Intramolecular cyclization strategies toward the synthesis of zoanthamine alkaloids
作者:Derek Fischer、Thong X. Nguyen、Lynnie Trzoss、Marianna Dakanali、Emmanuel A. Theodorakis
DOI:10.1016/j.tetlet.2011.07.054
日期:2011.9
Stabilized 2-amino-1,3-dienes can participate in intramolecular Diels-Alder (IMDA) reactions with pendant dienophiles. We found that these dienes can be readily prepared via standard palladium-mediated coupling reactions and have comparable reactivity to 2-oxodienes. Application of these substrates to the synthesis of tetracyclic model systems representing the ABCE motif of the zoanthamines is presented. (C) 2011 Elsevier Ltd. All rights reserved.