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- What is the major product of electrophilic addition of HBr to the following alkene? Explain your choice.In the presence of light or heat, diazomethane (CH,N2) creates a carbene, which then adds to an alkene to make a cyclopropane. In the boxes below. draw the mechanism arrows for the reaction. H INEN: INE N:Draw the ALL of the E2 organic product formed when the structure shown below undergoes dehydrohalogenation in alcoholic KOH with heat. Which of the products is formed the most?
- Need to check answersConsider the following reaction. CH3CH₂CH=CHCOH HCI CH3CH₂CH CHCOH c₁ CH3CH₂CH- H O CHCOH H CI this product is not observed Account for the fact that this reaction yields only a single product by drawing the carbocation intermediate leading to the observed product.Which of the following would likely to give racemic product upon substitution reaction with hydroxide ion and have [o]p=0? IV O O O O
- For each reaction, decide whether substitution or elimination (or both) is possible, andpredict the products you expect. Label the major products. chlorocyclohexane + NaOCH3 in CH3OHCH3 O O CH3CH₂CHCH₂CH=CHCOH HCI CH3 CHOMO CH3CH₂CHCH₂CH- CHCOH ChemDoodleⓇ CI H CH3 CH3CH₂CHCH₂CH- O CHCOH H CI this product is not observed Account for the fact that this reaction yields only a single product by drawing the carbocation intermediate leading to the observed product. Sty √n [FDraw the alkene that would react with the reagent given to account for the product formed. ? + HCI My 3 You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. CH3 CH₂ CHOCH3 TT CI CH3 L ▼ {n [F ? ChemDoodleⓇ
- What is (are) the major organic product(s) obtained from the following reaction? Br2 O (2R,3R)-dibromobutane meso-2,3-dibromobutane O (2S,3S)-dibromobutane O Racemic mixtureFor the following reaction, decide whether a solution of the products would be optically active or not and why. You will need to know the product of this reaction in order to solve this problem. To preview the image click here Br CH3 Na: CEN: acetone O Not optically active, achiral product is formed O Not optically active, racemic mixture is formed O Not optically active, a meso compound is formed O Optically active, a single enantiomer is formedIdentify the carbocation intermediates first formed in the following reaction. Will rearrangements possibly occur? What major product is formed? $ HCI