Homework Answers
based on the 4 different atoms are attached to the central atom it is chiral center and configuration is obtained as follows
based on the alkyl groups and long chain carbons the ether iupac name is as follows
ring flip will gives correct orientation is as
follows
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carton 2 in the following molecule 20. What are the configurations around the Carbon 2 CON=s...
20 wat are the configurations anound Carnon and Carbon 2 in the ioliowing moi Carbon 2...
20 wat are the configurations anound Carnon and Carbon 2 in the ioliowing moi Carbon 2 Br Carbon 1 a. Carbon 1 has an S configuration, and Carbon 2 has an S configuration. b. Only Carbon 2 is chiral, and it has an S configuration. c. Carbon I has an S configuration, and Carbon 2 has an R configuration d. Carbon 1 has an R configuration, and Carbon 2 has an S configuration Carbon has an R configuration, and Carbon...
3. 14 points: Consider the two molecules below: Molecule A Molecule B CH(CH3)2 CH(CH3)2 1 CH...
3. 14 points: Consider the two molecules below: Molecule A Molecule B CH(CH3)2 CH(CH3)2 1 CH I ICH₃ 27 [ 2 CH3 a. Molecules A and B both have three chiral carbons (labeled 1, 2, and 3). How many unique stereoisomers does 1-isopropyl-2,3-dimethylcyclohexane have? b. Molecules A and B are pairs. C. Determine the configuration (R or S) of chiral carbons 1, 2, and 3 for both molecules. Chiral Carbon Molecule A Molecule B d. Draw the two 'chair' conformers...
4.) Cyclic ethers can be named in the IUPAC system using specific IUPAC names for each...
4.) Cyclic ethers can be named in the IUPAC system using
specific IUPAC names for each ring size (oxirane, oxetane, oxolane
and oxane for the first 4 cyclic ethers) or they can be named using
the epoxy designation to the root name. An additional IUPAC method
uses oxa to designate that a carbon in a cycloalkane has been
replaced with oxygen. Using the oxacycloalkane naming method,
select the correct IUPAC name for the following molecule:
3.) An acceptable IUPAC name...
Quiz 1. Biochemtry. 8-31-2015 Last Name First Name 1. Which of the following describes human being...
Quiz 1. Biochemtry. 8-31-2015 Last Name First Name 1. Which of the following describes human being correctly. a. A bacteria b. An archaea C. An eucaryote d. A chemheterotroph e. A photoheterotroph f. A photoautotroph & Achemautotroph 2. Which of the following carbon is a chiral center HH но a b c он A: a,b,c Biac cb D. None 3. What is the configuration of compounds A and B HN COOK HẠN GDCH A A & B are the same...
2. (10 points) For the following molecule: Cl Cl (a) Provide the IUPAC name for the...
2. (10 points) For the following molecule: Cl Cl (a) Provide the IUPAC name for the above molecule. On the above structure, assign the configuration of each chiral center using CIP notation. (b) Draw the Newman projection looking down the C2-C3 bond. What is the dihedral angle between the two chlorine atoms? (c) Draw the Newman projection looking down the C2-C3 bond of the conformer that is most unstable. Indicate whether there is a molecular dipole moment for this conformer...
4. Draw the most stable and most unstable Newman Projection for the following molecules using the...
4. Draw the most stable and most unstable Newman Projection for the following molecules using the rotation around the C3-C4 bond (use the IUPAC rules to number the chain) 5. Draw the two chair conformations for each of the following cyclohexane derivatives and then choose the conformation that is the most stable. Br BA 3 3 3 $ 2879 So ya 6. For the following compounds, identify the chiral carbons with an asterisk (*) and for those that are not...
Circle all the molecules that have an internal plane of symmetry. Note: rotation around a C-C...
Circle all the molecules that have an internal plane of symmetry. Note: rotation around a C-C bond may be required to see a plane of symmetry (0.4 pts) HCI OH OH H Quinox is a P-stereogenic bisphosphine ligand. Determine the (RS) configurations of the phosphorus atoms, draw the mirror image of the compound, and label the compound as chiral or achiral. (0.5 pts) Chiral or Achiral? If one of the two chiral centers in a molecule has the R-configuration and...
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C....
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C. R and R R and S S and S D. S and R 30 Give the configurations, reypectively, of the folowing two molecules H CH CHy A. B. C. R and R R and S Sand S D. S and R Which one of the following groups has the highest rank as assigned by the Cahn- Ingold-Prelog system for stereogenic (chiral) carbons?...
