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5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b)...
5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b) 2-bromo-2-methylpropane + LiN(CH(CH3)2), in THF. c) 2-Chloro-1-ethanol + potassium tert-butoxide (KO-Bu). d) Cis-2-methyl-1-chlorocyclohexane + methanol. e) Potassium tert-butoxide (KO-Bu) and methyl iodide in THF. f) Draw a detailed curved arrow pushing mechanism for reaction 5d above. Draw the reactants cis-2- methyl-1-chlorocyclohexane + methanol, and show each and every electron flow that converts them into the major products.
draw a detailed curved arrow pushing mechanism for Cis-2-Methyl-1-Chlorocyclohexane +Methanol. Draw the reactants cis-2-methyl-1-chlorocyclohexane + Methanol, and show each and every electron flow that converts them into the major 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...
13a. Draw the electron pushing using arrows for 2-Bromo-2-methylbutane reacting with methanol. Consider both substitution and elimination mechanisms. Show the structure of products. 13b. Does cis- or trans- bromo-4-tert-butylcyclohexane react faster in an E2 reaction? Explain.
Draw the structural formula for the reagents and the products for the following reactions. Watch the stereochemistry where appropriate. Indicate the mechanism for each (E1, E2, SN1, SN2). The reaction of t-butylbromide with a strong base and heat. The reaction of R-2-bromobutane with methanol. The reaction of R-2-bromobutane with sodium methoxide in acetone. The reaction of R-2-bromobutane with sodium t-butoxide and heat. The reaction of 2-methyl-2-iodopentane with water.
1. Predict the major products of the following reactions. (Hint: draw out Tosylate ion) ethyl tosylate + potassium tert-butoxide 2.isobutyl tosylate + NaI 3.(R)-2-hexyl tosylate + NaCN (show sterochemistry) 4.the tosylate of cyclohexylmethanol + excess NH3 5.n-butyl tosylate + sodium acetylide, H−C≡C:−Na+
1. 3-methyl-1-butene on reaction with H-Cl forms two products, namely 2-chloro-3- methylbutane (minor) and 2-chloro-2-methylbutane (major). Illustrate the mechanism for the formation of these two products. Use curved arrows to illustrate electron movement and all intermediates must be shown. 2. 3,3-dimethyl-1-butene on reaction with HBr forms two products, namely 3-bromo-2,2- dimethylbutane (minor) and 2-bromo-2,3-dimethylbutane (major). Illustrate the mechanism for the formation of these two products. Use curved arrows to illustrate electron movement and all intermediates must be shown. 3. Calculate...
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)...
For letters h & i : For each of the following reactions, predict the major mechanistic pathway (SN1/SN2/E1/E2) and the major organic products 1. (cont.) (h) НСОН CHB -CHBr HCOH - (0) CH,CH,CH,CH,Br- NH 2. For each of the following indicate which reaction will occur faster. Explain your reasoning. (No credit will be given for guesses) (a) The reaction of (CH),CBr with 0.001M aqueous NaOH or 0.10M aqueous NaOH (b) The reaction of 2-bromobutane with NaOH in DMSO or NaSH...
ctions 5. Fill in the ising bonconllg L Hg-CM-Ch c-c-ch3 2. Draw structures for the following compounds. a) 2-vinyl-1,3-cyclohexadiene b) 4-methyl-2-pentene. c) octa-2,4-diene d) deca-1,5-diene e) 3-heptene f 4-methyl-2-pentene 9) trans-8-ethyl-3-undecen h) E-5-bromo-4-chloro-7,7-dimethyl-4-undecene D Z-1,2-difluoro-cyclohexene )4-ethenylcyclohexano 1. Predict the major organic product or products of each of the following reactions. H2SO a) (CH)2CHCH-CH2 н.о 1. Hg(OAc)2, H2O b) (CH),CHCH-СH, 2. NaBH 1. BH3-THF c) (CH),СHCH-CH, 2. H2O2, NaOH