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Gekata [30.6K]
2 years ago
15

Draw two amino acids connected via a dehydration synthesis reaction.

Medicine
1 answer:
sergejj [24]2 years ago
6 0

Answer:

Conversion of alcohols to alkenes: R-CH2-CHOH-R → R-CH=CH-R + H2O

Conversion of carboxylic acids to acid anhydrides 2 RCO2H → (RCO)2O + H2O

Explanation:

Dehydration

In chemistry, a dehydration reaction is one that involves the loss of water. In organic synthesis, where an acid is often used as a catalyst, there are numerous examples of dehydration reactions: Conversion of alcohols to ethers: 2 R-OH → R-O-R + H2O Conversion of alcohols to alkenes: R-CH2-CHOH-R → R-CH=CH-R + H2O Conversion of carboxylic acids to acid anhydrides 2 RCO2H → (RCO)2O + H2O Conversion of amides to nitriles: RCONH2 → R-CN + H2O

Sources:

Klein Organic Chemistry. 2th edition

Mcmurry's Organic Chemistry. 9th edition.

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8 0
2 years ago
The [α] of pure quinine, an antimalarial drug, is −165. If a solution contains 69% quinine and 31% of its enantiomer (ee = 38%),
Elis [28]

Answer: The required [a] for slotion will be -62.7

Explanation:

The specific rotation of pure quinine= -165

% of pure quinine= 69%

% of its enantiomer=ee=31%

Enantiomer excess =(ee)=excess of a single enantiomer/entire mixture×100

Now,

Excess of a single enantiomer=69% - 31%=38%

Entire mixture=69% + 31%= 100%

(ee)=38/100 × 100

=38%

Net rotation= 0.69-0.31=0.38

Hence, [a] for solution will be = -0.38×165= -62.7

7 0
3 years ago
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Darina [25.2K]

Answer:

I would say Option B

Explanation:

A controlled experiment is where you have two or more independent variables, that way you have an experiment to compare results with.

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