Give the product for the addition of chlorine when HCl reacts with 3-Hexyne in acetic acid (CH3COOH). Show the correct stereochemistry, (is the product Z or E isomer).
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Give the product for the addition of chlorine when HCl reacts with 3-Hexyne in acetic
acid (CH3COOH). Show the correct stereochemistry, (is the product Z or E isomer).
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- Two substitution products result from the reaction between 3-chloro-3-methyl-1- butene with sodium acetate (CH3COO – Na +) in acetic acid under SN1. Identify the products.a) When (Z)-3-methylhex-3-ene undergoes hydroboration–oxidation, two isomeric products are formed. Give their structures, and label each asymmetric carbon atom as (R) or (S). What is the relationship between these isomers?4-methyl-3-hexanol was prepared by reacting an alkene with either hydroboration-oxidation or oxymercuration-reduction. Draw the structure of the alkene that was used to prepare the alcohol in highest yield. • You do not have to consider stereochemistry. • Indicate the method of preparation by drawing either BH3 (for . If there is more than one alkene that can be used for a given method, draw all of them. If either hydroboration-oxidation or oxymercuration-reduction can be used, just give the structures for one method. Separate structures with + signs from the drop-down menu. ● 981 -- 26224 ? ChemDoodle Y hydroboration-oxidation), or Hg (for oxymercuration-reduction), in a separate sketcher. Sn [1
- (R)-2-butanol reacts with phosphorus tribromide to give A (C4H9Br). Treatment of A with sodium cyanide in DMF gives B (C5H9)N. B is optically active. Draw the structure of B. • Use the wedge/hash bond tools to indicate stereochemistry where it exists. Show stereochemistry in a meso compound. Sn [F ? ChemDoodleⓇWrite the monobromination products of 1,4-dimethylcyclohexane and calculate the percentages of each product. Which is the major product?In the following structure I have abbreviated the long carbon chain as an R group. Provide the two major products of the following reaction (Hint: Must consider stereochemistry!). HO H R H Br₂ What is the isomeric relationship of the two products?
- Ignoring stereochemistry, what is the major organic product of the reaction of 2,4-dimethylpentane, chlorine, and light?Interpret the acidity of alcohols on the basis of ground-state polarization and stability of the alcoholate anion(indicate and give symbols for bond polarization)! Compare the relative acidity of ethanol and 2-fluoroethanol!(c) Draw an accurate representation, using dashes and wedges to show stereochemistry, of (3R,4R)-3,4-dibromo-1-pentyne
- 2-methyl-2-hexanol was prepared by reacting an alkene with either hydroboration- oxidation or oxymercuration-reduction. Draw the structure of the alkene that was used to prepare the alcohol in highest yield. You do not have to consider stereochemistry. • Indicate the method of preparation by drawing either BH3 (for hydroboration- oxidation), or Hg (for oxymercuration-reduction), in a separate sketcher. • If there is more than one alkene that can be used for a given method, draw all of them. • If either hydroboration-oxidation or oxymercuration-reduction can be used, just give the structures for one method. Separate structures with + signs from the drop-down menu. ? ChemDoodleⓇ ⒸO [F ▼ [ ] در >When bromine is added to two beakers, one containing phenyl isopropyl ether and the other containing cyclohexene, the bromine color in both beakers disappears. What observation could you make while performing this test that would allow you to distinguish the alkene from the aryl ether?Draw the structure(s) of all of the alkene isomers, C5H10, that contain a branched chain. Consider E/Z stereochemistry of alkenes.