Acid-catalyzed Rearrangement of 2-Substituted and 2,4-Disubstituted 8H-3-oxaheptalen-8-ones to 1-Acyl-6-hydroxyazulenes

DOI: 10.1016/S0040-4039(00)79022-8

Source and publish data:

Tetrahedron Letters p. 6487 - 6490 (1992)

Update date:2022-08-02

Topics:

Authors:

Nakazawa, Tomoo

Ishihara, Mariko

Jinguji, Mamoru

Yamaguchi, Masakazu

Sugihara, Yoshikazu

Murata, Ichiro

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Article abstract of DOI:10.1016/S0040-4039(00)79022-8

It was found that in trifluoroacetic acid, 2-methyl-8H-3-oxaheptalen-8-one was transformed into 2-hydroxy-3-methyl-7H-benzocyclohepten-7-one and 1-formyl-6-hydroxy-2-methylazulene, whereas 2,4-dimethyl-8H-3-oxaheptalen-8-one was under the same conditions

Full text of DOI:10.1016/S0040-4039(00)79022-8

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