Description
For the following, fill in the blank reagents and products in each question
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2. (10 pts.) Alkyne Multistep Synthesis:
For the following, fill in the missing reagents(using appropriate letter) and products in each multi-step synthesis.
a. H2/ Pt
g. Na/NH3
m. H2SO4, H2O/ HgSO4
t. OsO/NMO
b. HBr 1 eq.
h. 1. 9-BBN 2. H2O2, NaOH n. 03 / H2O
u. H2SO4 dil.
C.
HCl 1 eq.
i. HBr (xs)
0. Brz/ CCl4 1 eq.
v. 1. BH3/THF 2. H2O2/ NaOH
d. Hz / Lindlar Catalyst
j. HCI (xs)
p. Brz/ CCIA 2. eq.
W. 1. CH3CO3H 2. H3O+
e. NaNH2(xs)/H20
k. EtCl
q. NaNH2
X. TsCl/pyridine
f. t-BuOK
1. Mel
r. HBr/ROOR 1 eq.
y 1. Hg(OAc)2/H,0 2. NaBH4
Br
Br
xs NaNH2/H2O
Br
Br
HBC
\ lea
1. NaNH2
2.
НО.
Na/NH3
oooo
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Attached.
Running Head: Multi synthesis of Alkynes
1
Multi Synthesis of Alkynes
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Course
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Multi synthesis of Alkynes
2
The following steps show how the process is carried through.
Step 1:Halogenation:
Reagents X2 ...
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