Select the reagent that you would use to convert an alkene to an epoxide. mCPBA 03, then DMS BH3-THF, then H2O2, H2O, NaOH Hg(OAc)2, H2O, then NaBH4
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- Draw a detailed, step-wise mechanism for the reaction shown below. SHOW ALL BOND-FORMING AND BOND-BREAKING STEPS. SHOW ALL INTERMEDIATES. 1) NaOH 2) H3O* H3C H3C HOThe reaction of methylpropene with HBr in ether gives one of the two products below as the major product. Br HBr Br ether Product A Product B Product would have a higher energy transition state for the formation of the intermediate leading to it. O A O B O Both products would have the same transition state.Identify the major product of the following reaction sequence. 1) [H*], H₂NNH2, (-H₂O) 2) KOH/H₂O, heat HO₂C HO₂C HO CO,H OH OH There is no reaction under these conditions or the correct product is not listed here.
- Consider the following SN1 reaction: (CH3)3CBR + H2O → (CH3)3COH + HBr What is the effect of doubling both the t-butyl bromide and water concentrations on the rate of the reaction? O doubles the rate O quadruples the rate O triples the rate O halves the rate O no change O quarters the rate O 1/16th the rateBr CH3OH + Br-Br H3CO The mechanism proceeds through a first cationic intermediate, intermediate 1. Nucleophilic attack leads to intermediate 2, which goes on to form the final product. In cases that involve a negatively charged nucleophile, the attack of the nucleophile leads directly to the product. +Br + CH3OH Br Intermediate 1 Intermediate 2 (product) In a similar fashion, draw intermediate 1 and intermediate 2 (final product) for the following reaction. OH + Br2 + HBr Br racemic mixture • Pay attention to the reactants, they may differ from the examples. In some reactions, one part of the molecule acts as the nucleophile. • You do not have to consider stereochemistry. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate intermediate 1 and intermediate 2 using the → symbol from the dropdown menu.22. Draw all the alkene products that can be prepared in the following E2 reaction. Circle the alkene that you expect to be the major product based on Zaitsev's Rule. Use curved arrows to show how the major product forms. ما "OC(CH) analghaq my2A 16nsiqi UnA 2 ebileria lenims ocation intermediate affect the rate of an El reaction? mainsroom 13 no 101 ws! sbubal .mainsrbM 13 phen Snobia to mzinaroam bevlovni el sisibamish 149
- Show how the product formed as a result of the reaction can be synthesized using the starting materials given below. Any reagent needed can be used and you may need more than one step. c) HO, al OH d) b) ОнVoltooi die volgende reaksie en stel 'h meganisme voor. Complete the following reaction and propose a mechanism. 1) CO2, P, A 2) H20, H*Can you help me add these reactions? Ch4+OH→Ch3O2+H20CH3O2+HO2→CH3OOH+O2CH3OOH+OH→HCHO+OH+H2OHCHO+OH→CHO+H20CHO+O2→CO+HO2CO+OH→CO2+HO2
- #16c. Provide the missing reactants, reagents, or products for the following reaction sequences below.Select the correct reagents to carry out the following multi-step synthesis. CH3 CH2-Br CH,-OH CHO step 1 step 2 step 3 step 4 step 2 NJOH step 3 PCC CHICI, AICI3 step 4 N8S step 1 n the others.Answer the question below the reaction. H3C H3C H3C OH H3C In the second step of the reaction mechanism, which of the following is formed? CH3 CH3 CH3 + Excess NH4Cl CH3 CH3 CH3 CH3 H₂SO4 CH3 CI ха +H2O