2-Amino-5,6-dimethoxy

Dagegen tritt bei 2-Amino-4,5-diphenyl-4-hydroxy-4H-imidazol keine Umlagerung ein, da kei-ne Methyl-Gruppe vorhanden ist. Es wird stattdessen in konz. Salzsaure zu 2-Amino-4,5-di-hydroxy-4,5-diphenyl-4,5-dihydro-imidazol hydratisiert129. Mit Methanol/Salzsaure erhalt man 2-Amino-4,5-dimethoxy-4,5-diphenyl-4,5-dihydro-imidazol129 ... [Pg.35]

Dimethylamino- 2-( 2-amino- 4,5-dimethoxy-phenyl)- - nitril 465 4- Dimethylamino- -nitril 122 4- Dimethylamino- 2-( 2-nitro- 4,5- di methoxy-phenyl)- -nitril 465... [Pg.822]

Chromone, 2-alkylamino-5,8-dimethoxy-synthesis, 3, 717 Chromone, 2-amino-aromaticity, 3, 714 tautomerism, 3, 644... [Pg.581]

Pterin-4-one, 2-amino-stnicture, 3, 273 Pterin-7-one, 2,4-dimethoxy-hydrolysis, 3, 299 Pterin-6-ones reactions... [Pg.757]

Pyridazine, 4-amino-3,6-dihalo-ring contraction, 3, 29 Pyridazine, 4-amino-3,6-dimethoxy-nitration, 3, 20... [Pg.780]

Chlorazol Sky Blue FF 6,6 -[(3,3 -dimethoxy[l,l -biphenyl]-4,4 -diyl)bis(azo)bis(4-amino-5-hydroxy-l,3-naphthylenedisulfonic acid) tetra-Na salt [2610-05-1 ] M 996.9, m... [Pg.410]

Proof of formula (VI) for dehydrolaudanosoline salts was provided by a study of its exhaustive methylation, the products at the first and second stages of the application of this process being 5 6-dimethoxy-2-(3 4 -dimethoxy-6 -vinylphenyl)-l-methyldihydroindole (VIII) and 6-dimethyl-amino-3 4 3 4 -tetramethoxy-6 -vinylstilbene (IX) respectively. [Pg.190]

It was elaimed that eyelization of ethyl 2-ehloro-5-eyelopropyl-6- [(A-(4,5-dimethoxy-2-nitrophenyl)methoxy)earbonyl]-A-(2-fluoro-3-hydroxy-l-oxo-2-propen-l-yl)amino nieotinate (321) in boiling aqueous dioxane in the presenee of K2CO3 overnight yielded l- [(4,5-dimethoxy-2-nitrophe-nyl)methoxy]earbonyl -9-eyelopropyl-3-fluoro-2-oxo-2,6-dihydropyrido[l, 2-n]pyrimidine-7-earboxylate (160) (95MIP1, 96MIP4, 96USP5580872). [Pg.237]

Chemical Name 1 -(4-Amino-6,7-dimethoxy-2-quina2ollnyl)-4-(2-furanylcarbonyl)pipera2ine Common Name Fura20Sin... [Pg.1280]

Chemical Nama 4-amino-N-(5,6-dimethoxy-4-pyrimidinyl)benzenesulfonamide Common Nama Sulforthomidine sulformethoxine Structural Formula /---y, H= ... [Pg.1404]

Benzoic acid,4-amino-3-[(methylthio)-methyl] -, ethyl ester, 15 Benzoic acid, 2-benzoyl-, methyl ester, 63 Benzoic acid, 4-bromo-, 86 Benzoic acid, 4-chloro-, 86 Benzoic acid, 2,4-dimethoxy-, 31 Benzoic acid, 3,4-dnnethoxy-, 31 Benzoic acid, 3,4-dimethyl-, 31 Benzoic acid, 3,5-dimethyl-, 86 Benzoic acid, 4-hydroxy-, 60 Benzoic acid, 2,4,6-tnmethyl-, 31 methyl ester, 63... [Pg.138]

Benzoxazole reagieren mit Diboran in 1,2-Dimethoxy-athan bei 25° unter Amin-Boran-Bildung, nachfolgender Umlagerung und Verseifung der 2,3-Dihydro-(benzo-1,3,2-oxazaborole), mit Salzsaure zu den entsprechenden o-Amino-phenolen2 ... [Pg.91]

Dimethoxy-1 -methyl-3-p-nitrostyryl-2( l//)-quinoxalinone gave 3-p-amino-phenethyl-6,7-dimethoxy-l-methyl-2(l//)-quinoxalinone (102) (H2, Pt02, AcOEt, 20°C 72% note incidental reduction of the nitro group). [Pg.111]

Amino-5,7-dimethoxy-3-phenyl-2(17/)-quinoxalinone (127) gave 6-methoxy-3-oxo-2-phenyl-3,4-dihydro-5,8-quinoxalinequinone (128) (NaI04, H2SO4, MeOH, H2O, 20°C, 3 min 87%). ... [Pg.208]

Dimethoxy-8-nitro-3-phenyl-2(17/)-qumoxalinone (43, R = N02) gave 8-amino-5,7-dimethoxy-3-phenyl-2(l/7)-qumoxalinone (43, R = NH2) (Na2S204, NaHCOa, MeOH, H2O, reflux, 30 min 64%). ... [Pg.265]

CN ( )-A -[3-[(4-amino-6,7-dimethoxy-2-quina2olinyl)methylamino]propyl]tetrahydro-2-furancarboxamide monohydrochloride... [Pg.59]

CN l-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(2,3-dihydro-l,4-benzodioxin-2-yl)carbonyl]piperazine hydrochloride... [Pg.711]

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