问一些化学问题3（英文的）The transformation shown below can be accomplished in TWO reaction steps.From the following list,select the two reagents (or sets of reagents) which would most effectively bring about this conversion.Reagents:1.Co

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问一些化学问题3（英文的）The transformation shown below can be accomplished in TWO reaction steps.From the following list,select the two reagents (or sets of reagents) which would most effectively bring about this conversion.Reagents:1.Co

问一些化学问题3（英文的）The transformation shown below can be accomplished in TWO reaction steps.From the following list,select the two reagents (or sets of reagents) which would most effectively bring about this conversion.Reagents:1.Co
问一些化学问题3（英文的）
The transformation shown below can be accomplished in TWO reaction steps.From the following list,select the two reagents (or sets of reagents) which would most effectively bring about this conversion.Reagents:
1.Conc H2SO4/heat
2.CN-
3.KMnO4
4.(i) CH3MgI (ii) H3O+
5.PBr3
6.(i) BH3 (ii) H2O2
7.CH3CH2O-/CH3CH2OH
8.H2O/H+
9.OH-/H2O
10.(i) O3 (ii) Zn
11.NaBH4
12.HCl
13.KI
14.Na
15.CH3CH2Br
Please enter the reagent number (from the above list) for each of the two steps in the following synthesis:
Step 1:
Step 2:

问一些化学问题3（英文的）The transformation shown below can be accomplished in TWO reaction steps.From the following list,select the two reagents (or sets of reagents) which would most effectively bring about this conversion.Reagents:1.Co
先用11：NaBH4还原成丙醇；
然后用1：浓H2SO4加热消去（脱水）成为丙烯

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