2.4- Diamino-5-phenylazo-6-

Das bei der Umsetzung von 3,4-Diamino-furazan mit Nitroso-benzol erhaltene 4-Amino-3-phenylazo-furazan (I 27%) liefert mit Blei(IV)-acetat 5-Phenyl-(1,2,3-azeniaazoniaazolo 4,5-c]-furazan) (II 28%)257 258, das auch aus 4-Amino-3-azido-furazan mit Nitroso-benzol zugang-lich ist259 ... [Pg.675]

Diamino-4//-pyrimido[2,l-a]isoquinolin-4-ones (102) were obtained by reduction of 2-amino-3-nitroso- and 3-phenylazo-4//-pyrimido[2,l-a]isoquinoline-4-ones (101) with sodium dithionite (73GEP2261009). [Pg.201]

Phenyldiazene chloride reacted with 2,6-diaminopyridine and in the result 2,6-diamino-3-(phenylazo)pyridine was obtained. [Pg.2696]

Chrysoidine (Diaminoazobenzene or 4-Phenylazo -m-phenylene diamine Hydrochloride) [called 2,4 -Diamino-azobenzol 4-Benzolazo-phenylenediamin -(1.3) or Base des Chrysoidins in Ger], CgHg. N N.CgH3(NH2)2 mw 212.25, N 26-40% yel ndls (from hot w), mp 117.5° S°1 in ale, eth, chlf, benz or aniline si sol in hot w. It forms numerous salts which are cryst comds. The Hydrochloride (also called Chrysoidine Y or Chrysoidine Extra), C12 12V C1, red-brn powd or large, black shiny crysts having a green luster, is the commercial product. The Dihydrochloride, col crysts (from ale), dec at 222°. Other props methods of prepn are given in Ref 1... [Pg.103]

Oxazol 3,5-Diamino-4-(4-methyl-phenylazo)- E16d. 83 (Ringschl.)... [Pg.746]

DIAMINO-3-(PHENYLAZO)PYRIDINE MONOHYDROCHLORIDE see PDC250 4,4 -DIAMINOPHENYL ETHER see OPMOOO... [Pg.1612]

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