147e
*  Catalysis & biocatalysis in OBC Home
This review focuses on indium(III) as a π-acid for the activation of C-C unsaturated systems (alkynes, alkenes, and allenes) in ... spirobiindane backbone in asymmetric hydroamination/arylation of alkenes Huanyu Shan, Rihuang Pan and Xufeng Lin ... spirobiindane scaffold has been developed and applied in Pd-catalyzed asymmetric hydroamination/arylation of alkenes. ...
http://pubs.rsc.org/en/journals/articlecollectionlanding?sercode=ob&themeid=0b041f09-607b-4b5e-b7be-626c22dcdb60
*  The chemistry of graphene oxide - Chemical Society Reviews (RSC Publishing) DOI:10.1039/B917103G
Conjugated, non-aromatic alkenes should readily react with this substrate. Both the 1H and 13C spectra were virtually identical ... Further oxidation destroys the alkenes of the quinones through formation of 1,2-ethers, as well as any pockets of aromaticity ... In particular, were the alkenes isolated from one another, or were they clustered in either aromatic or conjugated clusters? ... 50 This process typically occurs through syn addition of H2 across the alkene, coupled with the extrusion of nitrogen gas. Such ...
http://pubs.rsc.org/en/content/articlehtml/2010/cs/b917103g
*  Chromium photocatalysis: accessing structural complements to Diels-Alder adducts with electron-deficient dienophiles -...
In our earlier study, we had discussed the roles of O2 in the cycloaddition using electron-rich alkenes. O2 was essential, and ... We have shown that that the Cr-catalyzed [4 + 2] cycloaddition of dienes with electron-poor alkenes (i.e., outside of the ... In this specific reaction with electron-deficient alkenes, the effect of O2 is still beneficial to the overall reaction ... Scheme 2 The Cr-photocatalyzed [4 + 2] cycloaddition between dienes and electron-deficient alkenes-scope.. ...
http://pubs.rsc.org/en/content/articlehtml/2016/sc/c6sc03303b
*  Two-coordinate group 14 element(ii) hydrides as reagents for the facile, and sometimes reversible, hydrogermylation...
... with a variety of unactivated cyclic and acyclic alkenes, and one internal alkyne, lead to the rapid and regiospecific ... leading to the clean isomerisation of the alkene involved, and its subsequent hydrogermylation, to give [L†Ge(2-cyclooctenyl)] ... hydrogermylation/hydrostannylation of unactivated alkenes and alkynes T. J. Hadlington, M. Hermann, G. Frenking and C. Jones, ... with a variety of unactivated cyclic and acyclic alkenes, and one internal alkyne, lead to the rapid and regiospecific ...
http://pubs.rsc.org/en/Content/ArticleLanding/2015/SC/C5SC03376D
*  Study on the coupling of acyclic esters with alkenes - the synthesis of 2-(2-hydroxyalkyl)cyclopropanols via cascade...
The radical cyclization between aliphatic acyclic esters and alkenes was achieved unprecedentedly in the presence of ... alkenes. was achieved unprecedentedly in the presence of allylsamarium bromide. with HMPA and H2O. as additives. The cascade ... alkenes. - the synthesis of 2-(2-hydroxyalkyl)cyclopropanols via cascade cyclization. using allylsamarium bromide Y. Tu, L. ... alkenes. - the synthesis of 2-(2-hydroxyalkyl)cyclopropanols via cascade cyclization. using allylsamarium bromide ...
http://pubs.rsc.org/en/Content/ArticleLanding/2012/CC/C2CC34630C?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+rss%2FCC+%28RSC+-+Chem.+Commun.+latest+articles%29
*  Molecular engineering of organic electroactive materials for redox flow batteries - Chemical Society Reviews (RSC Publishing)...
Distinguished from the non-polar double bonds in alkenes, the difference between the electronegativity of carbon and oxygen ... 68 Compared with alkenes, the double bond in carbonyls is shorter and the bond energy is higher.69 Therefore, the reactivity of ... the carbonyl compounds are much more reactive than alkenes. The partially negative oxygen can react with electrophiles, ...
http://pubs.rsc.org/en/content/articlehtml/2017/cs/c7cs00569e
*  Catalytic [2 + 2 + 2] cycloaddition with indium( iii )-activated formaldimines: a practical and selective access to...
... which was attacked by the alkene and then another imine. The proposed "iminium-alkene-imine" sequence is supported by the ... 3-diamines from alkenes†. Hui Zhou , Hetti Handi Chaminda Lakmal , Jonathan M. Baine , Henry U. Valle , Xue Xu and Xin Cui * ... Other internal alkenes with both cis- and trans-configurations are also suitable substrates for synthesizing 2,3-disubstituted ... The simple removal of the aminal units in HHPs offers a practical strategy for the aminomethylamination of both alkenes and ...
http://pubs.rsc.org/en/content/articlehtml/2017/sc/c7sc02576a
*  Cyclometalated gold( iii ) complexes: noticeable differences between (N,C) and (P,C) ligands in migratory insertion -...
1). The alkene is coordinated in a symmetric fashion (two short Au⋯C contacts at 2.40 Å). It is oriented perpendicular to the ... ii) What is the precise influence of the ancillary ligand on reactions with alkenes? Does it affect the kinetics and ... It generalizes migratory insertion of alkenes at gold, an elementary process unknown with gold until very recently, but ... 16b-f Unprecedented elementary organometallic reactions such as migratory insertion of alkenes16b,c,e and β-hydride elimination ...
http://pubs.rsc.org/en/content/articlehtml/2018/sc/c7sc04899h
*  Cobalt-catalysed reductive C-H alkylation of indoles using carboxylic acids and molecular hydrogen - Chemical Science (RSC...
... selectivity alkene vs. alkane ,85%) affording the desired tri-substituted alkenes 4a and 4b in very good isolated yields (70 ... Between parentheses is shown the selectivity to the desired alkene vs. alkane by-product, calculated by GC-MS. In some examples ... 4). This observation indicates that the hydrogenation of the alkene 3p′ is not the rate determining step of the process. ... In addition, different C2-phenyl and/or nitrogen-alkyl substituted indole derivatives gave the corresponding alkene products 4c ...
http://pubs.rsc.org/en/content/articlehtml/2017/sc/c7sc02117h