Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Hyellazole"'
Akademický článek
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Autor:
Suchandra Chakraborty, Chandan Saha
Publikováno v:
European Journal of Organic Chemistry. 2018:2013-2021
Publikováno v:
Advanced Synthesis & Catalysis. 359:1860-1866
Benzannulation of 2-alkenylindoles with readily available aldehydes, under one-pot sequential triple-relay-catalysis, provides an easy access to several structurally unique carbazoles including 2- and 3-alkenylcarbazoles. This protecting group-free m
Akademický článek
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Publikováno v:
Tetrahedron. 55:10391-10412
The synthesis of the marine alkaloid hyellazole and the non-natural regioisomer isohyellazole is reported starting from the tricarbonyliron-complexed cyclohexadienylium cation and the fully functionalized arylamines by electrophilic aromatic substitu
Autor:
Satoshi Hibino, Tominari Choshi, Takuya Sada, Hiroyuki Fujimoto, Eiichi Sugino, Chizu Nagayama
Publikováno v:
Tetrahedron Letters. 37:2593-2596
The free radical scavenger carazostatin and the marine alkaloid hyellazole have been synthesized by a new type of allene-mediated electrocyclic reaction involving the indole 2,3-bond as a key step.
Autor:
Hans-Joachim Knölker
Publikováno v:
Tetrahedron Letters. 36:5339-5342
Publikováno v:
Tetrahedron Letters. 36:5339-5342
The marine alkaloid hyellazole has been synthesized in a convergent manner from the tricarbonyliron-complexed cyclohexadienylium cation and a fully functionalized arylamine by an electrophilic aromatic substitution and subsequent oxidative cyclizatio
Autor:
Jan Bergman, Benjamin Pelcman
Publikováno v:
ChemInform. 22
An account of the authors work on the synthesis of carbazole alkaloids is presented. The treatise also includes relevant work from other groups as well as a review on the synthesis of hyellazoles and carbazomycins. Carbazole alkaloids have received c
Publikováno v:
ChemInform. 24
3-Oxygenated carbazoles are prepared in 4 steps from 1 -acetyl-2-methoxy-1,2-dihydroindol-3-one 6 by Wittig reaction with phosphonium ylides 10 to afford the 3-alkylindoles 11, followed by silylation to the silyl enol ethers 12. Electrocyclic reactio