Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Björn C.G. Söderberg"'
Publikováno v:
J Org Chem
A flexible route to both symmetrical and unsymmetrical 1H,8H-pyrrolo[3,2-g]indole has been developed. The key and ultimate step is a double palladium-catalyzed, carbon monoxide mediated reductive cyclization of 1,4-dialkenyl-2,3-dinitrobenzenes. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04c0ebc8ae5f960faa908d474aced223
https://doi.org/10.1021/acs.joc.9b03290
https://doi.org/10.1021/acs.joc.9b03290
Publikováno v:
Tetrahedron
A short and flexible synthesis of substituted indoles employing two palladium-catalyzed reactions, a Barluenga cross-coupling of p-tosylhydrazones with 2-nitroarylhalides followed by a palladium-catalyzed, carbon monoxide-mediated reductive cyclizati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d17e5e385368cca4d295bac810c9b2a
https://pubmed.ncbi.nlm.nih.gov/34483377
https://pubmed.ncbi.nlm.nih.gov/34483377
Publikováno v:
Tetrahedron. 74:2547-2560
Kosugi-Migita-Stille cross coupling reactions of (ethenyl)tributyltin with all isomeric permutations of bromophenyl triflate and bromo-nitrophenyl triflate were examined in order to determine the chemoselectivity of carbon-bromine versus carbon-trifl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1eaf69a7dc1af3aff2c50d545ab1f243
https://doi.org/10.1016/j.tet.2018.02.051
https://doi.org/10.1016/j.tet.2018.02.051
Autor:
Nurul H. Ansari, Björn C.G. Söderberg
Publikováno v:
Tetrahedron Letters. 58:4717-4720
Treatment of 2-nitro- N -(2-methyl-1-propen-1-yl)benzenamines with potassium tert -butoxide in tert -butanol followed by the addition of an electrophile affords N -alkoxy-2 H -benzimidazoles. Electrophiles including methyl iodide, allylic bromides, p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d2cfa42d14622c84030e82530dd0419
https://doi.org/10.1016/j.tetlet.2017.11.007
https://doi.org/10.1016/j.tetlet.2017.11.007
Publikováno v:
Tetrahedron. 73:4811-4821
Base mediated cyclization of enamines derived from condensation of 2-nitroanilines with α-branched aldehydes, in the presence of an electrophile, affords N-alkoxy-substituted benzimidazoles with or without an oxygenate side chain in the 2-position.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0970b867a8e5f94f32784b2fc0c9d45a
https://doi.org/10.1016/j.tet.2017.06.063
https://doi.org/10.1016/j.tet.2017.06.063
Publikováno v:
Tetrahedron Letters. 58:1053-1056
The naturally occurring polybrominated indoles 2,2′,5,5′-tetrabromo-3,3′-bi-1H-indole, 2,2′,6,6′-tetrabromo-3,3′-bi-1H-indole, and 2,2′,5,5′,6,6′-hexabromo-3,3′-bi-1H-indole were synthesized using a palladium catalyzed, carbon mon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f43e9a3068b86319d3c8dd9e69b46a96
https://doi.org/10.1016/j.tetlet.2017.01.103
https://doi.org/10.1016/j.tetlet.2017.01.103
Autor:
Novruz G. Akhmedov, Katharine E. Lambson, Christopher A. Dacko, Jeffrey M. McNeill, Björn C.G. Söderberg
Publikováno v:
Tetrahedron
Dilemmaones A-C are naturally occurring tricyclic indole alkaloids possessing a unique hydroxymethylene or methoxymethylene substituent at the C2 position of the indole core and a C6–C7 fused cyclopentanone. Dilemmaone B has been prepared in 5 step
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea5879332a5c501d492addcaaef0a2d3
https://europepmc.org/articles/PMC7450541/
https://europepmc.org/articles/PMC7450541/
Publikováno v:
The Journal of Organic Chemistry. 81:9337-9349
A palladium catalyzed, carbon monoxide mediated, double reductive cyclization of 1,4-, 1,3-, and 2,3-bis(2-nitroaryl)-1,3-butadienes to afford 2,2'-, 2,3'-, and 3,3'-biindoles, respectively, was developed. In contrast, reductive cyclizations of 1,2-b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b02f8b4d11797fb301459e80234107c6
https://doi.org/10.1021/acs.joc.6b01987
https://doi.org/10.1021/acs.joc.6b01987
Autor:
Ganesh Ghimire, Björn C.G. Söderberg
Publikováno v:
Tetrahedron Letters. 57:3873-3876
A short synthetic sequence leading to the tricyclic alkaloids cimitrypazepine and fargesine is reported. An intramolecular Heck reaction and a palladium catalyzed reductive N-heterocyclization are key steps in the synthesis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fcf2b1b018d8ebd574b21546901ffe3
https://doi.org/10.1016/j.tetlet.2016.07.061
https://doi.org/10.1016/j.tetlet.2016.07.061
Autor:
Sriganesh B. Sharma, Rachel A. Byerly, Björn C.G. Söderberg, Matthew M. Cummings, Ronald W. Clawson, Novruz G. Akhmedov
Publikováno v:
Tetrahedron. 67:4753-4757
An expedient synthesis of the alkaloid salviadione, the only to date isolated naturally occurring 1H-benzo[def]carbazole is described. The key step in the synthesis is a palladium-catalyzed, carbon monoxide-mediated reductive N-heterocyclization of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92726fd12298a6bcdf37aa517492a70b
https://doi.org/10.1016/j.tet.2011.04.107
https://doi.org/10.1016/j.tet.2011.04.107