Benzophenones 2 Benzopyrans

Benzophenone process, 73 583 Benzophenonetetracarboxylic dianhydride (BTDA), 70 406, 407t Benzophenone trifluoroborane, 4 1441 Benzopyran Red, colorant for plastics,... [Pg.94]

Benzophenones—see also Hydroxybenzophenones chemical shifts for 338 Benzopyrans, formation of 619 Benzoquinone O-oxide 1057 Benzoquinone oximes 235 tautomerism in 251 Benzoquinones—see... [Pg.1480]

Benzonitrile, 2,6-dimethoxy-, 22, 35 Benzophenone, 23, 99 Benzophenone azine, 24, 55 Benzophenone hydrazone, 24, 54 1,2-Benzopyran-3-carboxylic acid, 2-oxo-, ethyl ester, 28, 24 Benzopyrrole, 23, 42 Benzo(j) )quinolizine, 1,2,3,5,6,7-HEXAHYDRO-, 26, 40 -Benzoquinone, 26, 25 Benzothiazole, I-amino-5-methyl-, 22,16... [Pg.52]

Benzodioxaborole (cateckolborane), 131 Benzoic add Birch reduction, 103-104 —, 2-(acetylnitrosoamino)- benzyne from, 93 Benzoin. See Ethanone, 2-hydroxy-l,2-diphenyl-Benzophenone = diphenyhnethanone aldol addn. and condensation with, 56-57 3tf-2 Benzopyran-3-one, 1,4-dihydro-, 80 Benzoquinones. See Cyclohexadienediones Iff-Benzotriazole, 1-hydroxy- (HBT, HOBT) acylation catalyst, 145, 231 Benzvalene — t ricyclo[2.1.1.03,6]hex-2-ene. 330-331... [Pg.202]

Benzophenone-3,3-4,4-tetracarboxylic dianhydride. See 3,3, 4,4 -Benzophenone tetracarboxylic dianhydride 2H-1-Benzopyran-2-one, 7-(diethylamino)-4-methyl. See 7-Diethylamino-... [Pg.992]

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