What does heat do?
7. How did the
methyl end up in the product?Homework Answers
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What does heat do?
7. How did the
methyl end up in the product?
8. why...
For the nitration of methyl benzoate: a. Which product did you get? What evidence do you...
For the nitration of methyl benzoate:
a. Which product did you get? What evidence do you have for
this?
b. Was your product pure? What evidence do you have for this?
Explain your evidence.
c. Draw the mechanism for the product you got.
For the bromination of acetanilide:
a. Which product did you get? What evidence do you have for
this?
b. Was your product pure? What evidence do you have for this?
Explain your evidence.
c. Draw the mechanism...
1. What is an ylide? How does it behave? 2. A pheromone of the female housefly...
1. What is an ylide? How does it behave? 2. A pheromone of the female housefly is called muscalure. Look up the structure of muscalure and devise its synthesis using the Wittig reaction. 3. What side products are generated during this reaction? (trans-cinnamaldehyde + benzyltriphenylphosphonium -> 1,4-diohenyl-1,3butadiene) During your analysis of the filtrate, how many of these did you observe on the TLC plate? (2 spots observe) 4. What is the geometry about the double bond for the major product...
24. How does insulin end up with 2 separate chains when it is produced as one sequence o amino acids. (4 points) 25.What is the difference between the hydrogen bonding which holds the secondary p...
24. How does insulin end up with 2 separate chains when it is produced as one sequence o amino acids. (4 points) 25.What is the difference between the hydrogen bonding which holds the secondary protein structures of and alpha helix and a beta pleated sheet together and the hydrogen bonding that holds the tertiary structure together? (4 points) 26. List the 6 classes of enzymes and describe what types of reactions they catalyze. (3 points per class of enzymes, 18...
the weight if the initial product was 3.4 grams of methyl benzoate. Who |o yald foR 3.91SSg st prodoc...
the
weight if the initial product was 3.4 grams of methyl
benzoate.
Who |o yald foR 3.91SSg st prodoct nd product 2.14143 EXPERIMENTAL PROCEDURE SAFETY WEAR nitrile gloves for this experiment. The nitrating moture of sulfuric acidnitric acid (1:1) is a very strong acid system. Do not allow it to come in contact with your skin or clothing. It will cause acid burns if it comes in contact with your skin (and holes an your clothes). Wash any affected area...
Communication system 7- What is the main function of the analog front end (why it is needed and what does it do)? 8- What are the main channel effects? 9- What is the reason for exitance of noise and...
Communication system
7- What is the main function of the analog front end (why it is needed and what does it do)? 8- What are the main channel effects? 9- What is the reason for exitance of noise and where exactly it happens physically in the system? 10- Draw a block diagram that represents the channel effect. 11- Write an the expression of the received signal, y(t), given that the transmitted signal is x(t), the channel effect is h(t) and...
Thumbs up for good answer. Why does the liquid in the round bottom flask turn light...
Thumbs up for good answer. Why does the liquid in the round
bottom flask turn light pink?, please explain (This happened
during/after step 2). This is the procedure and the experiment is
called Synthesis of Artificial Flavorings by Fischer
Esterification.
Thank you!
SAMPLE PROCEDURES: 1. Isoanvl acetate (banana) + H2O OH HO 1. Mix 6 mL of isoamyl alcohol (0.809 g/mL, 88.148 g/mol) and 10 ml ofglacial acetic acid (1.05 g/ml 60.05 g/mol) in a 100 mL round bottom flask....
why do I use dried hexane? what does it do? Keywords: phosphorus-chlorine bond; organophosphin Techniques: various...
why do I use dried hexane? what does it do?
Keywords: phosphorus-chlorine bond; organophosphin Techniques: various techniques are summarized in the Technique Tips section of the ure to read through the relevant ones before starting t be found in the appendices on the course website web site. Be the experiment. Useful information can also Phosphorus has the common oxidation states of III and V and it is known to form an extensive rang of organic compounds in both oxidation states....
What is the theoretical yield (in grams) and percent yield of your triphenylmethanol product in this...
What is the theoretical yield (in grams) and percent yield of your
triphenylmethanol product in this experiment? (Weight of
triphenylmethanol: 0.060g)
BACKGROUND AND THEORY The Grignard reaction was one of the first organometallic reactions discovered and is still one of the most useful synthetically. By reacting an organohalide (usually a bromide) with magnesium in ethereal solvent, carbon becomes a nucleophile. Grignard reagents are the starting points for the syntheses of many alkanes, primary, secondary, and tertiary alcohols, alkenes, and carboxylic...
PREPARATION OF PHARMACEUTICALS - Fischer Esterification Reactions Q: Calculate the expected mass of both methyl salicylate and aspirin assuming 100% yield. EXPERIMENT7 PREPARATION OF PHARMACEUTICALS...
PREPARATION OF PHARMACEUTICALS - Fischer Esterification
Reactions
Q: Calculate the expected mass of both methyl salicylate and
aspirin assuming 100% yield.
