Synthesis of 9-ethoxycarbonyl-10(10aH)-oxo-5,6,7,8,8a,9-hexahydro-9,10a- anthracenecarbolactone and related compounds by manganese(III) mediated cyclization

DOI: 10.3987/COM-99-8697

Source and publish data:

Heterocycles p. 2557 - 2560 (1999)

Update date:2022-08-10

Topics:

Authors:

Ohta, Shunsaku

Kajiura, Takahiro

Murai, Hiromichi

Yamashita, Masayuki

Kawasaki, Ikuo

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Article abstract of DOI:10.3987/COM-99-8697

Novel tetracyclic lactone (5a), 9-ethoxycarbonyl-10(10aH)-oxo- 5,6,7,8,8a,9-hexahydro-9,10a-anthracenecarbolactone, was obtained in 34.8% yield by oxidative cyclization of diethyl trans-2-benzoylcyclohexylmalonate (4a) with manganese(III) acetate dihydrate in the presence of sodium acetate in acetic acid.

Full text of DOI:10.3987/COM-99-8697

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