1. For each pair, circle the molecule with the lower pK and provide a brief explanation...
1. For each pair, circle the molecule with the lower pK and provide a brief explanation for your choice. wale wabon ---- 2. For each molecule, draw the two possible chair conformers and circle the preferred conformer. a) cis-1,3-dimethylcyclohexane trans-1,4-dimethylcyclohexane 3. Draw all distinct isomers of dimethylcyclopropane and show the relationship as enantiomer, diastereomer or meso. 4. In each of the following pairs of compounds one is chiral and the other achiral, Circle the chiral compound in each. a) CH,CHCH=CH...
utions that must be specified suflex that must be added? How b ed? How many carton...
utions that must be specified suflex that must be added? How b ed? How many carton chain? Where should the numbering of that groups are present and now are those name the ante stereochemical configurations that must be substitut e Solve The highest priority functional group in suffix is oic acid and numbering begins at the Molecule functional groups present are NH, and o c h CarbonCO as substituents and receive the prefixes amine which he other The prefix carbamoyl...
20 wat are the configurations anound Carnon and Carbon 2 in the ioliowing moi Carbon 2 Br Carbon 1 a. Carbon 1 has an S configuration, and Carbon 2 has an S configuration. b. Only Carbon 2 is chiral, and it has an S configuration. c. Carbon I has an S configuration, and Carbon 2 has an R configuration d. Carbon 1 has an R configuration, and Carbon 2 has an S configuration Carbon has an R configuration, and Carbon...
3. 14 points: Consider the two molecules below: Molecule A Molecule B CH(CH3)2 CH(CH3)2 1 CH I ICH₃ 27 [ 2 CH3 a. Molecules A and B both have three chiral carbons (labeled 1, 2, and 3). How many unique stereoisomers does 1-isopropyl-2,3-dimethylcyclohexane have? b. Molecules A and B are pairs. C. Determine the configuration (R or S) of chiral carbons 1, 2, and 3 for both molecules. Chiral Carbon Molecule A Molecule B d. Draw the two 'chair' conformers...
4.) Cyclic ethers can be named in the IUPAC system using
specific IUPAC names for each ring size (oxirane, oxetane, oxolane
and oxane for the first 4 cyclic ethers) or they can be named using
the epoxy designation to the root name. An additional IUPAC method
uses oxa to designate that a carbon in a cycloalkane has been
replaced with oxygen. Using the oxacycloalkane naming method,
select the correct IUPAC name for the following molecule:
3.) An acceptable IUPAC name...
Quiz 1. Biochemtry. 8-31-2015 Last Name First Name 1. Which of the following describes human being correctly. a. A bacteria b. An archaea C. An eucaryote d. A chemheterotroph e. A photoheterotroph f. A photoautotroph & Achemautotroph 2. Which of the following carbon is a chiral center HH но a b c он A: a,b,c Biac cb D. None 3. What is the configuration of compounds A and B HN COOK HẠN GDCH A A & B are the same...
2. (10 points) For the following molecule: Cl Cl (a) Provide the IUPAC name for the above molecule. On the above structure, assign the configuration of each chiral center using CIP notation. (b) Draw the Newman projection looking down the C2-C3 bond. What is the dihedral angle between the two chlorine atoms? (c) Draw the Newman projection looking down the C2-C3 bond of the conformer that is most unstable. Indicate whether there is a molecular dipole moment for this conformer...
4. Draw the most stable and most unstable Newman Projection for the following molecules using the rotation around the C3-C4 bond (use the IUPAC rules to number the chain) 5. Draw the two chair conformations for each of the following cyclohexane derivatives and then choose the conformation that is the most stable. Br BA 3 3 3 $ 2879 So ya 6. For the following compounds, identify the chiral carbons with an asterisk (*) and for those that are not...
Circle all the molecules that have an internal plane of symmetry. Note: rotation around a C-C bond may be required to see a plane of symmetry (0.4 pts) HCI OH OH H Quinox is a P-stereogenic bisphosphine ligand. Determine the (RS) configurations of the phosphorus atoms, draw the mirror image of the compound, and label the compound as chiral or achiral. (0.5 pts) Chiral or Achiral? If one of the two chiral centers in a molecule has the R-configuration and...
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C. R and R R and S S and S D. S and R 30 Give the configurations, reypectively, of the folowing two molecules H CH CHy A. B. C. R and R R and S Sand S D. S and R Which one of the following groups has the highest rank as assigned by the Cahn- Ingold-Prelog system for stereogenic (chiral) carbons?...
1. For each pair, circle the molecule with the lower pK and provide a brief explanation for your choice. wale wabon ---- 2. For each molecule, draw the two possible chair conformers and circle the preferred conformer. a) cis-1,3-dimethylcyclohexane trans-1,4-dimethylcyclohexane 3. Draw all distinct isomers of dimethylcyclopropane and show the relationship as enantiomer, diastereomer or meso. 4. In each of the following pairs of compounds one is chiral and the other achiral, Circle the chiral compound in each. a) CH,CHCH=CH...
utions that must be specified suflex that must be added? How b ed? How many carton chain? Where should the numbering of that groups are present and now are those name the ante stereochemical configurations that must be substitut e Solve The highest priority functional group in suffix is oic acid and numbering begins at the Molecule functional groups present are NH, and o c h CarbonCO as substituents and receive the prefixes amine which he other The prefix carbamoyl...
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