Tetrahedron p. 147 - 162 (1988)
Update date:2022-08-03
Topics:
Barton, Derek H. R.
Bashiardes, George
Fourrey, Jan-Louis
The oxidation of hydrazones by iodine in the presence of strong organic bases (guanidines) has been studied.Improved yields of vinyl iodides can be obtained by inverse addition using dry solvents and with a final heating period where appropriate.The reaction has been extended to various dihydrazones with interesting results.In complementary studies hydrazones have been oxidized by phenylselenyl bromide in the presence of strong organic bases to give the corresponding phenyl vinyl selenides in good yield.
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