Asymmetric catalytic aza-Morita-Baylis-Hillman reaction using chiral bifunctional phosphine amides as catalysts |
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| Authors: | Ming-Juan Qi Min Shi Guigen Li |
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| Institution: | a State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, 354 Fenglin Lu, Shanghai 200032, PR China
b Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX 79409-1061, USA |
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| Abstract: | The asymmetric catalytic aza-Morita-Baylis-Hillman reaction of N-sulfonated imines with α,β-unsaturated ketones has been successfully conducted by using chiral bifunctional phosphine amides as catalysts. A series of new chiral bifunctional phosphine amides were designed, synthesized, and systematically studied for this asymmetric reaction. The corresponding aza-MBH adducts were obtained in good yields (75-99%) and up to very good enantiomeric excesses (51-95% ee) under mild conditions. |
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