Answer them accordingly thank you!
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Answer them accordingly thank you! Question 1 a) Give the mechanism for the reaction below: 3-ethyl-3-methyl-1-pentene...
In an addition reaction to an alkene, the pi bond plays the role of nucleophile electrophile leaving group Select the product that results from the anti-Markovnikov/syn addition of H and OH to the following alkene. I II III IV What is the IUPAC name for the molecule shown below? 3-(l-butynyl)pentane 5-ethyl-3-octyne 3-ethyl-4-heptyne 5-ethyl-3-heptyne What would be the major product obtained from the addition of HBr to 2-methylpentene? 1-bromo-2-methylpentane 2-bromo-2-methylpentane 3-bromo-2-methylpentane 1-bromo-2-methylpentene What is the reaction product when 4-methyl-2-pentyne is reacted...
Provide the major organic product obtained in each step of the reaction scheme shown below. Show all work for full credit. (Thanks ahead!) 2 of 6 1) (12 pts) Provide the major organic product obtained in each step of the reaction scheme shown below: (use the space provided below to give your answer) 1) BH3, ether; NaOH, H202 2) PCC 3) methyl magnesium bromide 4) NH4Cl -> ??? 1-pentene
Which of the following gives a correct reagent/product combination when a reaction with 2-methyl-2-pentene is performed? More than one answer is possible. A small penalty will be applied for incorrect answers. Select one or more: 0 a. Reagent: dilute H2SO4; Product: 2-methyl-2-pentanol 0 b. Reagent: HCl; Product: 2-chloro- 2-methylpentane O c. Reagent: H2/Pd; Product: 2- methyl-2-hexyne O d. Reagent: Cla; Product: 3-chloro- 2-methylpentane 0 e. Reagent: cold, dilute KMnO4; Products: propanone + butanal
3. Give the structures of the two products for addition reaction of HCI to 3-methyl-1-pentene (1 point), Point out which one is the major product, and explain why! (Hint: dont forget carbocation rearrangement) 4. The transformation of the alkyl chloride shown below into the alcohol can be accomplished in two steps. Show the synthetic scheme to finish the conversion. (1 point) OH
for f - j draw structures pls help with #1 as well f) 4-methyl-2-pentene 9) trans-8-ethyl-3-undecen h) E-5-bromo-4-chloro-7,7-dimethyl-4-undecene i) Z-1,2-difluoro-cyclohexene i) 4-ethenylcyclohexano Predict the major organic product or products of each of the following reactions. a) (CH3),CHCH-CH: H2SO4 HO b) (CH3),CHCH-CH, 1. Hg(OAc), H20 2. NaBH4 1. BH-THF c) (CH3),CHCH-CH2 2. H,O, NaOH
Bonus 3. Give the structures of the two products for addition reaction of HCl to 3-methyl-1-pentene (1 point). Point out which one is the major product, and explain why! (Hint: dont forget carbocation rearrangement) 4. The transformation of the alkyl chloride shown below into the alcohol can be accomplished in two steps. Show the synthetic scheme to finish the conversion. (1 point) Он Br
• Please show the Reaction Mechanism for the formation of 1-Ethyl 1-methyl 1-phenyl methanol (Ethyl methyl phenyl carbinol) from Ethyl Bromide. Also, discuss the following cases with plausible explanations with the possible reaction schemes. a) Formation of any by-product(s) with excess EtBr b) Formation of any Isomers c) Relative yields of the Major products if EtCl is used instead of EtBr under same reaction condition Just give brief reason(s) for your answers showing structure(s).
Part 1What is the major product of the following reaction? a. 2-ethyl-1-pentene b.(E)-4-methyl-3-hexene c.(E)-3-methyl-2-hexene d. (Z)-3-methyl-2-hexene Part 2 What alkyl chloride gives the following as the only product upon treatment with a strong base? a. b. c. d. Part 3 Give the major product for the following E1 reaction. a. b. c. d. e. CH3 CH3CO Br CH3
2. Consider the reaction of 3-methyl-2-pentene with HBr: HBr Show the mechanism and give the product of the reaction.
3. Give the major product for the following reactions. Proper stereochemistry (shape, geometry) is required / chirality may be ignored. Watch out for carbocation rearrangement, and proper geometry like cis/trans. (Be sure to check your work by working out reaction mechanisms - practice, practice, practice!) a. 2-methyl-1-pentene + HBr b. 2-methyl-1-pentene + HBr/peroxide c. 3-methyl-1-pentene + H30+ d. 3-methyl-1-pentene + 1. Hg(OAc)2/ROH 2. NaBH e. 2-methyl-1-pentene + 1. BH3, THF, 2. H202/OH-/H20 f. 3-methyl-1-cyclohexene + Brz, H20 g. 3-methyl-1-cyclohexene +...