Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Christopher J. Flann"'
Autor:
Christopher J. Flann, Yinsheng Zhang
Publikováno v:
The Journal of Organic Chemistry. 63:1372-1378
The [4 + 2] cycloaddition reactions of N-sulfinylphosphoramidates, prepared from the corresponding phosphoramidates by treatment with N-(chlorosulfinyl)imidazole, and 1,3-cyclohexadiene were found to be diastereoselective in the absence (>90:10) and
Publikováno v:
ChemInform. 23
Treatment of 3-(silyloxy)acrylolyl-2′ (or 3′)-haloanilides with LDA followed by hydrolysis gives 3-acyl-3-alkyloxindoles in preparatively useful yields.
Publikováno v:
Organic Syntheses
Regioselective synthesis of tetrahydropyridines: 1-(4-methoxyphenyl)-1,2,5,6-tetrahydropyridine intermediate: (Z)-4-(trimethylsilyl)-3-butenyl 4-methylbenzenesulfonate reactant: 41.5 g (0.337 mol) of 4-methoxyaniline intermediate: N-(4-methoxyphenyl)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::261440854fbfc2d470b62bc8365d4e02
https://doi.org/10.1002/0471264180.os068.23
https://doi.org/10.1002/0471264180.os068.23
Publikováno v:
Tetrahedron Letters. 24:5035-5038
the feasibility of the use of an acetal as the linking group for the diene and dienophile in the intramolecular Diels-Alder reaction has been demonstrated. Although some limitations were encountered, in general the mixed acetals examined showed excel
Publikováno v:
Tetrahedron Letters. 24:4923-4926
Mixed acetals of olefinic and acetylenic alcohols and β-carbonyl and other substituted aldehydes are readily obtained by acetoxy-mercuration followed by demercuration utilizing NaBH 4 or Na 2 CS 3 .
Publikováno v:
Journal of the American Chemical Society. 107:4359-4362
Publikováno v:
Journal of the American Chemical Society. 109:6097-6107
Publikováno v:
Tetrahedron. 45:4945-4950
Autor:
Christopher J. Flann, Larry E. Overman
Publikováno v:
Journal of the American Chemical Society. 109:6115-6118
Synthese a partir de bromo-4 trimethylsilyl-4 butene-3ylamine (=R-NH 2 ) et de dimethoxy-3,4 perhydro furannedione-2,5 via la cyclisation de R-1 dimethoxy-3,4 oxo-5 pyrroline-1ium et l'acylation de l'α,β-dimethoxy ethoxycarbonyl-1 tetrahydro-1,2,5,
Publikováno v:
Tetrahedron Letters. 29:2147-2150
An efficient, enantioselective synthesis of the title compound 1 via diastereoselective cyclopropanation is described.