1. Follow the instructions given: 14 points. a. Provide the IUPAC name for the molecule shown...
1. Follow the instructions given: 14 points. a. Provide the IUPAC name for the molecule shown below. (4 points) b. Provide the IUPAC name for the molecule shown below. (4 points) c. Rank the following cations in terms of their stability (least to most stable). (3 points) d. Which C-H bond below is weaker (in terms of bond strength), A or B? (3 points) ON least stable < < most stable Bond B is weaker. 2. Consider the reaction below...
1. Follow the instructions given: 20 points. a. Provide the IUPAC name for the molecule shown below. (4 points) b. Provide the IUPAC name for the molecule shown below. (4 points) c. Of the cations shown below, circle any that are chiral. (4 points) d. Draw the expected product of the reaction below and briefly explain why three, not two equivalents of NaNH2 are required. (5 points) Br- 3 NaNH2 NH e. Rank the following radicals in terms of their...
a. Provide the IUPAC name of the molecule shown below. (4 points) b. Circle all achiral (meso) compounds below. (4 points) OH COH HOZC OH c. Draw the structure of the compound based on its IUPAC name. (4 points) d. Of the cations below, circle any that are achiral. (4 points) OAC Hg ΤΗ (E)-4-ethyl-3-fluorohept-3-ene e. Provide the IUPAC name of the molecule shown below. (4 points) f Rank the following cations from least stable to most stable. (3 points)...
2. Consider the reaction below and answer the questions that follow. You can ignore stereochemistry in this problem: 16 points. Brzor Br hy a. Complete the two propagation steps for the reaction by filling in 'curved arrows' (that show the making/breaking of bonds) and the structures of A-C. (8 points) (2) Br: b. Using the bond dissociation enthalpies (BDEs) given below, calculate AH (in kcal mol') for each propagation step as well as for the overall reaction. Show your work....
6. Complete the two propagation steps for the reaction shown below by filling in curved arrows(that show the making/breaking of bonds) and the structures of A-C. Draw in hydrogens if necessary: 8 points. NBS - Br (2) 0.0 - do Br + Bri Total Points
1. (2 points) Provide the IUPAC name for the following structure. он 2. (2 points) Draw the structure from the provided name: 5-chloro-2,2-dimethylcyclohexane-1,3-dione. 3. (6 points) The following reaction produces five different substitution and elimination products, (a) Draw these products and (b) rank the stability of the elimination products by using the labels (E1-E3) according to the products as you have entered them. substitution product S1 substitution product S2 HzC04 CF, H-OH elimination product E1 elimination product E2 elimination product...
Please provide explainations for your answers. Thanks! 1. Draw 3 contributing resonance structures of the molecule shown. OCH H2N OCH3 A B Which structure do you suppose contributes most? Why? 2. Provide the IUPAC name for the molecule shown below. Br IUPAC name: Ph 3. Draw the 6 Newman projections for the molecule shown, looking down the C(2)-C(3) bond. Circle the Newman projection that you think would be most stable. Use the table of gauche interactions to determine your answer...
1. Name these compounds according to the IUPAC system Include stereochemistry (cis/trans, E/Z) where shown. 4 Write "most" under the alkene which is most stable. Write "least" under the alkene which is least stable. 3. Write in the product of this reaction: HBO HBr
1. Name these compounds according to the IUPAC system Include stereochemistry (cis/trans, EIZ) where shown. a) oL 2. Write "most under the alkene which is most stable. Write "least" under the alkene which is least stable.
Consider the reaction below. Note that the stereochemistry of the product is now shown: 12 points. 5. Br2 CH2Cl2 Br Br a. Draw the most stable chair conformation of the starting material (i.e. the alkene). Use the chair template provided on your answer sheet. You do not need to draw ring hydrogens. (2 points) b. Draw a detailed stepwise mechanism for the reaction. Draw all intermediates and use curved arrows to show 'electron movement'. If multiple stereoisomers of the same...