- Asymmetric organocatalytic double-conjugate addition of malononitrile to dienones: efficient synthesis of optically active cyclohexanones.
Asymmetric organocatalytic double-conjugate addition of malononitrile to dienones: efficient synthesis of optically active cyclohexanones.
Organic letters (2010-12-30)
Xue-ming Li, Bo Wang, Jun-min Zhang, Ming Yan
PMID21188969
ABSTRACT
9-Amino-9-deoxyepiquinine efficiently catalyzed the double-conjugate addition of malononitrile to dienones. A number of 1,1,2,6-tetrasubstituted cyclohexanones were prepared in good yields, diastereoselectivities, and excellent enantioselectivities.
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