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- Which compound is the major product of the reaction below? QH (1) LIAIH,/ether N. N. N. (2) H* (dil.)/H,O (A) (B) HO, (C) (D) O Compound B O Compound A Compound C Compound DWhich set and order of reagents are best used to carry out the following reaction scheme? [Note: more than one answer may or may not apply.] CI a. 1. HNO3, H2SO4 followed by 2. Cl2, FeCl3 b. 1. Cl2, FeCl3 followed by 2. H2SO4 c. 1. Cl2, FeCl3 followed by 2. AISO3 d. 1. HNO3, H2SO4 followed by 2. Cl2, AICI3 followed by 3. water e. 1. Cl2, FeCl3 followed by 2. AINO2 f. 1. Cl2, FeCl3 followed by 2. HNO3, H2SO4Determine the mechanism of nucleophilic substitution of each reaction and draw the products, including stereochemistry. CH₂CH3 a. b. C. x Br + CN Br H Br + OCH3 + CH3OH CH₂CH₂CH3 acetone DMSO d. CI + CH3 e. f. H Br CH3COOH + -OCH₂CH3 + CH3CH₂OH DMF
- 2. Which reaction in each set would be expected to be faster? Explain by showing key intermediates, transition states, and or orbitals. -OTS a. b. TSO Ph-O or Ph Br or solvolysis in acetic acid Ph g Br Ph-O solvolysis in acetic acidWhat is the missing reagent in the reaction below? of of. cr CI Multiple Choice O LIAIH4. [2] H2O (1] CH2=CHLI, [2] H2O (1]) (CH2=CH)2CULİ, (2) H20 (1] DIBAL-H, (2] H201.68 Provide the missing intermediates and final product in the following synthesis. 1. ВН3 THF 2. NaOH, H2O2 РСС А В (CęH5)3P–CH2 1. Hg(OAc)2, H2O KMNO4 1. LDA 2. NaBH4 2. Br.
- .0. For 0.1 M equimolar reaction of CH3COOH + NH3 ----> CH3-CO-O™ + NH4+ How does the concentration of ]? [CH3COOH] compare to that of [CH3-CO-O (a) Equal (b) Greater than (c) Less than) (d) not possible determine aFor Nos. 63-70 Choose: A -if the indicated property/behavior in item I is greater than in item II B-if the indicated property/behavior in item I is less than in item II. C- if the indicated property/behavior is equal in item I and item II. D- if the indicated data is insufficient to make a comparison.5. Draw the mechanism arrows for each of the reactions below. (8pts) NaNH2 a. b. C. CI .Cl I NaCN Base Catalyzed Keto-Enol Tautomerization H3O+ HO H₂N CI CN CN H
- Synthesize each compound from toluene (CgH,CH3) and any other organic or inorganic reagents. a. CeHsCH2OC(CHa O,N H2N. b. CgH;CHO d. HOOC- -NO2 f. HO. -COOH CHO C. е. g. Brcis-4-Bromocyclohexanol and trans-4-bromocyclohexanol form the same elimination product but a different substitution product when they react with HO-. a. Why do they form the same elimination product? b. Explain, by showing the mechanisms, why different substitution products are obtained. c. How many stereoisomers does each of the elimination and substitution reactions form?Provide the reagents. Но + enantiomer A 1. KOt-Bu, heat 2. mCPBA 3. MeMgBr 4. H2O B. 1. conc. H,SO4, heat 2. MCPBA 3. MeBr С. 1. РBгз 2. KOt-Bu 3. mCPBA 4. MeMgBr 5. H2O D. 1. Br2, hv 2. KOt-Bu 3. mCPBA 4. MeMgBr 5. H2O E. 1. Br2, hv 2. KOt-Bu 3. MCPBA 4. MeBr 5. H2O F. 1. Br2, FeBr3 2. KOt-Bu 3. mCPBA 4. MeMgBr 5. H2O G. 1. Br2, FeBr3 2. KOt-Bu 3. mCPBA 4. MeBr 5. H20