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Chiral centers Procedure: Construct a model* in which a tetrahedral (sp 3) carbon atom (black) has...
1. Construct a model consisting of a tetrahedral carbon center with four different component atoms attached:...
1. Construct a model consisting of a tetrahedral carbon center with four different component atoms attached: red, white, blue, green; each color represents a different group or atom attached to carbon. Does this model have a plane of symmetry (1a)? A plane of symmetry can be described as a cutting plane-a plane that when passed through a model or object divides it into two equivalent halves; the elements on one side of the plane are the exact reflection of the...
Construct a model with four different groups(black,yellow,red, and green) attached to the central atom(black), set the...
Construct a model with four different groups(black,yellow,red, and green) attached to the central atom(black), set the substituent black atom points toward the ceiling. 1. In which direction, clockwise or counterclockwise must you proceed to list the same sequence of colors of the three atoms resting on the desk surface? 2. Make an exact model and try to superimpose the two models, how do the models differ from one another? Replace the green atom in each model with a yellow atom,...
1. Construct a model that has a central carbon atom with 4 different colored spheres attached...
1. Construct a model that has a central carbon atom with 4 different colored spheres attached to it, representing four different atoms or groups. Draw a solid/dashed-wedge structure of this model here and answer the following questions. ç (a blue ball) IND Fig. 1 B a. Does the model have a plane of symmetry? Yes No The central carbon is said to be a stereocenter, stereogenic center, or chiral carbon. Change one of the colored spheres so that two of...
PART OPTICAL ISOMERISM Stereocenters and Chirality Construct a model in which a central carbon (black) has...
PART OPTICAL ISOMERISM Stereocenters and Chirality Construct a model in which a central carbon (black) has four different groups directly attached (a single sphere each of white, red, green andble). Draw this in your lab notebook. 1. Does this molecule have a rotational axis of symmetry? 2 plae of symmetry? This molecule is said to contain a stereocenter (in view of the 4 different attached groups. Here this center provides the molecule with chirality ("handedness", a molecular property). Thus the...
1. Construct a model that has a central carbon atom with 4 different colored spheres attached...
1. Construct a model that has a central carbon atom with 4 different colored spheres attached to it, representing four different atoms or groups. Draw a solid/dashed-wedge structure of this model here and answer the following questions. C (a blue ball) D Fig. 1 B 2. Reconstruct the original stereogenic carbon with the four different colored balls again. Set the model on the table so that the blue ball (C In the Fig 1) points upwards. a. Looking down on...
please solve all 4. Enantiomers.- THIS FOLLOWING EXERCISES ON PAGES 6 AND 7 ARE TO BE...
please solve all
4. Enantiomers.- THIS FOLLOWING EXERCISES ON PAGES 6 AND 7 ARE TO BE DONE AS A GROUP WITH THE LAB INSTRUCTOR!!!! a) Construct a model consisting of a tetrahedral carbon center with four different atoms attached - use white, green, orange and violet balls. Each color represents a different group or atom attached to the central carbon. Does this model have a plane of symmetry? Note 1: a plane of symmetry can be described as a cutting...
3. Diastereomers and Meso Forms. When a molecule has two or more stereogenic centers, stereoisomers that...
3. Diastereomers and Meso Forms. When a molecule has two or more stereogenic centers, stereoisomers that are not mirror images can exist; these are called diastereoisomers. Within this general class, there are special types of stereoisomers that are always optically inactive and are called meso forms. Construct a model with four different colored balls about a carbon center. Construct another identical to the first and verify this by the superimposition test. Now remove the same colored balls, blue (C from...
Construct model E which has the chlorine atom at C-1 in the equatorial position and the...
Construct model E which has the chlorine atom at C-1 in the equatorial position and the chlorine atom at C-3 in the axial position. 1. 2. 3· Construct the mirror image of model E. The structure of model E is provided. Sketch the structure of its mirror image in the box provided mirror Cl Model E 4. Does the structure represented by model E have one or more stereocenters? If yes, how many and then indicate the chiral center(s) on...
3. Diastereomers and Meso Forms. When a molecule has two or more stereogenic centers, stereoisomers that...
3. Diastereomers and Meso Forms. When a molecule has two or more stereogenic centers, stereoisomers that are not mirror images can exist; these are called diastereoisomers. Within this general class, there are special types of stereoisomers that are always optically inactive and are called meso forms. Construct a model with four different colored balls about a carbon center. Construct another identical to the first and verify this by the superimposition test. Now remove the same colored balls, blue (C from...
