Abstract
The organozinc-enamines EtZn[RN-CH=CH-N(Et)R] (R =Bu (la), pent (2a), Pr (3a)) react with Et,Al via a transmetallation
reaction to the corresponding organoaluminium-enamines Et,Af[RN-CH=CH-N(Et)Rl (R =Bu (1~1, pent (2~)) and EtzZn.
Prior to the transmetallation reaction initial 1: 1 zinc-enamine-trialkylaluminium adducts are formed. Compounds lc and tc are
thermally unstable and rearrange via a 1,Zalkyl
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