Which correctly identifies the major product and its stereochemistry for this reaction? IIBr, 11₂0₂ A) Tertiary alkyl halide, no stereocenter B) Tertiary alkyl halide, one stereocenter C) Secondary alkyl halide, no stereocenter D) Secondary alkyl halide, one stereocenter
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- Questão 10A certain hydrocarbon had the molecular formula C16H26 and contained two triple bonds. Ozonolysis resulted in CH3(CH2)4CO2H and HO2CCH2CH2CO2H as the only products. What is the reasonable structure for this hydrocarbon? Hexadec-6,10-dino undec-1,5-dino Hept-1,5-dino hex-1,5-dino nahWhich correctly identifies the major product and its stereochemistry for this reaction? IIBr, II₂O₂ A) Tertiary alkyl halide, no stereocenter B) Tertiary alkyl halide, one stereocenter C) Secondary alkyl halide, no stereocenter D) Secondary alkyl halide, one stereocenter BElimination reactions of cis- and trans-1-bromo-2-methylcyclohexanes with Eto in ETOH could potentially give the two products, 1-methylcyclohexene (1) or 3-methylcyclohexene (2). Which answer (a-d) indicates the major products for each reaction? Br „Br EtO Eto "CH3 ELOH `CH3 *CH ELOH "CH3 cis trans Select one: a. 2 from the cis and 1 from the trans substrate b. 2 both from the cis and trans substrates c. 1 both from the cis and trans substrates d. 1 from the cis and 2 from the trans substrate
- Draw a structural formula for the major organic product of the following reaction: CH3 CH3 ● CH3 CH3 AAVIL + Br₂ Show product stereochemistry IF the reactant alkene has both carbons of the double bond within a ring. • Do not show stereochemistry in other cases. ● If enantiomers are formed, just draw one. CH₂Cl₂ Sn [F ? ChemDoodleⓇPredict the dehydrohalogenation product(s) that result when the following alkyl halides are heated in alcoholic KOH. When more than one product can be formed, rank them in terms of their predicted stability (1 is most stable isomer, 2 the next most stable isomer, etc...) a) b) HD HD H CH3 ''CI H CH3 Br 'Br KOH EtOH KOH EtOH KOH EtOHWhat alkene is needed to synthesize each 1,2-diol using [1] OsO4 followed by NaHSO3 in H2O; or [2] CH3CO3H followed by −OH in H2O?
- 4. What are the products obtained from the following elimination reaction? Indicate the major product. CH3 CH,CH,ČCH, H2O 5. a) Determine the major product that is formed when the alkyl halide reacts with a hydroxide ion in an elimination reaction. CH;CH,CH,CH,CCH, Br b) For the major elimination product obtained in 5a), which stereoisomer (cis or trans) is obtained in greater yield? Draw the two isomers and provide the names of the compounds.Alcohols undergo an oxidation reaction to yield carbonyl compounds on treatment with CrO3. For example, 2-tert-butylcyclohexanol gives 2-tert-butylcyclohexanone. If axial OH groups are generally more reactive than their equatorial isomers, which do you think reacts faster, the cis isomer of 2-tert-butylcyclohexanol or the trans isomer? Explain.nent/takeCovalentActivity.do?16cal assigi [Review Topics] [References] Use the References to access important values if needed for this question. Draw a structural formula for the major organic anion formed when 2- ethylbutanal is reacted with Tollens' reagent. You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • If no reaction occurs, draw the organic starting material. P. opy aste CH4 ChemDoodle Previous Nex
- Draw a structural formula for the major organic product of the reaction shown below. C(CH3)3 CH2 + ether H3O + CuLi H3C 2 • You do not have to consider stereochemistry. + - 4 √n [ ? ChemDoodle ⓇWhen the alkene A was treated first with Hg(OAc)2 in MeOH and second with NaBH4 the product was the ether B. Using curved arrows please give the mechanism for the first step of (Hg(OAc)2 in MeOH) this reaction, including any regioselectivity or stereoselectivity. H3C 1. Hg(OAc)2, MeOH H3C O-CH3 =CH2 ✓ -CH3 H3C 2. NaBH H3C A BName the following organic compound: CH3 S CH CH3 CH 0 CH, CH, 3-methylsulfide-2-ethoxy butane 2-ethoxy-3-methylthio butane O 3-ethoxy-2-methylthio butane O 2-methylsulfide-3-ethoxy butane O 2-ethoxy-3-methylsulfide butane