291 Subject Index 4-Amino-I-trifluoromethylnaphthalene 255 trans, trans-I, 4-Bis( 4-tolyl)perfluorobutadiene 4-Aminobenzotrifluoride 247 260 ~-Amino-~,~-bis(trifluoromethyl)propionic acid Bis(2,3,6-trifluoro-4,5-diaminophenyl) ether 57 202 4-Aminononafluorodiphenyl ether 198 Bis(2,3,6-trifluoro-3-amino-4-nitrophenyl) ether 1-( 4-Aminophenyl)perfluoropropene 253 203 4-Aminophenyltrifluoromethyl ether 265 Bis(trifluoromethyl)acrylic acid 55 4-Aminophenyltrifluoromethyl selenide 276 Bis( trifluoromethyl)amine 83 2-Aminophenyltrifluoromethyl sulphide 272 Bis(trifluoromethyl) diselenide 276 4-Aminophenyltrifluoromethyl sulphide 271 Bis(trifluoromethyl) disulphide 91 Bis(trifluoromethyl)glycolic acid 56 2,2-Bis(benzoylamino )hexafluoropropane 48 Bis(trifluoromethyl)ketene 72 1,3-Bis( difluoromethylsulphonyl)benzene 269 Bis(trifluoromethyl)ketene dimer 43 I ,3-Bis( difluoromethylthio )benzene 270 Bis(trifluoromethyl)mercury 97 Bis(2,2-difluoro-2-triethyl) formal 33 2,3-Bis( trifluoromethyl)perfluorobutadiene-l,3 \; 1-Bis( dimethylamino)-2,2-bis(trifluoromethyl)­ 13 ~~thylene 76 N,N- Bis( trifluoromethyl)-4-phenylenediamine Bis(heptafluoropropyl) disulphide 92 277 Bis(2-hydroperfluoroisopropyl)ketone 43 ~,~- Bis( trifluoromethyl)-~-propiolactone 55 Bis(N-methyl-N-4-chlorophenyl)thiuram disul- 2,2-Bis( trifluoromethyl)propionyl fluoride 61 phide\ 278 N,N- Bis( trifluoromethylsulphonyl)-4-anisidine Bis(pentafluorobenzoyl)peroxide 153 279 Bis(pentafluorophenyl)acetylene 137 Bis(trifluoromethyl)thioketene 73 Bis(pentafluorophenyl)difluoromethane 120 Bis(trifluoromethyl)thioketene dimer 74 Bis(pentafluorophenyl)mercury 219 Bis( trifluoromethyl)thioketene S,S-diethylacetal Bis(pentafluorophenyl)sulphide 182 91 1,4-Bis(pentafluorophenylthio)-2,3,5,6-tetra- Bis( trifluoromethylthio)mercury 96 fluorobenzene 186 Bis-3,3,3-trifluoropropyl ether 30 Bis(perfluoro-tert-butyl) disulphide 93 Bromopentafluorobenzene 127 Bis(perfluoro-tert-butyl)mercury 89 4-Bromophenyltrifluoromethyl selenide 272 Bis(perfluoro-tert-butylthio )mercury 89 2-Bromo-3,4,5,6-tetrafluoroaniline 204 Bis(perfluoroisopropyl) disulphide 92 Butylperfluoroisobutenyl sulphide 91 Bis(perfluoro-l-methylpentyl) disulphide 92 1,1-Bis(piperidino)-2,2-bis(trifluoromethyl)- 4-(Carbamoyl)phenyltrifluoromethyl ether 266 ethylene 76 4-(Chloroformyl)phenyltrichloromethyl ether Bis(2,3,5,6-tetrafluoro-4-aminophenyl) ether 265 197 4-Chloro-N,N- bis( trifluoromethyl)aniline 279 Bis(2,3,5,6-tetrafluoro-4-aminophenyl) sulphide 4-Chloro-3,5-dinitrobenzotrifluoride 243 196 2-Chloroethyl-1 " l' -dihydroperfluorobutyl ether Bis(2,3,5,6-tetrafluoro-4-carbomethoxyphenyl) 31 sulphide 188 2-Chlorohexafluoropropyl)benzoate 67 Bis(2,3,5,6-tetrafluoro-4-carbomethoxyphenyl) 4-Chloro-N-methyl-N-trifluoromethylaniline sulphone 188 278 Bis(2,3,5,6-tetrafluoro-4-hydroxyphenyl)me­ 4-Chloro-3-nitrobenzotrifluoride 244 thane 173 Chloropentafluorobenzene 111 Bis(tetrafluoro-4-nitrophenyl) ether 203 4-Chlorophenyltrichloromethyl ether 264 Bis(2,3,5,6-tetrafluoro-4-nitrophenyl) sulphide 4-Chlorophenyltrifluoromethyl ether 264 196 4-Chlorophenyltrifluoromethyl sulphide 272 292 Subject Index 3-Chlorotetrafluoropyridine 116 