7. Predict the product(s) of each of the following reactions include stereochemistry where important and indicate...
Predict the substitution product(s) for each of the following reactions and mechanisms by which they are formed. If no reaction is expected, write no (a) (R)-2-bromobutane with sodium iodide in acetone (b) (R)-3-bromo-3-methylhexane with H20 (c) trans-1-bromo-2-ethylcyclopentane with potassium ethoxide in ethanol (d) trans-1-bromo-3-methylcyclopentane with Nal in acetone 5. For the following set of compounds, predict the order of reactivity with sodium iodide in acetone solution (list them in increasing order of reactivity). C. D. 2-bromobutane 1-chlorobutane 2-chloro-3-methylbutane 2-bromo-2-methylpropane 1-bromobutane...
answer all 1. In each of the following, indicate which S2 reaction will occur faster. Explain your reasoning. a. 1-bromo-2,2-dimethylpropane or 1-bromo-3-methylbutane with Nal in DMSO. b. 1-iodopentane with NaN, in ethanol or NaSCH, in ethanol, c. Reaction of isobutyl iodide with NaBr in acetone or in ethanol. 2. In each of the following, indicate which S, 1 reaction will occur faster. Explain your reasoning. a. Reaction of I-chloro-1-methylcyclohexane or 1-chloro-2-methylcyclohexane in aqueous ethanol. b. Reaction of 2-chloropentane or 3-bromohexane...
1. Draw the structure of the principal organic product and predict the stereochemistry to be expected from the reaction of (IR, 2R)-/-bromo-2-methylcyclohexane with each of the following: a. NaOCH, in CH,OH at 60° d. NaNH, in NH, dt 50° b. aqueous CH OH at 140° e. aqueous CH.CH,OH at 25° c. Nal in DMSO at 40° 2. Draw the major product(s) (showing appropriate stereochemistry when necessary) for the following reactions. Indicate the mechanism(s) in operation (SNI,SN2, El. or E2). CH,...
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...
please answer all 1. Draw the structure of the principal organic product and predict the stereochemistry to be expected from the reaction of (IR, 2R)-1-bromo-2-methylcyclohexane with each of the following: a. NaOCH, in CH,OH at 60° d. NaNH, in NH, at 50° b. aqueous CH,OH at 140° e. aqueous CH,CH,OH at 25° c. Nal in DMSO at 40° 2. Draw the major product(s) (showing appropriate stereochemistry when necessary) for the following reactions. Indicate the mechanism(s) in operation (SNI, SN2, E1,...
Predict the products and mechanisms of the following reactions. When more than one product or mechanism is possible, explain which are most likely. (a) 1-bromohexane + sodium ethoxide in ethanol (b) 2-chlorohexane + NaOCH3 in methanol (c) 2-chloro-2-methylbutane + NaOCH CH in ethanol 23 (d) 2-chloro-2-methylbutane heated in ethanol (e) isobutyl iodide + KOH in ethanol>water (f) isobutyl chloride + AgNO3 in ethanol>water (g) 1@bromo@1@methylcyclopentane + NaOEt in ethanol (h) 1-bromo-1-methylcyclopentane heated in methanol
1. Predict the product(s) of the following SN2 reactions and include stereochemistry where necessary. Br КОН NaOCH DMSO
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...
For c), label the following enantiomer as R or S and give the full name. For 6, a) Draw a Fisher cross formula of (R)-1-bromo-2-methylbutane b) Draw a Fisher cross formula of (S)-3-chloro-1-pentene. 146 C3H7 Br— CH,CH(CH3)2 CH3 Answer: a) Draw a Fisher cross formula of (R)-1-bromo-2-methylbutane. b) Draw a Fisher cross formula of (S)-3-chloro-1-pentene.