Synthesis of 3-Trifluoromethyl-Substituted Benzo[f]chromene Derivatives in a One-Pot Reaction
作者:Hua-Fang Fan、Xiao-Wei Wang、Jing-Wei Zhao、Xin-Jin Li、Jin-Ming Gao、Shi-Zheng Zhu
DOI:10.1080/00397911.2012.748074
日期:2013.11.2
0]undec-7-ene (DBU) and concentrated H2SO4, 2-naphthol reacted smoothly with α,β-unsaturated trifluoromethyl ketones in CH2Cl2 at room temperature, affording the 3-trifluoromethyl-substituted benzo[f]chromene derivatives in good to excellent yields in a one-pot reaction. [Supplementary materials are available for this article. Go to the publisher's online edition of Synthetic Communications® for the following
摘要 在 1,8-二氮杂双环[5.4.0]undec-7-ene (DBU) 和浓 H2SO4 存在下,2-萘酚与 α,β-不饱和三氟甲基酮在 CH2Cl2 中在室温下顺利反应,得到 3-三氟甲基取代的苯并 [f] 色烯衍生物在一锅反应中具有良好至极好的产率。[本文提供补充材料。访问出版商的 Synthetic Communications® 在线版,获取以下免费补充资源:完整的实验和光谱细节]。图形概要