Synthesis p. 153 - 155 (1997)
Update date:2022-08-02
Topics:
Ito, Nobuhiko
Etoh, Takeaki
Hagiwara, Hisahiro
Kato, Michiharu
Oxidation of 3,5,5-trimethylcyclohex-3-en-1-one (1) with molecular oxygen catalyzed by metal phthalocyanines (Pc) and 5,10,15,20-tetraphenylporphyrins (TPP) including Mn(II), Mn(III), Fe(II), Fe(III), Co(II), Cu(II), and Ru(II) to 3,5,5-trimethylcyclohex-2-ene-1,4-dione (2) was studied. TPPMn(III)Cl showed an excellent catalytic activity, affording 2 in 93percent yield and 12500 turnover number.
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