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In each reaction box, place the best reagent and conditions from the list below.
In each reaction box, place the best reagent and conditions from the list below. In each reaction box, place the best reagent and conditions from the list below. In each reaction box, place the best reagent and conditions from the list below.
In each reaction box, place the best reagent and conditions from the list below In each reaction box, place the best reagent and conditions from the list below. Br2 H2O, H2SO4(cat.) H202, NaOH, H2O PBr3 BH3/THF H2, Lindlar's catalyst CH3CH2OH CH3COO- NaNH2 (excess) H2, Pt
In each reaction box, place the best reagent and conditions from the list below. In each reaction box, place the best reagent and conditions from the list below. You are correct that the third step is a reduction of 2-pentyne. But H2 with a platinum catalyst will reduce it to pentane, while you need an alkene for the next step. NaNH H3C OH HO 2) CH3CH2Br CEC H3C CH3. H3C H2, Pt HO 4) KMno 4, NaOH, H20, cold BH3...
In each reaction box, place the best reagent and conditions from the list below. A reagent may be used more than once.) Alkylating with ethyl bromide in steps 2 and 4 will lengthen the alkyne by two carbons at both ends but will not introduce the primary alcohol functional group.
In each reaction box, place the best reagent and conditions from the list below (A reagent may be used more than once.)
In each reaction box, place the best reagent and conditions from the list below. (A reagent may be used more than once.)
In each reaction box, place the best reagent and conditions from the list below. A reagent may be used more than once.) Each end of the alkyne chain must be lengthened by two carbon atoms. Propyl bromide in step 2 would add three carbons to one end. 1) 2) CHsCH-CH-Br NaNH2 он NaNH2 3) 4) 5) H3O CH3CH2Br CH3Br CH3CH2CH2Br BH3/THF NaOH NaBH4 H2, Lindlar catalyst H3O H202/NaOH CH3CH2CH2CH2Br NaNH2
In each reaction box, place the best reagent and conditions from the list below.
In each reaction box, place the best reagent and conditions from the list below.
In each reaction box, place the best reagent and conditions from the list below.