Citation:
Shi Tang, Zhi-yong Wang, Bin Liu, Chun-E. Dong. C2-symmetric BINOL-squaramide as efficient organocatalyst for the enantioselective α-amination of 1,3-dicarbonyl compounds with dialkyl azodicarboxylates[J]. Chinese Chemical Letters,
;2015, 26(6): 744-748.
doi:
10.1016/j.cclet.2015.03.033
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The asymmetric α-amination of 1,3-dicarbonyl compounds with dialkyl azodicarboxylates has been achieved by C2-symmetric BINOL-squaramide bearing multiple hydrogen bond donors to provide the desired products in excellent yields and enantioselectivities (up to 99% yield and 98% ee).
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