Synthesis of Flavanones via Palladium(II)-Catalyzed One-Pot β-Arylation of Chromanones with Arylboronic Acids
作者:Hyung-Seok Yoo、Seung Hwan Son、Yang Yil Cho、Soo Jin Lee、Hyu Jeong Jang、Young Min Kim、Dong Hwan Kim、Nam Yong Kim、Boyoung Y. Park、Yong Sup Lee、Nam-Jung Kim
DOI:10.1021/acs.joc.9b01162
日期:2019.8.16
total of 47 flavanones were expediently synthesized via one-pot β-arylation of chromanones, a class of simple ketones possessing chemically unactivated β sites, with arylboronic acids via tandem palladium(II) catalysis. This reaction provides a novel route to various flavanones, including natural products such as naringenin trimethyl ether, in yields up to 92%.
合宜地通过一锅二价的苯并二氢吡喃酮与芳基硼酸通过串联钯(II)催化合成了苯并二氢吡喃酮(一类具有化学未活化β位点的简单酮),合成了47种黄烷酮。该反应提供了一种以高达92%的收率获得各种黄烷酮(包括天然产物,如柚皮苷三甲醚)的新颖途径。