From the choices provided below, list the reagent(s) in order that will bring ab

Question

From the choices provided below, list the reagent(s) in order that will bring about the following transformation in good yield.

HO OH 2 HO OH 4 HOOC COOH HOOC COOH Reagents a. 2 NaNH2 b. 2 HCHO then HCI C. H2, Pt d. H2, Lindlar's catalyst e. Na, NH3 (liq) g. CH2l2, Zn(Cu) h. RCO3H O then HC Select reagents from the table to carry out each step of this conversion of acetylene into a dioic acid. If more than one reagent is necessary for a particular step,enter the letters in the order that you wish to use the reagents without punctuation (i.e. bc') If the reaction has only three steps, leave step 4 blank.

Explanation / Answer

1 = af

2= d   (H2-Lindalar's catalyst)

3= i   (H2CrO4)

4 = h ( RCO3H)

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