Which of the following substrates could give only one alkene upon treatment with potassium tert-butoxide?
2-bromopentane
2-bromo-2-methylbutane
2-bromo-3-methylbutane
2-chloropentane
2-bromopropane
answer is 2-bromopentane, 2-chloropentane and 2-bromopropane
the above substrate will give single product on elimination reaction as shown below
Which of the following substrates could give only one alkene upon treatment with potassium tert-butoxide? 2-bromopentane...
When (R)-2-chloro-3-methylbutane is treated with potassium tert-butoxide, a monosubstituted alkene is obtained. When this alkene is treated with HBr, a mixture of products is obtained. Draw all of the expected products.
draw the expected products Incorrect. When (R)-2-chloro-3-methylbutane is treated with potassium tert-butoxide, a monosubstituted alkene is obtained. When this alkene is treated with HBr, a mixture of products is obtained. Draw all of the expected products.
3. for each of the following, choose the reaction that would proceed more rapidly and give an explanation for your choice: (a) iodomethane or bromomethane with aqueous KOH (b) iodomethane or iodoethane with aqueous KOH (c) methanol or bromomethane with Nal dissolved in acetone (d) 2-bromopropane or 1-bromopropane with Nal dissolved in acetone (e) 2-bromo-2-methylbutane or 2-bromo-3-methylbutane with ethanol (f) aqueous KBr or aqueous HBr with butanol (g) 2-chloro-3,3-dimethylbutane or 2-chloro-3-methylbutane with potassium tert- butoxide (h) 1:1 or 1:4 by...
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
For each of the following, choose the reaction that would proceed more rapidly and give an explanation for your choice: (e) 2-bromo-2-methylbutane or 2-bromo-3-methylbutane with ethanol (f) aqueous KBr or aqueous HBr with butanol 2-chloro-3,3-dimethylbutane or 2-chloro-3-methylbutane with potassium terl- butoxide (h) 1:1 or 1:4 by volume H20: ethanol with 2-chloro-2-methylpropane c) H20 or H2S with 1-bromopentane (1) NaCN in H2O or NaC'N in (CH3)2S=0 with methyl iodide
Which halide can give only one product upon dehydrohalogenation? a) 3-bromopentane ! b) 2-chloro-4,4-dimethylpentane c) 3-chloro-2,2-dimethylhexane. d) 2-chloro-3,3-dimethylpentane
1.1What is the major product formed upon radical bromination of (S)-3-methylhexane? Select the best response. Draw the full mechanism. A. (S)-3-bromo-3-methylhexane B. (R)-3-bromo-3-methylhexane C. A mixture of (R) and (S) 3-Bromo-3-methylhexane D. (3R)-1-bromo-3-methylhexane 1.2 What is the major product obtained from the reaction of 2-methyl-2-butene with hydrogen bromide in the presence of peroxides?Select the best response. Draw the mechanism. A. 2,3-dibromo-2-methylbutane B. 2-bromo-3-methylbutane C. 2-bromo-2-methylbutane D. (E)-1-bromo-2-methyl-2-butene 1.3 There are 4 major products formed upon treatment of (E)-3-methyl-2-hexene with HBr...
need help with part c and d L euly butane 2-chloro-2-methylbutane 2-chloro-3-methylbutane 2-chlorobutane c) Draw a curved-arrow mechanism for the following reaction: - H2O Hạº, d) Label the following reactions as S1, S2, E1, E2, addition, or acid/base (2 pts, cach). i. Bromoethane becomes ethanol upon treatment with hydroxide ion. ii. 1-Methyl-1-cyclohexanol reacts with acid in water to form l-methylcyclohexene. iii. Propyne becomes propane in the presence of hydrogen and metal catalyst. iv. I-iodopropane reacts with potassium tert-butoxide. SN e)...
Circle the one correct answer for our pluvieill. (100) A. The reaction of an alkene with chloroform (CHCl3) in the presence of a strong base, such as potassium tert-butoxide (KOC(CH3)3) gives a: a) epoxide b) aldehyde c) alcohold) cycloalkanee ) ketone B. Which of the following would give formaldehyde (H2C=0) upon treatment with aqueous periodic acid (HIO)? a) а) CH2OH b) d) н -он HO-LH CH OH CH OH Но HOH CH OH CH OCH3 Ε0 OH CH OH FO...
Part A Identify the alkene that gives only the following product upon ozonolysis, followed by treatment with dimethyl sulfide. Interactive 3D display mode Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template fod default. 200 Hz par