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1.1- Diethoxycarbonyl-3- -2-nitro

Carboxyl group of (-)-9-fluoro-3-methyl-7-oxo-10-[(3S)-3-(tert-butoxy-carbonylamino)pyrrolidino]-2,3-dihydro-7//-pyrido[l,2,3- 7e]-l,4-benzoxa-zine-6-carboxylic acid was converted into l-nitro-2-oxoethyl group in 45% yield by treatment with l,l -carbonyldiimidazole in boiling CFICI3 for 18h, then with MeN02 in the presence of KOr-Bu for another 18 h (96MI12). 6-(2,2-Diethoxycarbonyl)acetyl derivative formed from the aforementioned 6-carboxylic acid, when it was treated with l,l -carbonyldiimidazole in... [Pg.276]

Aus l-Nitro-(l,3-thiazolidin-2-yliden)-essigsaure-ethylester wird mit Acetanhydrid/Diethyl-ether-Trifluorboran unter Abspaltung dcs 1,3-Thiazoliden-Ringsystcms 3,4-Diethoxycarbonyl-furazan-2-oxiderhalten (zum Mechanismus s. Lit.)348 (zu weiteren Beispielen s. Lit.349- 354464) ... [Pg.741]

Diethoxycarbonyl-2,6-dimethyl-l,4-dihydro-pyridin (HEH) wird vor allem zur Hy-drierung von aromatischen Nitro-alkenen zu l-Aryl-2-nitro-alkanen (70-100%) eingesetzt, da es sehr selektiv ist und im Gegensatz zu Natriumboranat keine Nebenprodukte... [Pg.229]

Imidazol 4,5-Diethoxycarbonyl-l-propyl- IV/la, 746 Kohlensaure -[l-(3,5-dimethoxy-phenyl)-1 -methyl-ethylester]-hydrazid XV/1, 151 Propan 2-(3,4-Dimethoxy-phenyl)-3-methylamino-1-nitro- E16d, 233 (Michael-Addition)... [Pg.1051]

N-( Cyan-ethoxycarbonyl-methylen)-0-(4-nitro-benzoyl)-...42 O-Benzoyl-N- (diethoxycarbonyl-methylen)-.. 42... [Pg.780]

See other pages where 1.1- Diethoxycarbonyl-3- -2-nitro is mentioned: [Pg.135]    [Pg.278]    [Pg.232]    [Pg.232]    [Pg.516]    [Pg.3367]    [Pg.562]    [Pg.516]   
See also in sourсe #XX -- [ Pg.232 ]



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3.4- Diethoxycarbonyl

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