. Advertisement .
..3..
. Advertisement .
..4..
......... ADVERTISEMENT .........
..8..
......... ADVERTISEMENT .........
..8..
......... ADVERTISEMENT .........
..8..
......... ADVERTISEMENT .........
..8..
Question 9.27, 9.30
a. Choose one reagent from the Table to carry out the following conversions.
Use letters from the table to specify reagents.
Reagents
a O3 d 1. Br2 g KMnO4 / H3O+
2. KOH in ethanol
b 1. NaNH2 in NH3 e H2 / Lindlar catalyst h H2O/H2SO4/HgSO4
2. CH3Br
c 1 equiv Br2 f 1. BH3 in THF i Li in NH3
......... ADVERTISEMENT .........
..8..
b. The following synthesis requires more than one step. Specify the reagents you would use to carry it out. Specify reagents using letters from the table, first reagent on the left.
Example: ab
......... ADVERTISEMENT .........
..8..
Reagents
a Br2 e CH2l2/Zn(Cu)/ ether i 1. O3 2. Zn/H3O+
b CH3l f H2/Lindlar catalyst j Li in NH3
c CH3CH2l g H2 over Pd/C k KOH/ethanol
d CH3CH2CH2Br h 1. BH3 in THF l NaNH2/NH3
2. H2O2 in NaOH
The reagents are (in order of use):
......... ADVERTISEMENT .........
..8..
Select reagents from the table to show how you would carry out this synthesis Reagents Available
a: Br2; CH2Cl2 f. Li, NH3(liq)
b: NaNH2, NH3 g. CH2I2, Zn(Cu)
c: CH3CH2Br h. H2, Pd/C
d: H2O, H2SO4, HgSO4 i. BH3 then H2O2
e: H2, Lindlar catalyst j. HCL, ether
(Enter your answer as a series of letters, i.e. jbc, in the order that you wish to use the reagents. Repeat a lette commas or spaces.)
How would you synthesize the following compound from acetylene and reagents in the table? Choose the m
Specify reagents using letters from the table, first reagent on the left.
Example: ab
......... ADVERTISEMENT .........
..8..
♦ Relevant knowledge
In organic chemistry the compounds can be changed into one group functionally different from the next with the help of various reagents, which leads to specific modifications to chemical structure and composition of reactants. These transformations are essential in the transformation of one organic compound to another.
1 Answer