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oleh Secondary amines add to aldehydes and ketones to give enamines. Enamines are formed in a...
CH3 CH2 Secondary amines add to aldehydes and ketones to give enamines. Enamines are formed in...
CH3 CH2 Secondary amines add to aldehydes and ketones to give enamines. Enamines are formed in a reversible, acid-catalyzed proces nucleophilic addition of the secondary amine to the carbonyl group, followed by transfer of the proton to yield a neutral carbinolanine Prosonation of the hydroxyl group converts it into a good leaving group, is no Instead, a proton is lost from the neighboring carbon to form an enamine. p, however there is no hydrogen left on the nitrogen to be...
1. Reductive amination (Carey, Section 22.10) is an important C-N bond forming strategy widely used in...
1. Reductive amination (Carey, Section 22.10) is an important C-N bond forming strategy widely used in the synthesis of biologically active natural product. It's a powerful and reliable strategy that avoids the problem of overalkylation that often accompanies direct alkylation of amines with alkyl halides (Figure 1). secondary amine r tiary amine quemary sa Figure 1: Yields are generally poor as product amines are more nucleophilic and can also react with halide. The result is often a mixture of amines...
____ 1. The diagram below represents serine, a polar, uncharged amino acid. Which functional group gives...
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...
CH3 CH2 Secondary amines add to aldehydes and ketones to give enamines. Enamines are formed in a reversible, acid-catalyzed proces nucleophilic addition of the secondary amine to the carbonyl group, followed by transfer of the proton to yield a neutral carbinolanine Prosonation of the hydroxyl group converts it into a good leaving group, is no Instead, a proton is lost from the neighboring carbon to form an enamine. p, however there is no hydrogen left on the nitrogen to be...
1. Reductive amination (Carey, Section 22.10) is an important C-N bond forming strategy widely used in the synthesis of biologically active natural product. It's a powerful and reliable strategy that avoids the problem of overalkylation that often accompanies direct alkylation of amines with alkyl halides (Figure 1). secondary amine r tiary amine quemary sa Figure 1: Yields are generally poor as product amines are more nucleophilic and can also react with halide. The result is often a mixture of amines...
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...
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