OH H,SO4 H3C-CH-CH2-CH3 H3C-CH=CH-CH3 H20 Acid-catalyzed dehydration of 2-butanol yields 2-butene as the major product. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. Arrow-pushing Instructions H H3C-CH-CH-CH3 H3C-CH=CH -CH3 H-o*-H H-ö-H
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- OH H₂SO4 HỌC–CH2–CH2CH3 H,C=CH—CH,—CH3 + H₂O Acid-catalyzed dehydration of 1-butanol yields 1-butene as the major product. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. Arrow-pushing Instructions H2C=CH=CH2CH3 NOC XT + OH₂ HỌC–CH—CH, CH3 I H H-O-HThe following series of reactions will yield 2) CI-CH2-CH2-C6H5 1) CH3CH2SH + N2OH O 2-chloro-4-ethyl-benzenesulfonic acid O CH;CH2-S-CH2CH2C6H5 O ortho-chloro-ethyl-benzene O 1-phenyl-3-chloro-propane O CH3CH2-O-CH2CH2C6H5Draw the line-angle formula of the enol formed in the following alkyne hydration reaction and then draw the structural formula of the carbonyl compound with which this enol is in equilibrium. -C=CH 1. (sia)2BH 2. NaOH/H₂O₂ an enol carbonyl compound • You do not have to consider stereochemistry. • Draw both the enol and the carbonyl forms. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures using the sign from the drop-down menu. ChemDoodleⓇ <
- Reaction of 2-methylpropene with CH3OH in the presence of H₂SO4 catalyst yields 2-methoxy-2-methylpropane by a mechanism analogous to that of acid-catalyzed alkene hydration. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. Arrow-pushing Instructions ~^ XI H+ لم H +Provide the structure(s) of the expected major organic product of the reaction shown. 1) Disiamylborane 2) H₂O₂, NaOH OI O II ||| O IV OV CH3CH₂C(CH3)2C=CH OH OH xx xo IVBased on the given conditions, predict the organic product(s) of the following reaction. I highly recommend drawing the mechanism of the reaction before answering. Note: 2-propanol is both the nucleophile and the solvent in this reaction. CH3 CH3 人 HO (2-propanol) CI CH3 CI CH3 CI CH3 CH3 CH3 CH3 CH3 CH3 CH3
- Choose reagents to convert 2-cyclohexenone to the following compounds. Syntheses may require several steps. Use letters from the table to list reagents in the order used (first at the left). i 1. Li(CH2=CH)2Cu Reagents a 1. Li(CH3)2Cu 2. H3O+ e 1. Li(C6H5)2Cu 2. H3O+ b 1. NaBH4 f CH2l2/Zn(Cu) / ether j 2. H3O+ C NH3 / KOH g 1. CH3MgBr/dry ether k 2 H3O+ d H2NNH2/KOH h HN(CH3)2 HO CH3 a) b) OH N(CH3)2 2. H3O+ (C6H5)3P+-CH2 H₂ over Pd/C KMnO4/H3O+The reaction of 2,2-dimethyl-1-propanol [(CH3)3CCH2OH], also known by the common name neopentyl alcohol, with HBr is very slow and gives 2-bromo-2-methylbutane as the major product.Give a mechanistic explanation for these observations.The following sequence of steps converts (R)-2-octanol to (S)-2-octanol. Propose structural formulas for intermediates A and B, specify the configuration of each, and account for the inversion of configuration in this sequence.
- Give a mechanism that accounts for the organic products of this reaction. Your mechanism must include a transition state that accounts for the stereochemistry of the product and/or reactant. Redraw the reagents as needed. CI OH NaOH, DMSO + NaClTreating 2-methylpropene with methanol in the presence of sulfuric acid gives tert-butyl methyl ether. CH3 CH3 H,SO, CH,C=CH, + CH,OH CH,C-OCH, ČH3 Propose a mechanism for the formation of this ether.Propene reacts with hydrogen bromide (HBr) at room temperature to produce, 1-bromopropane and 2-bromopropane. H2C=CHCH3 + HBr → CH2(Br)CH2CH3 + CH3CH(Br)CH3 Draw out the reaction mechanism of the reaction between propene and hydrogen bromide to produce 2-bromopropane. Use curly arrows to show the movement of electrons. The description should be detailed and must include the type of bond fission that takes place. You may sketch and insert suitable diagrams to aid your description if you wish. Referring to the above mechanism, explain why two products are formed in the reaction between propene and hydrogen bromide?