2. (4 pts) Using the curved arrows, provide a reasonable mechanism for the following reactions. Br...
draw curved arrows to show the movement of electrons in this step of the mechnaism. ХТ H но HаС. :он НаС. Hб CHз CHHЗ Hас Нас Next Previous :Br: Br: Cнз "CHз Hас HаС Br Н Н. -н Br н Br
2. Draw the mechanism of the following reactions using arrows to show the flow of electrons а. Br 2 eq. NaNH2 N Br b. p-TSOH is a strong acid like H2SO OH p-TSOH Гон Cн.Cl A d. NaBH Но D но. е. Н,о* он но н
raw the apropriate arrows (reversible, irreversible, no reaction) for the following reactions. (4 pts) Br +Br a) -C-o b) 7. Provide a curved arrow mechanism and predict the product for the following SN2 reactions. (9 pts) Br H2N a) b) C NachN Cl c)
1. (4 pts) Rank each of the following carbocations in order of stability (1 most stable and 4 least stable). н н сH н Н,с Н,с" H сH; CH3 Hас- H 2. (6 pts total; 2 pts each) Complete the following transformations by indicating the reactant structure or the major organic product(s). Place your answer(s) in the space provided. Be certain to indicate stereochemistry where applicable. Cl2 Он cat. H2SO H-о Br Br conc. HBra) сн сна 3. (10 pts...
2. Suggest a reasonable mechanism for the following reaction. Use curved arrows to show electron flow ( ОН Br2 HO
9. Draw the mechanism using curved arrows for the following reactions and provide the name of the reaction in the box (6 points each). Use extra space if necessary. Hg(OAC)2 NaBD4 OH THF, H,0 NaOH 40 entorn de o la o zo. com o Heat
8.43 Draw the complete, detailed mechanism (including curved arrows) for each of the following reactions occurring via (a) an S, 2 mechanism and (b) an Swi mechanism. Pay attention to stereochemistry * or Nuct —>?." o Br + NaOH - ? + NaOH - ? н,с fiv) + NaOH ? = > + KBr сн. '+NaOCH, —
7. Provide a curved arrow mechanism and predict the product for the following SN2 reactions. (9 pts) Br H2N a) O Na b) C Cl NaCN c) 7. Provide a curved arrow mechanism and predict the product for the following SN2 reactions. (9 pts) Br H2N a) O Na b) C Cl NaCN c)
4. Draw the mechanism for the following reaction using curved arrows. OH Bre, FeBr3 OH Br
Part B (2 of 2) Draw the curved arrows for Step 5 of this mechanism. Arrow-pushing Instructions no-xm НА Н 0: Step 5 CH3 CH3 نی IÓ I H3C CH3 H I- Η :0: Ι Η CH3 H3C Hgc H Η I- Part B (2 of 2) Draw the curved arrows for Step 5 of this mechanism. Arrow-pushing Instructions ООС Хm HzC CH3 Н- CH3 HẠC н—с CHỊ CH3 Step 5 НАС H3C :0 —н. :0-н