Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Henri Moskowitz"'
Autor:
Joe¨lle Rayrargue, Henri Moskowitz, Fatima Zaari, Jean-Franç¸ois Berrien, Marie-Noe¨lle Raymond
Publikováno v:
Tetrahedron Letters. 40:3367-3370
Methoxyallylcopper reagents substituted in α and/or β position of methoxy group reacted regiospecifically with MVK to give γ-1, 4 adducts, i.e. ketoenolethers. γ substituted methoxyallylcopper reagents gave mixtures of γ-1, 4 and α-1, 4 adducts
Autor:
Michel Coquillay, J. L. Avril, Bernard Marcot, Colette De Rango, Henri Moskowitz, Joëlle Mayrargue
Publikováno v:
New Journal of Chemistry. 23:743-748
Hydroxylamine reacts with 2-(2,3-dimethoxyphenyl)-2-propynylcyclohexanone 1 and leads, not to the expected oxime, but to a N-hydroxyaminonitrone 5, according to a reverse-Cope or a 1,3-azaprotiocyclotransfer (APT) mechanism. The deprotection of the p
Publikováno v:
ChemInform. 23
Pummerer's ketone 1 is obtained with an overall yield of 55 % by the following sequence: Claisen rearrangement of an arylcyclohexylether 3; allylic oxidation of the methylcycloalkylphenolic derivative 4b, then spontaneous cyclisation during demethyla
Publikováno v:
ChemInform. 23
effective and straightforward route has been accomplished for the synthesis of hexahydrodibenzofurans based on rearrangement of a spirodihydrocoumarin.
Autor:
M.H. Munos, Alain Fournet, Henri Moskowitz, Joëlle Mayrargue, Jean-Charles Gantier, Reynald Hocquemiller
Publikováno v:
ChemInform. 26
Synthesis of an antileishmanial alkaloid and related compounds by using various epoxide-forming reactions is described.
Publikováno v:
ChemInform. 29
Lithium diisopropylamide, reacts with trifluoromethylketones either as a base in polar solvents or as a hydride donor in hexane. In the presence of tert -Butyldimethylsilyl chloride, Lithium diisopropylamide allows the transformation of trifluorometh
Publikováno v:
ChemInform. 30
A short synthesis of C4 trifluoro-substituted 1,2,4-trioxanes with antimalarial potential is reported. This is the first example using a trifluorosilylated enol ether function as a protective group for a trifluoromethyl carbonyl.
Autor:
Bernard Marcot, Colette De Rango, Henri Moskowitz, J. L. Avril, Michel Coquillay, Joëlle Mayrargue
Publikováno v:
ChemInform. 30
Hydroxylamine reacts with 2-(2,3-dimethoxyphenyl)-2-propynylcyclohexanone 1 and leads, not to the expected oxime, but to a N-hydroxyaminonitrone 5, according to a reverse-Cope or a 1,3-azaprotiocyclotransfer (APT) mechanism. The deprotection of the p
Publikováno v:
ChemInform. 32
The synthesis of 2-substituted-trifluoromethylquinolines from aniline, trifluoromethylanilines, 3-aminoquinoline and trifluoromethylquinaldines is reported. In vitro antileishmanial evaluation of 2-alkyl, 2-alkenyl and 2-epoxypropyl-trifluoromethylqu
Publikováno v:
Synthetic Communications. 22:1783-1792
Pummerer's ketone 1 is obtained with an overall yield of 55 % by the following sequence: Claisen rearrangement of an arylcyclohexylether 3; allylic oxidation of the methylcycloalkylphenolic derivative 4b, then spontaneous cyclisation during demethyla