3. When 1-bromo-1-phenyl-ethane is heated in ethanolic potassium ethoxide, the major product is styrene. a. Write...
4. When 2-bromo-1-phenylbutane is reacted in methanolic sodium methoxide, one might expect to see two products. However, only one product is formed to an appreciable extent. a. Write a detailed reaction scheme b. Write a detailed mechanism. c. Explain why only one of the possible products is formed to appreciable extent.
1. (1R, 2R)-1-bromo-1,2-dimethylcyclohexane is heated in the presence of potassium tert-butoxide (KO-tert-Bu). Name minor product/s only 2. 2-iodo-1,1,2,3,3-pentamethylcyclohexane is heated in the presence of sodium ethoxide in ethanol, don’t name the product/s of the reaction 3. ,2,2-trimethylcyclohexan-1-ol is heated in aqueous sulfuric acid 4. (3S)-2-methyl-3-pentanol is heated in aqueous sulfuric acid
Provide mechanism to explain
Why does 3-phenyl-1-propene produce l-bromo-3-phenylpropane as the major product when treated with HBr and ROOR?
(a) When cis-1-bromo-2-methylcyclohexane undergoes an E2 reaction, two products (cycloalkenes) are formed. What are these two cycloalkenes, and which would you expect to be the major product? Write conformational structures showing how each is formed. (b) When trans-1-bromo-2-methylcyclohexane reacts in an E2 reaction, only one cyclo- alkene is formed. What is this product? Write conformational structures showing why it is the only product.
Write the structure of a major product when benzene reacts with neopentyl bromide (1-bromo-2, 2-dimethylpropane) in the presence of AlCl_3/heat Show the reaction mechanism of this reaction and name the product Using retrosynthetic analysis, devise a synthesis of 2-nitroterephthalic acid ft benzene by using any necessary organic and inorganic reagent (Assume that ortho and and para-isomers are easily separable in the laboratory.) Identify compounds A-C in the retrosynthesis shown below and suggest reagents for each synthetic stop.
2. When (1R, 2R)-1-bromo-2-methylcyclohexane reacts with lithium methoxide in methanol, both substitution and elimination reactions occur to produce three unique products. What are the structures of the three products produced by this reaction? sepenbare CHOLE сно CH3 3. When (R)-3-mesyl-3-ethyloctane reacts with potassium hydroxide in aqueous THF elimination occurs to produce three unique alkene products. What are the structures of the three products produced by this reaction? MsOCH.CH HOK THF/H20 4. When (S)-2-fluoro-2-iodobutane reacts with hydroxide ion in aqueous THF,...
When 3-bromo-2,2-dimethylbutane is treated with potassium tert-butoxide, a single product, A, having the formula C6H12 is formed. When 3,3-dimethyl-2-butanol is treated with sulfuric acid, the major product, B, has the formula C6H12. Given the following NMR data, what are the structures of A and B?Write reactions for the formation of A and B and draw a splitting diagram for the protons at 4.82, 4.93, and 5.83 ppm in compound A1H NMR of A: 1.01 (s, 9H), 4.82 (dd, 1H, J = 10, 1.7 Hz), 4.93 (dd,...
1.The main product of the reaction between p-cresol and Br2 / FeBr3 is: 3-Bromo-4-methyl phenol 2-Bromo-4-methyl phenol 2-methyl-4-bromine phenol 3-methyl-4-bromine phenol 2.Which of the following compounds is the least reactive in the nucleophilic substitution with NaOH? 2,4-dinitrochlorobenzene m-nitrochlorobenzene o-nitrochlorobenzene 3,5-dinitrochlorobenzene 3.What is the mechanism (s) for the reaction of 4-bromo-1-nitrobenzene with sodium hydroxide to form 4-nitrophenol? bimolecular nucleophilic substitution (Sn2) aromatic nucleophilic substitution by addition-elimination aromatic nucleophilic substitution by elimination-addition aromatic electrophilic substitution 4.which of the following is the correct...
1) Consider the free radical monochlorination of 3-methylpentane and answer the following: a) How many products (including stereoisomers) are formed? _______ b) How many are chiral? ________ c) Would the major product of free radical bromination possess a chiral carbon? Yes or No 2) Which of the following functional groups can be generated in one step via SN2 or SN1 reaction? (Enter all that apply) a) Aldehyde b) Alcohol c) Alkene d) Alkyne e) Amine f) Carboxylic Acid g) Ester...
1) Consider the free radical monochlorination of 3-methylpentane and answer the following: a) How many products (including stereoisomers) are formed? _______ b) How many are chiral? ________ c) Would the major product of free radical bromination possess a chiral carbon? Yes or No 2) Which of the following functional groups can be generated in one step via SN2 or SN1 reaction? (Enter all that apply) a) Aldehyde b) Alcohol c) Alkene d) Alkyne e) Amine f) Carboxylic Acid g) Ester...