RT Journal Article T1 Tandem Brønsted Acid Promoted and Nazarov Carbocyclizations of Enyneacetals to Hydroazulenones A1 Escalante Escalante, Luz Elizabeth A1 González Rodríguez, Carlos A1 Varela Carrete, Jesús Ángel A1 Saá Rodríguez, Carlos K1 Brönsted-acid K1 Carbocyclizations K1 Enynes K1 Hydroazulenone K1 Nazarov cyclizations AB A new and efficient metal-free entry to hydroazulenones is reported. Enyneacetals were easily converted into hydroazulene skeletons by tandem Brønsted-acidpromoted carbocyclizations followed by stereospecific Nazarov cyclizations. The versatility of this transformation also allowed assembly of interesting heteroaromatic tricyclic systems. PB Wiley SN 1433-7851 YR 2012 FD 2012 LK http://hdl.handle.net/10347/23340 UL http://hdl.handle.net/10347/23340 LA eng NO Escalante, L., González-Rodríguez, C., Varela, J. A., Saá, C. (2012). Tandem Brønsted Acid Promoted and Nazarov Carbocyclizations of Enyneacetals to Hydroazulenones. Angew. Chem. Int. Ed., 51, 49, 12316-12320 NO NOTICE: This is the peer reviewed version of the following article:Escalante, L., González-Rodríguez, C., Varela, J. A., Saá, C. (2012). Tandem Brønsted Acid Promoted and Nazarov Carbocyclizations of Enyneacetals to Hydroazulenones. Angew. Chem. Int. Ed., 51, 49, 12316-12320. [doi: 10.1002/anie.201205823]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for self-archiving. NO We thank the MICINN [Projects CTQ2011-28258, Consolider Ingenio 2010 (CSD2007-00006)] and Xunta de Galicia (2007/XA084 and CN2011/054) for financial support. L. E. thanks Fundayacucho (Venezuela) and Xunta de Galicia for predoctoral grants and C. G.-R. thanks the MICINN for a Juan de la Cierva Contract (JCI-2011-09946) DS Minerva RD 22 abr 2026