EXPERIMENT7 PREPARATION OF PHARMACEUTICALS Fischer Esterification Reactions Almost 2500 years ago, physicians such as Hippocrates recommended that patients chew on the bark of the willow to alleviate pain. The active ingredient in willow bark was found to be salicin, a compound made of a molecule of salicyl alcohol bonded to a p-D-glucose molecule. In the stomach, the bond between...
PROCEDURE CAUTION!!! Nitric acid and sulfuric acid are strong and corrosive acids. For that reason, avoid...
PROCEDURE CAUTION!!! Nitric acid and sulfuric acid are strong and corrosive acids. For that reason, avoid inhaling its vapors or causing any contact with the skin or clothing. Wear your protective glasses at all times. Use the extractors to work with these acids. A. Nitration of methyl benzoate 1. Preparation of the reactants. In the extractor you will find a burette with concentrated sulfuric acid, a second burette with concentrated nitric acid, clearly identified. Familiarize yourself with the scales of...
For the nitration of methyl benzoate:
a. Which product did you get? What evidence do you have for
this?
b. Was your product pure? What evidence do you have for this?
Explain your evidence.
c. Draw the mechanism for the product you got.
For the bromination of acetanilide:
a. Which product did you get? What evidence do you have for
this?
b. Was your product pure? What evidence do you have for this?
Explain your evidence.
c. Draw the mechanism...
24. How does insulin end up with 2 separate chains when it is produced as one sequence o amino acids. (4 points) 25.What is the difference between the hydrogen bonding which holds the secondary protein structures of and alpha helix and a beta pleated sheet together and the hydrogen bonding that holds the tertiary structure together? (4 points) 26. List the 6 classes of enzymes and describe what types of reactions they catalyze. (3 points per class of enzymes, 18...
the
weight if the initial product was 3.4 grams of methyl
benzoate.
Who |o yald foR 3.91SSg st prodoct nd product 2.14143 EXPERIMENTAL PROCEDURE SAFETY WEAR nitrile gloves for this experiment. The nitrating moture of sulfuric acidnitric acid (1:1) is a very strong acid system. Do not allow it to come in contact with your skin or clothing. It will cause acid burns if it comes in contact with your skin (and holes an your clothes). Wash any affected area...
Communication system
7- What is the main function of the analog front end (why it is needed and what does it do)? 8- What are the main channel effects? 9- What is the reason for exitance of noise and where exactly it happens physically in the system? 10- Draw a block diagram that represents the channel effect. 11- Write an the expression of the received signal, y(t), given that the transmitted signal is x(t), the channel effect is h(t) and...
Thumbs up for good answer. Why does the liquid in the round
bottom flask turn light pink?, please explain (This happened
during/after step 2). This is the procedure and the experiment is
called Synthesis of Artificial Flavorings by Fischer
Esterification.
Thank you!
SAMPLE PROCEDURES: 1. Isoanvl acetate (banana) + H2O OH HO 1. Mix 6 mL of isoamyl alcohol (0.809 g/mL, 88.148 g/mol) and 10 ml ofglacial acetic acid (1.05 g/ml 60.05 g/mol) in a 100 mL round bottom flask....
why do I use dried hexane? what does it do?
Keywords: phosphorus-chlorine bond; organophosphin Techniques: various techniques are summarized in the Technique Tips section of the ure to read through the relevant ones before starting t be found in the appendices on the course website web site. Be the experiment. Useful information can also Phosphorus has the common oxidation states of III and V and it is known to form an extensive rang of organic compounds in both oxidation states....
What is the theoretical yield (in grams) and percent yield of your
triphenylmethanol product in this experiment? (Weight of
triphenylmethanol: 0.060g)
BACKGROUND AND THEORY The Grignard reaction was one of the first organometallic reactions discovered and is still one of the most useful synthetically. By reacting an organohalide (usually a bromide) with magnesium in ethereal solvent, carbon becomes a nucleophile. Grignard reagents are the starting points for the syntheses of many alkanes, primary, secondary, and tertiary alcohols, alkenes, and carboxylic...
PREPARATION OF PHARMACEUTICALS - Fischer Esterification
Reactions
Q: Calculate the expected mass of both methyl salicylate and
aspirin assuming 100% yield.
EXPERIMENT7 PREPARATION OF PHARMACEUTICALS Fischer Esterification Reactions Almost 2500 years ago, physicians such as Hippocrates recommended that patients chew on the bark of the willow to alleviate pain. The active ingredient in willow bark was found to be salicin, a compound made of a molecule of salicyl alcohol bonded to a p-D-glucose molecule. In the stomach, the bond between...
PROCEDURE CAUTION!!! Nitric acid and sulfuric acid are strong and corrosive acids. For that reason, avoid inhaling its vapors or causing any contact with the skin or clothing. Wear your protective glasses at all times. Use the extractors to work with these acids. A. Nitration of methyl benzoate 1. Preparation of the reactants. In the extractor you will find a burette with concentrated sulfuric acid, a second burette with concentrated nitric acid, clearly identified. Familiarize yourself with the scales of...
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