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2- Methyl-4,5-dihydro imidazol

Amino-l,5-dihydro-l-methyl-4//-imidazol-4-one, c302 2-Aminodiphenylamine, pi37 Aminodiphenylmethane, d761 Aminoethane, e63... [Pg.87]

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]

Substituierte 4,5-Dihydroxy-4,5-dimethyl-4,5-dihydro-imidazole lagern sich unter dem Ein-fluB von Sauren in die entsprechenden 4(5)-Hydroxymethyl-5(4)-methyl-imidazole um416 (vgl. S. 34-37) ... [Pg.89]

SchlieBlich sind die Herstellung von 1,3-Dimethyl-2-thiono-2,3-dihydro-imidazol (71 %)640 bzw. von 1,3-Dimethyl-2-methyUhio-imidazolium-(4-methyl-benzolsulfonat) ( 100%)641 aus l,3-Dimethyl-imidazolium-(4-methy]-benzolsulfonat) durch Umsetzung mit Natriumsulfid bzw. Natrium-methyldithiosulfat zu nennen. [Pg.142]

Die Bestrahlung 1-substituierter 2-Methyl-5-nitro-imidazole in einem Wasser/1,4-Dioxan (9 1)-Gemisch mit einer Quecksilber-Hochdrucklampe fiihrt iiber die Bildung eines 3-Hydrox-imino-5-oxo-4,5-dihydro-imidazols als primares Photoprodukt zu 3-Aminocarbonyl-5-me-thyl-l,2,4-oxadiazolen103 235 ... [Pg.486]

Ein Syntheseweg zu cw-1,2-Diamino-cyclobutanen geht von der photosensibilisierten Cycloaddition von Alkenen an 1,3-Diacetyl-2-oxo-2,3-dihydro-imidazole aus die entste-henden 2,4-Diaeetyl-3-oxo-2,4-diaza-bicyclo[3.2.0]heptane werden isoliert und alkalisch zu cis-1,2-Diamino-butan hydrolysiert1. Man erhalt so z. B. aus Ethen in zwei Stufen mit je 77% und 63% Ausbeute cis-1,2-Diamino-cyclobutan, aus Propen cis-1,2-Di-amino-3-methyl-cyclobutan (l.Stufe 75% 2.Stufe 62%) und aus 2-Methyl-propen cis-l,2-Diamino-3,3-dimethvl-cvcbbutan (l.Stufe 66Vo 2.Stufe 50%) ... [Pg.1173]

Allyloxy-(2,5-dihydro-imidazol-2- I )-,inuilo] 6 fluoro 1 lutliioi o methyl- E16a/1. 290 (OH - OR)... [Pg.769]

C4H5N cis-crotonitrile 1190-76-7 -72.60 1.0667 2 2919 C4H6N2S 1,3-dihydro-1-methyl-2H-imidazole-2-thione 60-56-0 25 00 1.1757 2... [Pg.213]

COMPLEXES OF 1,3-DIHYDRO-l-METHYL-2//-IMIDAZOLE-2-THIONE WITH COBALT(H)... [Pg.171]

The S,N-containing heterocyclic molecule l,3-dihydro-l-methyl-2tf-imidazole-2-thione (mimt), together with its thiol tautomer, have significant coordination potential which is likely to be susceptible to variations in pH and other reaction conditions. [Pg.171]

Tetrakis(l,3-dihydro-l-methyl-2A/-imidazole-2-thione)dinitratocobalt(II) monohydrate is an emerald-green, crystalline solid. The Co—S contact is characterized by perturbation of the thioamide IV band of the parent ligand (730-745 cm1) and by a v(Co—S) band at 310 cm"1. The complex is non-conducting in nitromethane. [Pg.172]

CoNAS2C,H 2, Cobalt(ll), bis(l,3-dihydro-l-methyl-2//-imidazole-2-thione)dinitrato-, 23 171... [Pg.236]

Beilstein Handbook Reference) A13-16865 BRN 0104225 4,5-Dihydro-2-methyl-1H-imidazole EINECS 208-596-6 IH-lmidazole, 4,5-dihydro-2-methyl- 2-Imidazoline, 2-methyl- Lysidine Methylglyoxalidine 2-Methyiimidazoline. Crystals mp 107° bp = 196.5° insoluble in EI2O, soluble in CHCI3, very soluble in H2O, EtOH. [Pg.373]

Dihydro-4-methyl-2(3W)-furanone Dihydro-5-methyl-2(3W)-furanone, ( ) 4,5-Dihydro-2-methyl-1//-imidazole... [Pg.299]

Di hydro-1-methyl-2W-imidazole-2-thione 2,3-Di hydro-1-methyl-1 W-indene 3,4-Dihydro-2-methyl-1(2hr)-naphthalenohe 4-(4,5-Dihydro-3-methyl-5-oxo-1W-pyrazol-1-yl)behzehesulfohic acid... [Pg.301]

Complexes l,3-Dihydro-l-Methyl-2H-Imidazole-2-Thione with CobaMJT) 171... [Pg.171]


See other pages where 2- Methyl-4,5-dihydro imidazol is mentioned: [Pg.745]    [Pg.847]    [Pg.2014]    [Pg.2355]    [Pg.141]    [Pg.36]    [Pg.89]    [Pg.95]    [Pg.847]    [Pg.2329]    [Pg.300]    [Pg.423]    [Pg.818]    [Pg.373]    [Pg.519]    [Pg.258]    [Pg.258]    [Pg.231]    [Pg.340]    [Pg.125]    [Pg.125]    [Pg.278]   
See also in sourсe #XX -- [ Pg.4 , Pg.4 ]




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