4102-50-5Relevant articles and documents
Phenyl piperazidine thioether and preparation method thereof
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Paragraph 0027; 0032, (2017/07/20)
The invention relates to a phenyl piperazidine thioether and a preparation method thereof. The compound is 4,6-dimethyl-1,3-bis-2,2'-phenyl piperazidine thioether and is synthesized by taking 1,3-dimethyl benzene used as an initial raw material through a
2,4,6,8-tetraiodo-2,4,6,8-tetraazabicyclo[3.3.0]octane-3,7-dione as a mild and convenient reagent for iodination of aromatic compounds
Chaikovski,Filimonov,Yagovkin,Ogorodnikov
, p. 2411 - 2415 (2007/10/03)
2,4,6,8-Tetraiodo-2,4,6,8-tetraazabicyclo[3.3.0]octane-3,7-dione (tetraiodoglycoluril) is a convenient reagent for preparative iodination of benzene, alkylbenzenes, polycyclic hydrocarbons, aromatic amines, and phenol ethers in organic solvents under mild conditions.
Improved, Acid-catalyzed Iodinating Procedures for Activated Aromatics with (Diacetoxyiodo)benzene as the Oxidant
Kryska, Anna,Skulski, Lech
, p. 2501 - 2517 (2007/10/03)
Improved procedures for the oxidative, acid-catalyzed iodination of benzene, iodobenzene and several activated aromatics are presented to give mono-, di-, or triiodinated products in 40-82 percent yields. The reactions proceeded at room temperature in the anhydrous systems: arene or hetarene/diiodine/(diacetoxyiodo)benzene (2)/glacial acetic acid/acetic anhydride, acidified with catalytic amounts of concd. (98 percent) H2SO4. Within at most 15 minutes the iodine coloration faded; the following workups are explained. A similar treatment with dibromine gave tribromomesitylene (65 percent), dibromodurene (62 percent), and 2,7-dibromofluoren-9-one (73 percent). A review on the aromatic halogenation reactions with organic trivalent iodine reagents as the oxidants is presented below.