
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:Can someone please help me with the curved arrows for this mechanism. Please explain also thank you :)
HO NH2
NH2
Bn H
'N'
H Bn
N.
11
13.
H₂N 'N'
Bn-N
N-Bn
O OH OH OH OH
H₂N
OPG OPG O
2
(-)-zwittermicin A (1)
Bn
Bn
N-NH
H N-N
-N
N-
N
Bn
OPG OPG
Bn
Ν
N'
RO₂C
3
CO₂R
'N'
BnN3
Bn.
CO₂R
PG
diastereoselection?
PG protecting group
Bn
N
CO₂R
Spi
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