HCl is added to the epoxide below. On which carbon (A-D) is C1 most likely to add to form the major organic product? A B H3C A B HC C H₂ CH₂ D
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- what is the major E1 product for the structure?Match 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 solventselect the most appropriate reagent(s) to effect the change. K2Cr2O7, H+ H2, Pd 1. Disiamylborane, 2. HO–, H2O, H2O2 NaOCl H2SO4, HgSO4
- 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:Draw curved arrows to illustrate the mechanism for the reaction of 3‑methylbutan‑1‑ol and HBrHBr. The starting material and intermediates have been pre‑drawn for your convenience.Why are SN1 reactions favored by polar protic solvents? Group of answer choices Polar protic solvents stabilize reaction intermediates Polar protic solvents cannot form hydrogen bonds. Polar protic solvents contribute leaving groups. Polar protic solvents contribute leaving groups.
- select the most appropriate reagent(s) to effect the change. 1. Disiamylborane, 2. HO–, H2O, H2O2 H2, Pd K2Cr2O7, H+ NaOCl H2SO4, HgSO4Put the following leaving groups in order from best leaving group to worst leaving group: I Br Cl FWhich nucleophile would prefer simple addition over conjugate addition? CH3MgBr NaCN CH3CH2NH2 (CH3CH2)2CuLi