Give the organic product(s) formed in the following reaction: CH3CH2- I CH3 -CH₂CH3 Br CH3 CH3CH₂ C CH CH3 E and Z isomers Select one: O A. I O B. II CH3CH₂O Na+ OD. I and II II C. No reaction occurs CH3CH₂-C-CH₂CH3 GH₂
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- Draw the major organic product for the reaction between 1,2-dimethylcycloheptene and a cold, dilute solution of KMnO4.Devise a synthesis of the ketone hexan-3-one, CH3CH2COCH2CH2CH3, from CH3CH2Br as the only organic starting material; that is, all the carbon atoms in hexan-3-one must come from CH3CH2Br. You may use any other neededreagents.d. Reaction with CH3MgI (excess), ether; then H+/H2O e. Reaction with LiAlH4, ether; then H+/H2O f. Reaction with DIBAL (diisobutylaluminum hydride), toluene, low temperature; then H+/H2O
- The Grignard reagent is reacted with oxethane (four-ring cyclic ether) to giveprimary alcohol, but the reaction is slower than the reaction between ethyleneoxides. Write down the reasons for the reaction and explain the reasons why there was a differencethe reactivity between oxethane and ethylene oxide?Hydrogenation of alkene A with D2 in the presence of Pd-C affords a single product B. Keeping this result in mind, what compound is formed whenA is treated with each reagent: (a) mCPBA; (b) Br2, H2O followed by base? Explain these results.What is the major organic product obtained from the following reaction under low temperature conditions? A, B, C, or D?
- Organotin compounds play a significant role in diverse industrial applications. They have been used as plastic stabilizers and as pesticides or fungicides. One method used to prepare simple tetraalkylstannanes is the controlled direct reaction of liquid tin(IV) chloride with highly reactive trialkylaluminum compounds, such as liquid triethylaluminum (Al(CzHs)3). 3SnCl4 + 4Al(C2H5)3 → 3Sn(C2H5)4 + 4AlCl3 In one experiment, 0.160 L of SnCl4 (d= 2.226 g/mL) was treated with 0.346 L of triethylaluminum (Al(C2H5)3); d = 0.835 g/mL). What is the theoretical yield in this experiment (mass of tetraethylstannane, Sn(C2H5)4)? If 0.257L of tetraethylstannane (d= 1.187 g/mL) were actually isolated in this experiment, what was the percent yield?Devise efficient laboratory syntheses of ethers and epoxides, including the following:(a) The Williamson ether synthesis(b) Alkoxymercuration-demercuration(c) Peroxyacid epoxidation(d) Base-promoted cyclization of halohydrins(e) Formation of silyl ethersThe hydrocrbon B undergoes catalytic hydrogenation (H2, Pd/C) to give 1-isopropyl-4-methylcyclohexane. Using the ozonolysis products for B as a guide, reconstruct the structures of B.
- w how enols, enolate ions, andenamines act as nucleophiles. Predictthe products of their reactions withhalogens, alkyl halides, and otherelectrophiles. Show how they areuseful in synthesis.What is Saytzeff elimination? explain with reactionCompounds A, B, and C have the same molecular formula C4H8. They all react wotu H2/PtO2 to give the same compound. The reaction of A or B with H2O/H2SO4 or with BH3-THF, followed by treatment with a basic solution of hydrogen peroxide, gives the same compound, namely D. The reaction of C with H2O/H2SO4 also gives D. However, the reaction of C with BH3-THF, followed by HO-, H2O2 gives a new compound, E. Provide the identity of A, B, C, D, and E along with explanations of reactivity.