What are the alpha-amino acids (AA1, AA2, AA3) needed to complete the following synthesis? (CH3,COCOCI AA1 CH;OH H* AA2 A+B DCC H* (CH-);COCOCI D AA3 но NH2 C+D DCC N#OH H* O a. AA1=Val, AA2=Ala, AA3=Leu оь. АА1-Val, AA2-Leu, AA3-Ala O c. none of the other answers O d. AA1=Ala, AA2=Val, AA3=Leu O e. AA1=Ala, AA2=Leu, AA3=Val O f. AA1=Leu, AA2=Val, AA3=Ala O g. AA1=Leu, AA2=Ala, AA3=Val IZ

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter26: Biomolecules: Amino Acids, Peptides, And Proteins
Section26.1: Structures Of Amino Acids
Problem 1P: How many of the -amino acids shown in Table 26-1 contain aromatic rings? How many contain sulfur?...
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What are the alpha-amino acids (AA1, AA2, AA3) needed to complete the following synthesis?

 

What are the alpha-amino acids (AA1, AA2, AA3) needed to complete the following synthesis?
(CH)COCOCI
A.
AA1
CHOH
H*
AA2
B
A+ B
DCC
H*
(CH3);COCOCI
D
AA3
но.
NH2
DCC
NaOH
C+D
H*
O a. AA1=Val, AA2=Ala, AA3=Leu
O b. AA1=Val, AA2=Leu, AA3=Ala
O c. none of the other answers
O d. AA1=Ala, AA2=Val, AA3=Leu
O e. AA1=Ala, AA2=Leu, AA3=Val
O f. AA1=Leu, AA2=Val, AA3=Ala
O g. AA1=Leu, AA2=Ala, AA3=Val
Transcribed Image Text:What are the alpha-amino acids (AA1, AA2, AA3) needed to complete the following synthesis? (CH)COCOCI A. AA1 CHOH H* AA2 B A+ B DCC H* (CH3);COCOCI D AA3 но. NH2 DCC NaOH C+D H* O a. AA1=Val, AA2=Ala, AA3=Leu O b. AA1=Val, AA2=Leu, AA3=Ala O c. none of the other answers O d. AA1=Ala, AA2=Val, AA3=Leu O e. AA1=Ala, AA2=Leu, AA3=Val O f. AA1=Leu, AA2=Val, AA3=Ala O g. AA1=Leu, AA2=Ala, AA3=Val
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