Microwave-Based Reaction Screening: Tandem Retro-Diels–Alder/Diels–Alder Cycloadditions of<i>o</i>-Quinol Dimers
作者:Suwei Dong、Katharine J. Cahill、Moon-Il Kang、Nancy H. Colburn、Curtis J. Henrich、Jennifer A. Wilson、John A. Beutler、Richard P. Johnson、John A. Porco
DOI:10.1021/jo201658y
日期:2011.11.4
We have accomplished a parallel screen of cycloaddition partners for o-quinols utilizing a plate-based microwave system. Microwave irradiation improves the efficiency of retro-Diels-Alder/Diels-Alder cascades of o-quinol dimers which generally proceed in a diastereoselective fashion. Computational studies indicate that asynchronous transition states are favored in Diels-Alder cycloadditions of o-quinols. Subsequent biological evaluation of a collection of cycloadducts has identified an inhibitor of activator protein-1 (AP-1), an oncogenic transcription factor.