Synthesis, characterization, and investigations of antimicrobial activity of 6,6-dimethyl-3-aryl-3′,4′,6,7-tetrahydro-1′<i>H</i>,3<i>H</i>-spiro[benzofuran-2,2′-naphthalene]-1′,4(5<i>H</i>)-dione
作者:Dursun Ergüntürk、Meliha Burcu Gürdere、Yakup Budak、Mustafa Ceylan
DOI:10.1080/00397911.2017.1334918
日期:2017.8.18
were synthesized from the addition of different benzaldehyde derivatives (2a–l) to 1,2,3,4-tetrahydro-1-napthalone (1) in basic medium. Mn(OAc)3-mediated addition of dimedone (4) to chalcone-like compounds gave the spirobenzofuran derivatives (5a-l), 6,6-dimethyl-3-aryl-3′,4′,6,7-tetrahydro-1′H,3H-spiro[benzofuran-2,2′-naphthalene]-1′,4 (5H)-dione, in good yields. The structures of synthesized compounds
摘要 类查耳酮化合物 3a-l, 2-(benzylidene)-3,4-dihydronaphthalen-1(2H)-one, 是通过将不同的苯甲醛衍生物 (2a-l) 添加到 1,2,3,4 合成的-四氢-1-萘酮 (1) 在碱性介质中。Mn(OAc)3 介导的二甲酮 (4) 与查耳酮类化合物的加成得到螺苯并呋喃衍生物 (5a-l)、6,6-二甲基-3-芳基-3',4',6,7-四氢- 1'H,3H-螺[苯并呋喃-2,2'-萘]-1',4 (5H)-二酮,收率良好。基于光谱数据(NMR、IR)和元素分析阐明了合成化合物5a-l的结构。此外,还筛选了它们对一些人类病原微生物的抗菌活性。图形概要