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2009 1
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Page 1
Dinuclear-gold-catalyzed cyclization of 1,7-enynes with alkyl bromides.
Li J, Zhai X, Ji CL, Li W, Xie J. Li J, et al. Chem Commun (Camb). 2023 Jun 22;59(51):7943-7946. doi: 10.1039/d3cc02317f. Chem Commun (Camb). 2023. PMID: 37278096
Dinuclear-gold-catalyzed radical difunctionalization of alkyl bromides with 1,7-enynes has been established via dehalogenation and 1,5-HAT processes. ...
Dinuclear-gold-catalyzed radical difunctionalization of alkyl bromides with 1,7-enynes has been established via dehalogenation and 1, …
Electrochemical selective annulative amino-ketalization and amino-oxygenation of 1,6-enynes.
Ji XS, Zuo HD, Shen YT, Hao WJ, Tu SJ, Jiang B. Ji XS, et al. Chem Commun (Camb). 2022 Sep 15;58(74):10420-10423. doi: 10.1039/d2cc03922b. Chem Commun (Camb). 2022. PMID: 36043317
A new electrochemical selective annulative amino-ketalization and amino-oxygenation of 1,6-enynes with disulfonimides and alcohols is reported, producing a series of functionalized benzofurans under catalyst- and oxidant-free conditions. ...
A new electrochemical selective annulative amino-ketalization and amino-oxygenation of 1,6-enynes with disulfonimides and alcohols is …
Precise Synthesis of Chiral Z-Allylamides by Cobalt-Catalyzed Asymmetric Sequential Hydrogenations.
Hu Y, Zou Y, Yang H, Ji H, Jin Y, Zhang Z, Liu Y, Zhang W. Hu Y, et al. Angew Chem Int Ed Engl. 2023 Apr 3;62(15):e202217871. doi: 10.1002/anie.202217871. Epub 2023 Feb 23. Angew Chem Int Ed Engl. 2023. PMID: 36753391
Asymmetric sequential hydrogenations of conjugated enynes have been developed using a Ph-BPE-Co(I) catalyst for the precise synthesis of chiral Z-allylamides in high activity (up to 1000 substrate/catalyst (S/C)) and with excellent enantioselectivity (up to >99 % enanti …
Asymmetric sequential hydrogenations of conjugated enynes have been developed using a Ph-BPE-Co(I) catalyst for the precise synthesis …
Palladium-catalyzed divergent reactions of 1,6-enyne carbonates: synthesis of vinylidenepyridines and vinylidenepyrrolidines.
Zhao SC, Ji KG, Lu L, He T, Zhou AX, Yan RL, Ali S, Liu XY, Liang YM. Zhao SC, et al. J Org Chem. 2012 Mar 16;77(6):2763-72. doi: 10.1021/jo202590w. Epub 2012 Mar 7. J Org Chem. 2012. PMID: 22364228
A method for preparing five- or six-membered heterocyclic compounds from enyne carbonates via palladium catalysis was developed. Enyne carbonates were transformed into 3-vinylidene-1-tosylpyridines 2 in the presence of PdI(2) as the catalyst. ...
A method for preparing five- or six-membered heterocyclic compounds from enyne carbonates via palladium catalysis was developed. E …
Platinum-catalyzed cycloisomerization reaction of 1,6-enyne coupling with rearrangement of propargylic esters.
Lu L, Liu XY, Shu XZ, Yang K, Ji KG, Liang YM. Lu L, et al. J Org Chem. 2009 Jan 2;74(1):474-7. doi: 10.1021/jo802043z. J Org Chem. 2009. PMID: 19053589
A platinum-catalyzed cycloisomerization of 1,6-enyne coupling with the rearrangement chemistry of propargylic ester has been developed. ...
A platinum-catalyzed cycloisomerization of 1,6-enyne coupling with the rearrangement chemistry of propargylic ester has been develope …
Gold(i)-catalyzed tandem cyclization of cyclopropylidene-tethered propargylic alcohols: an approach to functionalized naphtho[2,3-c]pyrans.
Li J, Yang F, Hu W, Ren B, Chen ZS, Ji K. Li J, et al. Chem Commun (Camb). 2020 Aug 11;56(64):9154-9157. doi: 10.1039/d0cc03285a. Chem Commun (Camb). 2020. PMID: 32657308
An unprecedented gold(i)-catalyzed cyclization of cyclopropylidene-tethered propargylic alcohols via a 6-endo-dig enyne cyclization followed by a ring-opening of cyclopropane and nucleophilic closure reaction to construct naphtho[2,3-c]pyrans was developed. ...
An unprecedented gold(i)-catalyzed cyclization of cyclopropylidene-tethered propargylic alcohols via a 6-endo-dig enyne cyclization f …
Efficient Synthesis of Chiral Trisubstituted 1,2-Allenyl Ketones by Catalytic Asymmetric Conjugate Addition of Malonic Esters to Enynes.
Yao Q, Liao Y, Lin L, Lin X, Ji J, Liu X, Feng X. Yao Q, et al. Angew Chem Int Ed Engl. 2016 Jan 26;55(5):1859-63. doi: 10.1002/anie.201509455. Epub 2015 Dec 22. Angew Chem Int Ed Engl. 2016. PMID: 26694204 Free PMC article.
An N,N'-dioxide/scandium(III) complex catalyzed, highly efficient conjugate addition of malonic esters to enynes is described. A range of trisubstituted 1,2-allenyl ketones were obtained in high yields (up to 99 %) with good d.r. ...
An N,N'-dioxide/scandium(III) complex catalyzed, highly efficient conjugate addition of malonic esters to enynes is described. A rang …
Merging " Anti-Baldwin" 3- Exo-Dig Cyclization with 1,2-Alkynyl Migration for Radical Alkylalkynylation of Unactivated Olefins.
Zhao Q, Ji XS, Gao YY, Hao WJ, Zhang KY, Tu SJ, Jiang B. Zhao Q, et al. Org Lett. 2018 Jun 15;20(12):3596-3600. doi: 10.1021/acs.orglett.8b01382. Epub 2018 Jun 1. Org Lett. 2018. PMID: 29856223
A new combination of " anti-Baldwin" 3- exo-dig cyclization with 1,2-alkynyl migration of 1,4-enynes with simple cycloalkanes was established, enabling C-C breaking and reconstruction to access a wide range of alpha-alkynyl ketones with generally good yields by FeCl(2)/di- …
A new combination of " anti-Baldwin" 3- exo-dig cyclization with 1,2-alkynyl migration of 1,4-enynes with simple cycloalkanes was est …
Secondary phosphine oxides stabilized Au/Pd nanoalloys: metal components-controlled regioselective hydrogenation toward phosphinyl (Z)-[3]dendralenes.
Xia YT, Xie XY, Cui SH, Ji YG, Wu L. Xia YT, et al. Chem Commun (Camb). 2019 Sep 26;55(78):11699-11702. doi: 10.1039/c9cc05928h. Chem Commun (Camb). 2019. PMID: 31508612
The nanocatalysts exhibit excellent regio- and chemo-selectivity in the hydrogenation of conjugated enynes, providing a mild and highly efficient way to access phosphinyl (Z) and (Z,Z)-[3]dendralenes....
The nanocatalysts exhibit excellent regio- and chemo-selectivity in the hydrogenation of conjugated enynes, providing a mild and high …
13 results