6. Starting with propyne, outline syntheses of the following (a) hex-2-yne (b) (E)-pent-2-ene (c) (Z)-pent-2-ene
3) Show how hex-1-yne might be converted to: a. 1-bromohex-1-ene b. 1,1,2,2-tetrabromohexane C. 2-bromohex-1-ene d. 2-bromohexane e. 2,2-dibromohexane 4) For each compound, give the product(s) expected from (1) HgSo./H2SO4-catalyzed hydration and (2) hydroboration-oxidation. a. hex-1-yne b. hex-2-yne c. hex-3-yne d. cyclodecyne 5) Predict the product(s) you would expect from treatment of each compound with (1) dilute, neutral KMnO, and (2) warm, basic KMnO, then dilute acid. a. hex-1-yne b. hex-2-yne c. hex-3-yne d. 2-methylhex-3-yne e. But-1-ene → butan-2-ol 6) Show...
Which of the following reagents should be used to convert hex-3-yne to (Z)-hex-3-ene? A) H2, Pt B) Na, NH3 C) H2, Lindlar's catalyst D) H2SO4, H2O E) HgSO4, H2O
What is the stereochemical relationship of (Z)-pent-2-ene and (E)-pent-2-ene? a. conformers b. structural isomers C. diastereomers d. enantiomers e.meso
Order the following in increasing heats of combustion: pentane, pentene, (e)-pent-2-ene, (z)-pent-2-ene.
Using Zaitsev's rule, choose the most stable alkene among the following. OA) (Z)-hex-2-ene B) hex-1-ene OC) (E)-hex-2-ene
(Z) or (E)-pent-2-ene gives racemic mixture after the reaction with bromine(Br2). Explain why.
outline labratory syntheses of each of the following compounds starting with benzene and any other reagents Outline laboratory syntheses of each of the following compounds, starting with benzene and any other reagents. (c) CI (a) p-nitrotoluene (b) p-dibromobenzene (c) p-chloroacetophenone (d) m-nitrobenzenesulfonic acid (e) p-chloronitrobenzene (f) 1,3,5-trinitrobenzene (g) 2,6-dibromo-4-nitrotoluene
1. You are attempting to make hexan-2-ol from a hexene through a hydration reaction. Hex-1-ene, hex-2-ene, and hex-3-ene are available to you. Which of these reactants is the best starting material to made hexan-2-ol, and why? i. Bi !!! 2. Which of the following represents a propagation reaction in the free radical bromination of ethane? Select one: a. CH3CH3 + Br2 - BrCH2CH3 + HBr b. •CH2CH3 + Bra -- BrCH2CH3 + Bro C..CH2CH3 + Br. - BrCH2CH3 O d..CH3...
Chapter 9 Organic Chemistry 1 Homework 7. Starting with ethyne, outline syntheses of each of the following. other needed reagents, and you need not show the synthesis of compounds prep carlier parts of this problem. (a) Propyne, (b) 1-Butyne, (c) 2-Butyne, (d) cis-2-Butene (e) trans-2-Butene (1) 1-Pentyne, (s) 2-Hexyne, (h) (Z)-2-Hexene (E )-2-Hexene, () 3-Hexyne, (k) ó b 8. Write structures for the maior arcanic products from the following reactions. Show stereoisomers where applicable. (c) (1) Na CL, (1 equiv.)...
10. (5 points)Predict the major products of the following reactions. a. cis-hex-2-ene+mCPBA in chloroform b. trans-hex-3-ene+peroxyacetic acid (CH3CO3H) in water c. l-methylcyclohexene+MMPP in ethanol