Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Anastasios Varvoglis"'
Publikováno v:
Molecules, Vol 5, Iss 11, Pp 1182-1186 (2000)
Treatment of trimethylsilylethynyl(phenyl)iodonium triflate with the potassium salts of some acidic phenols results in the formation of substitution products (O-trimethylsilylethynylphenols and/or O-ethynylphenols), along with sp2C-H insertion produc
Externí odkaz:
https://doaj.org/article/170bd57054c74e84a832b72ff79300da
Publikováno v:
Molecules, Vol 5, Iss 6, Pp 874-879 (2000)
Phenolic enamino compounds, prepared from 2-(4-hydroxyphenyl)-ethylamine and the corresponding β-keto carbonyl compounds, afford spiro cyclohexadienone derivatives on reaction with hypervalent iodine reagents.
Externí odkaz:
https://doaj.org/article/2a3438393c2c4de7972c860331fd974c
Autor:
Anastasios Varvoglis
Publikováno v:
Tetrahedron. 66:5739-5744
Publikováno v:
Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry
Molecules, Vol 10, Iss 10, Pp 1340-1350 (2005)
Molecules; Volume 10; Issue 10; Pages: 1340-1350
Molecules, Vol 10, Iss 10, Pp 1340-1350 (2005)
Molecules; Volume 10; Issue 10; Pages: 1340-1350
The preparation of phenylsulfonyl indene derivatives and phenylsulfonyl- acetylenes from readily available alkynyl(phenyl)iodonium tetrafluoroborates and triflates was investigated using phenylsulfinate as nucleophile.
Publikováno v:
Molecules, Vol 5, Iss 6, Pp 874-879 (2000)
Molecules
Volume 5
Issue 6
Pages 874-879
Molecules
Volume 5
Issue 6
Pages 874-879
Phenolic enamino compounds, prepared from 2-(4-hydroxyphenyl)-ethylamine and the corresponding β-keto carbonyl compounds, afford spiro cyclohexadienone derivatives on reaction with hypervalent iodine reagents.
Autor:
Spyros Spyroudis, Anastasios Varvoglis
Publikováno v:
Synlett. 1998:221-232
Publikováno v:
Tetrahedron. 54:1005-1012
Methyl 3-aminocrotonate reacts with [hydroxy(tosyloxy)iodo]benzene to afford the corresponding E -2-phenyliodonio tosylate in good yield. This new alkenyl iodonium salt upon reaction with various nucleophiles offers an easy access to substituted enam
Publikováno v:
Tetrahedron. 53:6097-6112
The reaction of 2-amino-1,4-quinones with [(hydroxy)(tosyloxy)iodo]arenes affords stable 2-amino-3-aryliodonio-1,4-quinones in high yields. The latter, upon treatment with alkali, are converted to the corresponding zwitterionic 3-aryliodonio-1,4-quin
Autor:
Anastasios Varvoglis
Publikováno v:
Tetrahedron. 53:1179-1255
The main features of hypervalent iodine chemistry are presented with an emphasis on recent synthetic applications. Reactions are loosely grouped together according to the type of substrate and/or transformation.
Publikováno v:
Tetrahedron Letters. 37:913-916
The synthesis of a new class of zwitterionic aryliodonium compounds from 2-amino-1,4-naphthoquinone and [(hydroxy) (tosyloxy)iodo]arenes is described. These dipoles exhibit an interesting reactivity under thermal and photochemical conditions.