Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Guangfen, Du"'
Publikováno v:
Organic Chemistry Frontiers. 10:1224-1229
Brønsted base catalyzed thiosulfonylation and trifluoromethylthiosulfonylation of ynones produced thio-functionalized vinyl sulfones in high yields with excellent E-selectivity.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0dff145fac415a21b5c1b428c5a545c
https://doi.org/10.1039/d2qo01855a
https://doi.org/10.1039/d2qo01855a
Publikováno v:
The Journal of Organic Chemistry. 87:5497-5509
Asymmetric catalytic vinylogous Michael addition of 2-methyl-3,5-dinitrobenzoates to unsaturated ketones catalyzed by chiral rhodium catalysts has been established. This strategy allowed the synthesis of a variety of optically pure compounds containi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6466bf4ff93a9847849c3a50abfa1dd
https://doi.org/10.1021/acs.joc.1c02757
https://doi.org/10.1021/acs.joc.1c02757
Publikováno v:
New Journal of Chemistry. 46:12367-12371
A transition-metal-free method has been proposed for the synthesis of unsymmetrical 1,3,5-triarylbenzenes via a tandem Diels–Alder cycloaddition/SuFEx/elimination process.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e7c14d80e496da1da147f20a78f4b4e
https://doi.org/10.1039/d2nj01549h
https://doi.org/10.1039/d2nj01549h
Publikováno v:
Organic Chemistry Frontiers. 9:3446-3451
Direct catalytic asymmetric vinylogous Michael addition to construct an acyclic all-carbon quaternary center with novel 3-alkenyl-oxindoles.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74e98f8a5eae207959430545bfdc0f64
https://doi.org/10.1039/d2qo00223j
https://doi.org/10.1039/d2qo00223j
An efficient and atom-economical Brϕnsted base-catalyzed domino reaction of α-oxo-β, γ-unsaturated ketone is described. Under the catalysis of 20 mol% K2CO3, both symmetrical cinnamils and unsymmetrical β, γ-unsaturated diketones can react with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fefd671f4815de42f8bf7b9c433a50dd
https://doi.org/10.26434/chemrxiv-2022-rvbk0
https://doi.org/10.26434/chemrxiv-2022-rvbk0
The first catalytic vicinal thiosulfonylation of ynones has been developed. Under the catalysis of 1-10 mol% Cs2CO3, various thiosulfonates underwent Michael addition/nucleophilic substitution tandem reaction with different ynones to form C-SO2 and C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf2e3a6a5c321995ada42f69cbb0bb28
https://doi.org/10.26434/chemrxiv-2022-qsjzm
https://doi.org/10.26434/chemrxiv-2022-qsjzm
A transition-metal-free tandem reaction of β-arylethenesulfonyl fluorides and α-cyano-β-methylenones has been revealed. In the presence of cesium carbonate, 2-arylethenesulfonyl fluorides react with α-cyano-β-methylenones through a tandem Diels-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fef308a1967752bfb5dac9b859a98a20
https://doi.org/10.26434/chemrxiv-2022-vxfzh
https://doi.org/10.26434/chemrxiv-2022-vxfzh
Sulfur(VI) fluoride exchange (SuFEx) click chemistry provides a powerful tool for rapid construction of modular connections. Here, we report a novel catalytic silicon-free SuFEx reaction with sulfonyl fluorides. Under the catalysis of 10 mol% N-heter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1b9c52ed4f74a8631bb98c1b9ec1ff8
https://doi.org/10.26434/chemrxiv-2021-kw8xx
https://doi.org/10.26434/chemrxiv-2021-kw8xx
Publikováno v:
Organicbiomolecular chemistry. 19(42)
The organic superbase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::3ebeb53d2abd3f94cb6714336179484d
https://pubmed.ncbi.nlm.nih.gov/34647948
https://pubmed.ncbi.nlm.nih.gov/34647948
Publikováno v:
Chinese Journal of Organic Chemistry. 41:3625
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c50c7f3f1a32524272354d34aca3280
https://doi.org/10.6023/cjoc202104056
https://doi.org/10.6023/cjoc202104056