Total syntheses of oxygenated brazanquinones via regioselective homologous anionic Fries rearrangement of benzylic O-carbamates

Glaucia Barbosa Candido Alves Slana; Mariângela Soares de Azevedo; Rosângela Sabattini Capella Lopes; Cláudio Cerqueira Lopes; Jari Nobrega Cardoso

doi:10.1186/1860-5397-2-1

Beilstein Journal of Organic Chemistry (Feb 2006)

Total syntheses of oxygenated brazanquinones via regioselective homologous anionic Fries rearrangement of benzylic O-carbamates

Glaucia Barbosa Candido Alves Slana,
Mariângela Soares de Azevedo,
Rosângela Sabattini Capella Lopes,
Cláudio Cerqueira Lopes,
Jari Nobrega Cardoso

Affiliations

Glaucia Barbosa Candido Alves Slana: Instituto de Química, Universidade Federal do Rio de Janeiro, CT, Bl A/508, 21949-900 Rio de Janeiro – RJ, Brazil
Mariângela Soares de Azevedo: Instituto de Química, Universidade Federal do Rio de Janeiro, CT, Bl A/508, 21949-900 Rio de Janeiro – RJ, Brazil
Rosângela Sabattini Capella Lopes: Instituto de Química, Universidade Federal do Rio de Janeiro, CT, Bl A/508, 21949-900 Rio de Janeiro – RJ, Brazil
Cláudio Cerqueira Lopes: Instituto de Química, Universidade Federal do Rio de Janeiro, CT, Bl A/508, 21949-900 Rio de Janeiro – RJ, Brazil
Jari Nobrega Cardoso: Instituto de Química, Universidade Federal do Rio de Janeiro, CT, Bl A/508, 21949-900 Rio de Janeiro – RJ, Brazil

DOI: https://doi.org/10.1186/1860-5397-2-1
Journal volume & issue: Vol. 2, no. 1
p. 1

Abstract

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Using new variations of anionic aromatic chemistry, the total synthesis of oxygenated brazanquinones (1a-1c), derived from β-brasan, a natural product isolated from Caesalpina echinata, via carbamates 2a-2c is described.

Published in Beilstein Journal of Organic Chemistry

ISSN: 1860-5397 (Online)
Publisher: Beilstein-Institut
Country of publisher: Germany
LCC subjects: Science: Chemistry: Organic chemistry
Website: http://www.beilstein-journals.org/bjoc

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