A Seleno-Pummerer Rearrangement of Haloselenuranes
作者:Juzo Nakayama、Yoshiaki Sugihara
DOI:10.1246/cl.1988.1317
日期:1988.8.5
When heated or treated with triethylamine in tetrahydrofuran, diacetonyl- and diphenacylselenium dichlorides and their derivatives undergo seleno-Pummerer rearrangement to give the corresponding α-chloro selenides in good yields.
Pummerer-like reaction of selenium(IV)-dichlorides. Synthesis of α-chloro-α-phenylselenenylketones and α,α-dichloro-α-phenylselenenylketones
作者:Lars Engman、Joachim Persson、Ulf Tilstam
DOI:10.1016/s0040-4039(00)99093-2
日期:1989.1
Selenium(IV)-dichlorides , readily available by treatment of methyl ketones with phenylselenium trichloride or selenium tetrachloride, were treated in methylene chloride with pyridine to give α-chloroselenides in a Pummerer-like reaction. Sulfurylchloridechlorination of these materials and repeated pyridine treatment similarly afforded α,α-dichloroselenides .