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Posted: **Wed May 18, 2022 11:59 am**

: 1 Naoet Etoh Br Eto 2 Br Oet Diethyl Malonate 1 T Buok 1 Naoh 2 H30 3 Heat 1 Naoet Etoh Li 2 H3c Oet Br 1 (70 KiB) Viewed 26 times

(1) NaOEt/EtOH Br Eto (2) Br OEt diethyl malonate (1) t-BuOK (1) NaOH (2) H30+ (3) Heat (1) NaOEt/EtOH LI (2) H3C OEt Br ethyl acetoacetate OEt (1) NaOH (2) H30+ (3) Heat Eto -OEt (1) NaOEt/EtOH (1) NaOH OEt (2) H30* CH2 (2) CHI2 (0.5 equv) OET Eto (3) Heat OEt O