Propose a mechanism for the following reactions. There may be more than one produc dentify whether product is the result of an SN1/SN2/E1/E2 mechanism. a. b. C. d. e. H₂CH₂CH₂CH₂C H₂N (±) H H H₂O high concentration Br Br H Br HO H₂O 1-butoxide e OH® HCI H₂CH₂CH₂CH₂C CI
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- What is the predominant mechanism by which this reaction occurs? Select one: OA. E2 OB. Sn2 O C. E1 OD. Sn1 I list. THF L; ⒸIdentify the best reagents to complete the following reaction. 1. NaOH A 2. CH3CH2CH2NH2 1. HCI В 2. CH3CH2CH2NH2 ОН CH3CH2CH2NH2 C 1. SOCI2 D 2. CH3CH2CH2NH2 1. CH3CH2CH2NH2 E 2. SOCI2 NH,write mechanism ? CN O H 1. HO. OH H+ (1 equiv.) 2. a) LIAIH4 b) H₂O work-up 3. H+
- 3. Provide mechanisms for the following reactions. OH a. 18OH b. C. HO H₂180 cat. H H₂O -C=N: cat. H* 180 →EtOH + CH3CH₂CH₂CO₂H cat. CH3SO3H NHWhat is the product of the illustrated mechanism? A A B B C C D D HAC H₂C A H- ,CH 3 O: H3C. CH3 ? H3C H3C. , CH 3 H3C. H3COH ధర్మం , వ O: HAC H3C P CH3 H B D CH3Q#5 Show the reaction mechanism AND draw the constitutional isomer formed in each reaction. HCI a. H2O b. H2SO4 [1] BH3 С. [2] H2O2, HO- Br2 d. H2O H20 H2SO4 е. e.
- 5.To draw the structure of major product and relevant arrow-pushed stepwise mechanism: Br Br Me₂S CO₂Et + EtO₂C H 6. To draw the structure of major product and relevant arrow-pushed stepwise mechanism: 1. LDA 2. BuBr ? R 3. workup3. Provide mechanisms for the following reactions. a. OH b. C. Н2 180 18OH cat. H 180 H₂O cat. H+ EtOH + CH3CH2CH2CO₂H NH cat. CH3SO3H HO C=N:5. Predict the major product for each of the following reactions. Include stereochemistry when appropriate. Draw the mechanism for each reaction. a. b. C. d. e. Br CI OH CI H₂O NH3 OTS NaCN MeCN KOPh acetone
- 50. Which illustration accurately shows the curved arrow mechanism for the initial step formation of the product shown? A. I НО I II III IV V НО НО НО НО НО B. II ОН COH OH H-O Н- ОН 0 OH H-O ОН H-O H2SO4 0=0= С. III -ОН -ОН -ОН OH -OH D. IV E. V theWhat is the product of the nucleophilic substitution reaction below? CH₂ OCH; CH₂CH₂CHCH₂CH₂Br Select one: O a. O b. O C. O d. CH, CH₂CH₂CHCH₂CH OCH; CH₂ CH₂CH₂CHCH₂CH₂CH₂ CH₂ CH₂CH₂CHCH CH₂OH CH; CH₂CH₂CCH CH Br OCH,NaNHCH,CH3 and 1-iodo-2,4-dimethylpentane are combined in a flask. Which mechanism(s) take place? O A. No reaction O B. SN2 О С. Е2 O D. SN1/E1