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- Arrange the alkenes in each set in order of increasing rate of reaction with HI and explain the basis for your ranking. Draw the structural formula of the major product formed in each case.Draw the ALL of the E2 organic product formed when the structure shown below undergoes dehydrohalogenation in KOH with heat.13.45 What reagents are needed to convert cyclopentene to (a) bromocyclopentane; (b) trans-1,2-dibromocyclopentane; (c) 3- bromocyclopentene?
- The compound 5,9,12,16-tetramethyleicosane was synthesized as part of a study of the male sex pheromone of a Brazilian bug that feeds on the leaves and fruit of tomato plants. (J. Chem. Ecol. 2012, 38, 814-824) The synthesis of this alkane was reported using compounds A-C.Dehydration of 1,2,2-trimethylcyclohexanol with H2SO4 affords 1-tertbutylcyclopentene as a minor product. (a) Draw a stepwise mechanism that shows how this alkene is formed. (b) Draw other alkenes formed in this dehydration. At least one must contain a five-membered ring.Kindly give me complete answers thanks..
- 6) 25pts. Draw the structure of the major alkene product (or products) formed by treatment of each of the following haloalkanes with sodium ethoxide in ethanol. Assume the mechanism is E2 elimination. t-BuO K t-BUOH Br CH3 Eto Na F ETOH CH2CH3 CI H- Eto Na -CH2CH3 ELOH H- ČH3 Br Eto Na ELOH CH3 CI, H Eto Na CH2CH3 H3C H D ELOHDraw the product obtained when cis-2-butene is treated first with Br2 in CH2Cl2, second with NaNH2 in NH3, and then finally with Li in NH3.Draw the products formed when both cis- and trans-but-2-ene are treated with OsO4, followed by hydrolysis with NaHSO3 + H2O. Explain how these reactions illustrate that syn dihydroxylation is stereospecic.

