When diethyl succinate (1) is treated with NaOEt in EtOH, the major product is diethyl 2,5-dioxocyclohexane-1,4-dicarboxylate (2) after a mild acidic workup. Select the best detailed, step-wise, arrow-pushing mechanism for the formation of 2 from 1. 1.) NaOEt, E1OH EtO 2.) H,0 OEt EtO, EtO, (2 equiv) .. a.) : OEt O: OEt EtO EIO EtO EtO H. EtO. EtO. EtO, E1O. EtO. OEt EIO EtO EIO 2 EtO EtO, OEt t EIO, OEt OE! :0: O .. OEL b.) :O: 0: OEt E10 EIO E1O EtO EtO Et EtO, EtO. EtO EtO Ot EtO EtO EtO H. OEt EtO. LOET EIO. OEt EIO EtO :o: OE c.) O .. COEt O: OEt EtO EIO E1O EtO H. EIO EtO. EtO. EtO H. OEt :O: H. : :OE 1.

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Organometallic Compounds of s- and p- block elements

Organometallic compounds have a minimum of one bond between a metal compound and a carbon atom. Metalloid elements such as silicon, tin, and boron form organometallic compounds which can be utilized in a few commercial chemical reactions.