Spiro 1,3-dithiol-2,9’-fluorene

The reagent also can be used for regeneration of ketones from 1,3-dithiolanes/ For example, spiro[1.3-dithiol-2,9 -fluorene] (3) is converted into fluorenone (4) in 86% yield by the reaction of chloramine-T in 80 % ethanol. [Pg.446]

Sodium N-methylanilide, 459 Sodium methylsulfinylmethylide, 195-196 Sodium naphthalenide, 349-350 Sodium nitrite, 459-460 Sodium nitrosodisulfonate, 411 Sodium orthophosphate dodecahydrate, 309 Sodium perborate, 59 Sodium phenanthrenide, 375 Sodium phenoxide, 352 Sodium phenoxides, 86 Sodium sulfide, 77,460-461 Sodium sulfite, 91 Sodium tetraborate, 461 Sodium tetracarbonylferrate(-Il), 461-465 Sodium tetraphenylborate, 81 Sodium thiocyanate, 7 Sodium thioethoxide, 465 Sodium thiophenoxide, 314,460 Sodium thiosulfate, 466 Sommelet reaction, 243 Spiroalkylation, 213-214 Spirobutanones, 211-212 Spiro[l,3-dithiol-2,9 -fluorene], 446 Spiro-epoxy-2,4-cyclohexadienones, 373-374... [Pg.331]