V Using Models of Compounds with Two Chiral Centers 25. On your drawing, use arrows to...
V Using Models of Compounds with Two Chiral Centers 25. On your drawing, use arrows to indicate the at- oms that could be chiral centers (34). 23. Construct a model of 2,3,4-trihydroxybutanal, as shown in Figure 4 26. Make a template for the atoms attached to carbon 2 in the molecule. The groups of atoms attached to carbon 2 may not touch the paper, but you can still mark their relative positions (35). OH OH HI H-C C aC 27....
1. Construct a model consisting of a tetrahedral carbon center with four different component atoms attached: red, white, blue, green; each color represents a different group or atom attached to carbon. Does this model have a plane of symmetry (1a)? A plane of symmetry can be described as a cutting plane-a plane that when passed through a model or object divides it into two equivalent halves; the elements on one side of the plane are the exact reflection of the...
1. Construct a model that has a central carbon atom with 4 different colored spheres attached to it, representing four different atoms or groups. Draw a solid/dashed-wedge structure of this model here and answer the following questions. ç (a blue ball) IND Fig. 1 B a. Does the model have a plane of symmetry? Yes No The central carbon is said to be a stereocenter, stereogenic center, or chiral carbon. Change one of the colored spheres so that two of...
PART OPTICAL ISOMERISM Stereocenters and Chirality Construct a model in which a central carbon (black) has four different groups directly attached (a single sphere each of white, red, green andble). Draw this in your lab notebook. 1. Does this molecule have a rotational axis of symmetry? 2 plae of symmetry? This molecule is said to contain a stereocenter (in view of the 4 different attached groups. Here this center provides the molecule with chirality ("handedness", a molecular property). Thus the...
1. Construct a model that has a central carbon atom with 4 different colored spheres attached to it, representing four different atoms or groups. Draw a solid/dashed-wedge structure of this model here and answer the following questions. C (a blue ball) D Fig. 1 B 2. Reconstruct the original stereogenic carbon with the four different colored balls again. Set the model on the table so that the blue ball (C In the Fig 1) points upwards. a. Looking down on...
please solve all
4. Enantiomers.- THIS FOLLOWING EXERCISES ON PAGES 6 AND 7 ARE TO BE DONE AS A GROUP WITH THE LAB INSTRUCTOR!!!! a) Construct a model consisting of a tetrahedral carbon center with four different atoms attached - use white, green, orange and violet balls. Each color represents a different group or atom attached to the central carbon. Does this model have a plane of symmetry? Note 1: a plane of symmetry can be described as a cutting...
3. Diastereomers and Meso Forms. When a molecule has two or more stereogenic centers, stereoisomers that are not mirror images can exist; these are called diastereoisomers. Within this general class, there are special types of stereoisomers that are always optically inactive and are called meso forms. Construct a model with four different colored balls about a carbon center. Construct another identical to the first and verify this by the superimposition test. Now remove the same colored balls, blue (C from...
Construct model E which has the chlorine atom at C-1 in the equatorial position and the chlorine atom at C-3 in the axial position. 1. 2. 3· Construct the mirror image of model E. The structure of model E is provided. Sketch the structure of its mirror image in the box provided mirror Cl Model E 4. Does the structure represented by model E have one or more stereocenters? If yes, how many and then indicate the chiral center(s) on...
3. Diastereomers and Meso Forms. When a molecule has two or more stereogenic centers, stereoisomers that are not mirror images can exist; these are called diastereoisomers. Within this general class, there are special types of stereoisomers that are always optically inactive and are called meso forms. Construct a model with four different colored balls about a carbon center. Construct another identical to the first and verify this by the superimposition test. Now remove the same colored balls, blue (C from...
V Using Models of Compounds with Two Chiral Centers 25. On your drawing, use arrows to indicate the at- oms that could be chiral centers (34). 23. Construct a model of 2,3,4-trihydroxybutanal, as shown in Figure 4 26. Make a template for the atoms attached to carbon 2 in the molecule. The groups of atoms attached to carbon 2 may not touch the paper, but you can still mark their relative positions (35). OH OH HI H-C C aC 27....
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