The chiral Rh I –diene‐catalyzed asymmetric three‐component reaction of aryldiazoacetates, aromatic amines, and β‐nitroacrylates was achieved to obtain γ‐nitro‐α‐amino‐succinates in good yields and with high diastereo‐ and enantioselectivity. This reaction is proposed to proceed through the enantioselective trapping of Rh I ‐associated ammonium ylides by nitroacrylates. This new transformation represents the first example of Rh I ‐carbene‐induced ylide transformation.
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Ma et al. (2014) studied this question.
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