2,2-Difluoro-2-nitroethyl-2' -hydroxyethyl ether (2-Chloro-l,I,2-trifluoroethyl)diethylamine 4 29 4-Chloro-N-trifluoromethyl-N-trichloromethyl- 2,2-Difluoro-2-nitroethylpropargyl ether 33 aniline 278 Difluor~nitromethane 87 trans-Decafluoroazobenzene 211 1,1-Difluoro-1-nitro-2-methy1propanol-2 29 Decafluoroazoxybenzene 212 1,I-Difluoro-1-nitropentanol-2 29 Decafluorobenzhydrol 145 1,1-Difluoro-1-nitropropanol-2 29 Decafluorobenzophenone 145 7,7-Difluoronorcarane 6 ro-Decafluorocumol 235 S,S-Difluoro-N-pentafluorophenylsulphimine Decafluoro-5,6-dichloro-l,2-epoxyhexane 102 210 Decafluoro-5,6-dichlorohexene-l 102 Cl,Cl-Difluoro-S-phenylthioglyco1yl chloride 275 cis- and trans-Decafluoro-(l,~-dichlorostilbenes Difluorophosgene 60 138 2,3-Dihydroperfluoro(2,3-dimethy1butane) 14 Decafluorodiphenyl 116 Diisopropyl(3-hydroperfluoropropenyl-2) phos- Decafluoro-l,2-epoxyhexene-5 101 phate 27 trans-Decafluorostilbene 136 Diisopropyl(perfluoropropenyl-2) phosphate 4,4'-Diaminooctafluorobiphenyl 195 26 1,4-Dibromo-2,3,5,6-tetrafluorobenzene 159 Diisopropyl(tetrafluoro-3-chloropropenyl-2) symm-Dichlorodifluoroethylene 7 phosphate 26 1,3-Dichloro-l ,2-epoxyperfluoro(2-phenylpro- Diisopropyl(I,3,3-trifluoro-3-chloropropenyl-2) pane) 36 phosphate 27 1,2-Dichlorohexafluorocyclobutane 54 Diisopropy1(trifluoro-l,3-dichloropropenyl-2) 1,2-Dichloromethylenedioxybenzene 242 phosphate 27 N ,N-Dichloropentafluoroaniline 205 I-Dimethy1amino-l-diethylamino-2,2-bis(tri­ 1,1-Dicyano-2,2-bis(trifluoromethyl)ethylene fluoromethy1)ethy1ene 76 72 4'-Dimethylamino-2,3,4,5,6-pentafluoroazoben­ Diethyl 2,3,5,6-tetrafluorohomoterephtlialate zene 213 160 1-Dimethy1amino-l-piperidino-2,2-bis(trifluoro- 1,1-Difluoro-2-acetoxy-3-methylcyclopropane methyl)ethylene 76 6 DimethyI2,2',3,3',5,5',6,6'-octafluorodiphenyl- 1-Difluoroaminobutanol 101 4,4' -dicarboxylic ester 170 I-Difluoroaminoethanol 100 Dimethyl pentafluorobenzenephosphonate 218 Difluoroaminomethanol 101 Dimethyl (perfluoropropenyl-2) phosphate 26 2-Difluoroamino-2-methylbutane 99 trans, trans, trans, trans-1 ,8-Diphenylperfluoro- 2-Difluoroamino-2-methylpropane 99 octa-1,3,5,7-tetraene 239 I-Difluoroaminopropanol 101 Di(trifluoroacetoxy)iodopentafluorobenzene 1,3-Difluorobenzene 110 220 2,2-Difluoro-l-benzoyl-3,3-bis(trifluoromethyl)­ 1,4-Divinylperfluorobutane 14 aziridine 82 (± )-1 ,2-Difluoro-l ,2-bis(4-nitrophenyl)ethane Ethyl bis(trifluoromethyl)glycolate 39 257 Ethyl-2-iodo-l-chlorotrifluoroethyl ether 64 meso-l ,2-Difluoro-l ,2-bis( 4-nitrophenyl)ethane Ethyl iododifluoroacetate 63 257 Ethyl Cl-nitrosoperfluoropropionate 87 2,2-Difluoro-3,3-bis(trifluoromethyl)aziridine Ethylperfluoroisobutenyl sulphide 90 82 Ethy1perfluorovinyl ether 32 1,1-Difluoro-l-chloro-2-(fluorodichloromethyl)- Ethylperfluorovinyl sulphide 91 buten-3-o1-2 36 1,2-Difluoro-2-chlorovinylethyl sulphide 89 cis- and trans-(l,~-Difluorocinnamic acids 258 Fluoranil 149 cis- and trans-(l,~-Difluorocinnamic nitriles Fluorobenzene 109 258 I-Fluorobutane 3 Difluoroiodosylbenzene 284 1-Fluoro-l-chloro-1 ,2-epoxy-2-(difluorochloro­ 2-Difluoromethoxybenzaldehyde 263 methyl)butene-3 36 1,2-Difluoromethylenedioxybenzene 242 4-(Fluoroformyl)phenyltrifluoromethyl ether Difluoronitroacetic acid 52 265 Difluoronitroacetyl chloride 53 I-Fluorohexane 4 Difluoronitroethanol 28 2-Fluoronitroethane 51 2,2-Difluoro-2-nitroethylallyl ether 33 3-Fluoro-2-trifluoromethylhexen-2-oic acid 59 Subject Index 293 Heptafluorobenzyl bromide 121 Methyl trifluoropyruvate 68 Heptafluoro-a.