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Metal-free annulation of β-acylamino ketones: facile access to spirooxazolines and oxazolines via oxidative C-O bond formation
被引:23
|作者:
Chavan, Santosh S.
[1
]
Rupanawar, Bapurao D.
[1
]
Kamble, Rohit B.
[1
]
Shelke, Anil M.
[1
]
Suryavanshi, Gurunath
[1
]
机构:
[1] CSIR, Chem Engn & Proc Dev Div, Natl Chem Lab, Dr Homi Bhaba Rd, Pune 411008, Maharashtra, India
来源:
ORGANIC CHEMISTRY FRONTIERS
|
2018年
/
5卷
/
04期
关键词:
ONE-POT SYNTHESIS;
DIASTEREOSELECTIVE SYNTHESIS;
CYCLIZATION;
EFFICIENT;
NITRILES;
ESTERS;
CONVERSION;
CHEMISTRY;
CATALYSIS;
ALDEHYDES;
D O I:
10.1039/c7qo00783c
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
A metal-free annulation reaction of beta-acylamino ketone derivatives has been reported for the synthesis of a group of functionalized spirooxazolines and oxazolines in good to excellent yields. The reaction proceeds via phenyliodine(III) diacetate (PIDA)-mediated oxidative C-O bond formation in the presence of BF3-OEt2. The mild reaction conditions, broad substrate scope, simple execution and synthetic potential of the products make this novel protocol very attractive.
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页码:544 / 548
页数:5
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