Pd-catalyzed asymmetric etherification of 2H-chromenes: enantioselective construction of chiral 4-alkoxy-4H-chromenes

被引:0
|
作者
Wang, Bangzhong [1 ]
Sun, Luyang [2 ]
Zhang, Pengyue [1 ]
Zhang, Shuaibo [1 ]
Zhao, Jinfeng [3 ]
Qu, Jingping [2 ]
Zhou, Yuhan [1 ]
机构
[1] Dalian Univ Technol, Sch Chem Engn, Dept Pharmaceut Engn, State Key Lab Fine Chem, 2 Linggong Rd, Dalian 116024, Peoples R China
[2] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, 2 Linggong Rd, Dalian 116024, Peoples R China
[3] Dalian Univ Technol, Instrumental Anal Ctr, 2 Linggong Rd, Dalian 116024, Peoples R China
基金
中国国家自然科学基金;
关键词
ORGANOCATALYTIC CONJUGATE ADDITION; ORTHO-QUINONE METHIDES; MICHAEL ADDITION; MALONONITRILE; DERIVATIVES; CYCLIZATION; DISCOVERY; 2-AMINO-4H-CHROMENES; 4H-CHROMENES; ALKYLATION;
D O I
10.1039/d5ob00005j
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A new strategy for the construction of a chiral 4-alkoxy-4H-chromene skeleton was reported. A series of chiral 4-alkoxy-4H-chromenes containing the trifluoromethyl group were obtained in good yields (up to 80% yield) and excellent enantioselectivity (up to 93% ee).
引用
收藏
页码:3431 / 3436
页数:6
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