Synthesis of a di-oxygen [18]annulene: A new example of strongly diatropic [18]annulene with a twisted perimeter

doi:10.1016/S0040-4039(00)81599-3

Tetrahedron Letters

Volume 24, Issue 10, 1983, Pages 1045-1048

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Abstract

The synthesis of 1,4:11,14-di-oxa-5,9,17-tri- cis-7,15-di- trans[18]annulene 4, whose periphery is forced to be twisted by two oxygen bridges is described.

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Synthesis of a di-oxygen [18]annulene: A new example of strongly diatropic [18]annulene with a twisted perimeter

Abstract

Tetrahedron Lett.

Aust. J. Chem.

Aust. J. Chem.

Aust. J. Chem.