Diastereoselective formal [3 + 3] cycloaddition of isatin-based α-(trifluoromethyl)imines with N,N′-dialkyloxyureas

Literature Information

Publication Date 2019-10-21
DOI 10.1039/C9QO01181A
Impact Factor 5.281
Authors

Hong-Wu Zhao, Jia-Ming Guo, Li-Ru Wang, Wan-Qiu Ding, Zhe Tang, Xiu-Qing Song, Hui-Hui Wu, Xiao-Zu Fan, Xiao-Fan Bi


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Abstract

In the presence of PhI(OH)(OTs) and NaH, the diastereoselective formal [3 + 3] cycloaddition of isatin-based α-(trifluoromethyl)imines with N,N′-dialkyloxyureas proceeded readily, and furnished the relatively trans-configured novel spiro-1,3,5-triazinan-2-ones in reasonable chemical yields. The relative stereochemical configuration of the target products was clearly identified by X-ray diffraction analysis.

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DOI: 10.1039/D0CP90065F

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DOI: 10.1039/D0CP90064H

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