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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- Consider the series of the trans effect: CO, CN-, C2H4 > PR3, H-, CH3- > C6H5- > NO2-, SCN-, I- > Br- >Cl- > py > NH3 > H20 What would be the major product of the following reaction? Select one:These reagents can produce ketones with alkynes A. BH3, THF, H2O2 B. KMnO4 C. O3 D. H2SO4, H2O, HgSO4Match the questions with the correct descriptions below: Sn2, E2 E1cb Sn1, E1 (anti) E2, E1cb Sn1, E1 2 steps poor leaving group 2 carbons removed from a carbonyl group carbanion intermediate 3°>allylic, benzylic>2°>1°>CH₃ carbocation intermediate Ist order reaction (r=k[RX]) H-X anti no intermediate 2nd order reaction (r=k[RX][Nu]) polar aprotic solvent
- Show the reaction mechanism for the formation of:a. RCONH2 from the reaction of RCOOR’ with NH3Pleas explain how this process occurs. Identify SN1, SN2, E2, E1, nucleophiles and electrophiles.Draw an alkyl halide and choose the best reaction conditions that would undergo an SN2 reaction to yield this product shown below.
- Classify the following reaction as an Sn1, Sn2, E1, E1cB, E2 reaction. Can you show me the leaving group and explain how to find a leaving group? And how to identify the other reactions?Show me the mechanism of this reaction using only 1 bromination. *R listed is NHCOCH3.How to prepare the following substance from an alkyl halide through an SN2 reaction.
- Propose a multi-step synthesis of the target molecule shown at the right, using the starting materials on the left and any other reagents you need. Show the reagents needed for each step and the product of each step. You will need 4 reaction arrows. Remember: Aldehyde + terminal alkyne anion in acid = alcoholGiven the following reaction sequence: What are the reagents for reaction 4? A) NaNH2 followed by EtOH B) NaNH2 followed by MeBr C) NaNH2 followed by EtBrIdentify the reagents from a to e in this reaction.