-chlorostyrene 133 Monofluoroacetic acid 51 Heptafluoro-l,2-dichloro-4-iodobutane 16 Monofluoroethyl alcohol 22 Heptafluoronitrosocyclobutane 50 Hexafluoroacetone 40 4-Nitrobenzotrifluoride 248 Hexafluoroacetone anil 47 2-Nitro-4,5-bis(trifluoromethyl)aniline 249 Hexafluoroacetone benzoylimine 48 4-Nitro-a.-bromo-a.,Cl-dichlorotoluene 247 Hexafluoroacetone hydrate 41 5-Nitro-4-chloro-l ,2-bis(trifluoromethyl)ben- Hexafluoroacetone imine 46 zene 249 Hexafluoroacetone oxime 49 1-Nitro-4-(2,2-difluoroethyl)benzene 256 Hexafluoroacetone oxime nitrite 86 1-(4-Nitrophenyl)perfluoropropene 254 Hexafluorobenzene III 4-Nitrophenyltrifluoromethyl sulphoxide 273 Hexafluoro-bis(trifluoromethyl)pentyne-2 20 Nitrosononafluoro-tert-butane 25 Hexafluoro-2-chloroisopropyl benzoate 67 2-Nitro-3,4,5,6-tetrafluoroaniline 199 Hexafluoro-2-chloropropylfluorosulphate 95 4-Nitro-I-trifluoromethylnaphthalene 255 Hexafluoro-2,3-dichlorobutene-2 19 Nonafluoro-J3-chloroethylbenzene 132 Hexafluoroisobutenyldimethylamine 62 Nonafluoro-4-nitrodiphenyl ether 197 Hexafluoro-2-nitroso-2-trifluoromethylpropane Nonafluoropivalyl fluoride 62 25 Hexafluoropropane-2-J3-sultone 94 Octachloronaphthalene 113 Hexafluorothioacetone 45 Octafluoroanthraquinone 150 Hexafluorothioacetone dimer 45 Octafluorobenzidine 195 Cl-Hydroperfluoroisobutyric acid 12,53 Octafluoro-4,4'-dihydroxybiphenyl 172 2-Hydroperfluoroisopropyl alcohol 24 Octafluoro-I,4-diiodobutane 15 Cl-Hydroperfluoropropionitrile 70 3,3,4,4,5,5,6,6-0ctafluoro-l,8-diiodooctane 15 Cl-Hydrotetrafluoroethanesulphonyl fluoride Octafluorotoluene 119 94 5-Hydroundecafluoro-I ,2-dichloro-6-iodo­ Pentachloropyridine 115 hexane 101 Pentafluoroacetone 38 2-Hydroxyethyl-l ',1' -dihydroperfluorobutyl 2,3,4,5,6-Pentafluoroacetophenone 144 ether 31 Pentafluoroaniline 193 4-Hydroxyphenyltrifluoromethyl sulphipe 272 2,3,4,5,6-Pentafluoroanisole 180 Pentafluoro-2-azapropene 83 Iodine monochloride 64 Pentafluoro-2-azapropene dimer 84 1-Iodo-2-chloro-l ,2,2-trifluoroethane 7 Pentafluorobenzaldehyde 142 1-Iodo-l ,2-dichloro-1 ,2,2-trifluoroethane 16 Pentafluorobenzaldehyde diacetal 143 2-Iodoheptafluoropropane 3 Pentafluorobenzamide 155 Iodopentafluorobenzene 128 Pentafluorobenzene 125 Iodotrifluoroethylene 6 Pentafluorobenzenesuiphinic acid monohydrate 189 Pentafluorobenzenesulphinyl chloride 190 Cl-Ketoperfluorovaleric acid dimethylamide 70 Pentafluorobenzenesulphochloride 184 Pentafluorobenzenesulphonic acid 184 Lithium pentafluorobenzenesulphinate 190 Pentafluorobenzenesulphonic acid monohydrate 184 Magnesium ethoxymalonate 147 Pentafluorobenzoic acid 151 Mercury trifluoroacetate 97 Pentafluorobenzonitrile 154 Methyl Cl,Cl-difluoro-S-phenylthioglycolate 275 Pentafluorobenzotrichloride 134 Methyl-2-hydroperfluoroisobutyl ether 61 Pentafluorobenzotrifluoride 119 Methyl Cl-hydroperfluoroisobutyrate 65 Pentafluorobenzoyl acetate 146 Methyllithium 129