1,2 Benzo 3,4 dihydrocarbazole

N-Cyanoguanidine, 35, 69 Cyanohydrin formation, 33, 7 3-Cyano-6-isobutyl-2(l)-pyridone, 32, 34 3-Cyano-6-methyl-2(1)-pyridone, 32, 32 l-Cyano-3-a-naphthylurea, 36, 11 1-Cyano-3-phenylurea, 36, 8 Cyclic acyloins, 36, 82 Cyclization, (3-aminoethylsulfuric acid to ethylenimine, 30, 38 1,2-benzo-3,4-dihydrocarbazole from phenylhydrazine and a-tetralone,... [Pg.47]

Tetrahydrocarbazole has been prepared from cyclohexanone phenylhydrazone, by the direct reaction of cyclohexanone with phenylhydrazine, and by the hydrogenation of carbazole. 1,2-Benzo-3,4-dihydrocarbazole has been prepared from the phenylhydrazone of a-tetralone and by the direct reaction of a-tetralone with phenylhydrazine. ... [Pg.47]

Fischer indole synthesis, of 1,2-benzo-3,4-dihydrocarbazole, 30, 91 of 1,2,3,4-tetrahydrocarbazole, 30, 90 Flavilium chloride, 32, 75 Flavone, 32, 72 Formaldehyde, 30, 51 or-Formylethyl methyl ketone, 32, 34 Formyl isobutyl ketone, 32, 34 Friedel-Crafts reaction, 30, 1 31, 88 32, 10... [Pg.58]

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