Hypervalent Iodine Oxidation: α-Functionalization of β-Dicarbonyl Compounds Using Iodosobenzene
Hypervalent iodine oxidation of β-diketones and β-ketoesters with iodosobenzene-boron trifluoride etherate in chloroform using appropriate nucleophiles results in α-functionalization.Benzoylacetone on reaction with iodosobenzene or iodosobenzene boron trifluoride-etherate in methanol yields α-methoxyacetophenone (9) and methyl phenylacetate (10).The possible mechanisms for these reactions are discussed.
Moriarty, Robert, M.,Vaid, Radhe K.,Ravikumar, Vasulinga T.,Vaid, Beena K.,Hopkins, Thomas E.
p. 1603 - 1608
(2007/10/02)
Chemistry of the Coccoidea. VII Synthesis of Ceroalbolinic Acid
The insect anthraquinone ceroalbolinic acid (1) has been synthesized for the first time by successive Diels-Alder addition of the highly functionalized dienes (6) and (9) to 2,6-dichloro-1,4-benzoquinone.
Cameron, Donald W.,Conn, Costa,Feutrill, Geoffrey I.
p. 1945 - 1949
(2007/10/02)
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