Substitution Problems I. In each of the problems below, label the alkyl halide as primary, secondary,...
Substitution Problems I. In each of the problems below, label the alkyl halide as primary, secondary, or tertiary. Label the nucleophile as strong or weak. Decide whether an SN2 or an Sy1 reaction occurs. After, show the mechanism and product or products. Indicate stereochemistry where appropriate. a. Reaction of 1-bromopropane and sodium methoxide in methanol CH3 Na CH,Oн Br b. Reaction of 2-bromopropane in ethanol CH3CH2OH Br c. Reaction of (R) 3-chloro-3-methyl heptane in acetic acid Ci Cн CH,COOH но...
organic chemistry Substitution Problems 1. in each of the problems below, label the alkyl halide as primary secondary, or tertiary Label the nucleophile as strong or weak Decide whether an 5,2 or an 51 reaction occurs. After, show the mechanism and product or products, indicate stereochemistry where appropriate Reaction of 1-bromopropane and sodium methoxide in methanol + Na CH- CH,OH Reaction of bromopropane in ethanol CHCHH - Reaction of R)-chloromethylheptane in acetic acid + CH CH.COOH Reaction of the molecule...
1. Describe the effects each case for an 2. Describe the effects each case has for an Sul reaction Write the rate law for an 52 reaction Write the rate law for an 5.2 reaction b. Increasing the concentration of the substrate (look at rate law) b. Increasing the concentration of the substrate (look at rate law) c. Increasing the concentration of the nucleophile or base (look at rate law) c. Increasing the concentration of the nucleophile or base look...
the problems below tabel they had a marc ar.o . mechanism and product or products indicate stereacherywhere Reaction of bromopropane and sodium methode in methane CHO b Reaction of 2-bromopropane in ethanol -Br + CH CH OH Reaction of (R) 3-chloro-3-methylheptane in acetic acid ---CHE CH,COOH d. Reaction of the molecule shown with sodium methoxide in aprotic solvent CH H + OO. Na 0-CHE acetone
2. Predict the product(s) of each of the reaction conditions below. Specify the substrate type (primary, secondary, or tertiary alkyl halide), nucleophile (strong or poor), and the solvent type (protic or aptrotic). Specify the type of reaction mechanism (SN1 or SN2), show the curved arrow mechanism and draw the products as 3D structures to illustrate stereochemistry. Predict the product(s) of each of the reaction conditions below. Specify the substrate type (1º, 2º, or 3 alkyl halide). mucleophile (strong or poor),...
S2 reactions proceed through an inversion of stereochemistry. To illustrate this, show the mechanism, including the transition state of the reaction of methyl iodide with sodium cyanide. 5. For the following pairs indicate which is the stronger nucleophile and why you came to that conclusion 6 Water (H,O) Vs Sodium hydroxide (NaOH) a. b. Potassium lodide (K) vs Potassium Fluoride (KF) Sodium methoxide (NaOCH) Vs. Sodium tert-butoxide (NaOC(CH) 7. A. in an S1 reaction when you double the concentration of...
3. a. List the and state if( ) (10 pts ca.) i. Nucleophile (strong/weak), Basicity (strong/weak) ii. Substrate (1°/2°/3°) iii. Leaving group (good/poor) iv. Solvent (protic/aprotic) b. Label the mechanism for the reaction (S1/S2/E1/E2) c. Draw the mechanism for the reactions and predict the major product(s). Use proper stereochemistry where necessary d. State which is the rate determining step (RDS) e. Give a rate law for each reaction. Ex: Rate=K[ A B NaSCH CH2CN OH HI MeOH
17. Which of the following statements is true? A. An Sw1 reaction always proceeds faster than an S2 reaction. B. An Sw2 reaction is not stereospecific C. Good alkyl halide substrates for an E1 reaction are also good for an E2 reaction. D. Increasing the alkyl halide concentration enhances the reaction rate of an Sw1 reaction but not that of an E2 reaction. 18. For the following reaction, what happens to the reaction rate if the concentration of NaN, is...
Dropdown Menus: 1. methyl, primary (unhindered), primary (hindered), secondary, tertiary 2. poor, weakly basic, strongly basic (hindered), strongly basic (unhindered) 3. protic, aprotic 4. SN2, SN1, E1, E2, SN2 AND E2, SN1 AND E1, No Reaction 5. randomized, inverted, predictable but not inverted, unchanged 6. a planar carbocation intermediate, backside attack transition state, anti-periplanar transition state, other CH3CH2ONa ??? CH3CH2OH Br OH OH OH De on an or rega ang Look at the given reaction and select the most appropriate...
Dropdown Menus: 1. methyl, primary (unhindered), primary (hindered), secondary, tertiary 2. poor, weakly basic, strongly basic (hindered), strongly basic (unhindered) 3. protic, aprotic 4. SN2, SN1, E1, E2, SN2 AND E2, SN1 AND E1, No Reaction 5. randomized, inverted, predictable but not inverted, unchanged 6. a planar carbocation intermediate, backside attack transition state, anti-periplanar transition state, other OH Hom 유 용 The Tone The ♡ ♡ Tñ y OH H OH E OH F HO3 G Look at the given...