12. Complete and write a mechanism for 3 of the following reactions. Watch out for stereochemistry....
Complete the following reactions and state the dominant mechanism f. 2-chloro-2-methylpentane + CH:ONa CH3OH → mechanism: g. 1-chloro-3-methylpentane + NaCN mechanism: h. 3-chloro-3-methylpentane + DBN → mechanism:
3) Write a complete Sn1 mechanism for the following reaction Also, 4) Write a complete Sn2 mechanism for the following. Please show transition state and list a good solvent as well. Thank you! 3. Write a complete Sn1 mechanism for the following reaction. Вт + CH3OH CH₃CH2 CH3 4. Write a complete SN2 mechanism for the following. Show the transition state as well. Also list a good solvent. OTS + NaCN H3C 3. Write a complete sul mechanism for the...
9. Complete the following equation and write out the mechanism. Show correct stereochemistry for the product. (3 points) ***** H, CH,CH,CH,OH
9. Complete the following equation and write out the mechanism. Show correct stereochemistry for the product. (3 points) shimoto H, CH,CH,CH,OH bigo
Question 29: Complete the boxes, drawing out the stereochemistry when appropriate. Include the full mechanism with arrows to show movement of electrons. For each A, B, C, determine if the final product is racemic, and if appropriate, draw the most stable chair conformer. BH HCI (conc) A 1-isopropyleyclohex-l-ene H4O2, NaOH B (15,25,3R)-1-chloro-2,3-dimethylcyclohexane SH ОН с (18,3R)-1-iodo-1,3-dimethylcyclohexane
Question 5) Write a complete stepwise mechanism to account for the following reactions. Show all intermediate structures and all electron flow with curved arrows (10 points each) OCH3 нсі (catalytic) н сон Сн,он
s. Write out the complete mechanism, using curved arrows and all intermediate(s), of a first-order elimination of 3-chloro-3-methylpentane with sodium ethoxide in ethanol (8 points). Be sure to write out major and minor products, and indicate why each is major/minor (5 points). Indicate the name of each step, and identify which reagent is concentration-dependent, kinetically (2 points). 4. For the second-order substitution reactions below, draw the expected product(s), if any (6 points). CI NaBr OCH3 NaN3 2
7. Predict the product(s) of each of the following reactions include stereochemistry where important and indicate the mechanism (S, S,2, El, E2). 80°C a 2-chloro-2-methylbutane NaOH Н.о b. (R)-2-chloropentane Nac c-H DMSO с1 (снс. Cн, CH,ОН d. trans-1-chloro-3-methylcyclohexane+ NaOC(CH) e. 2-chloro-3-phenylbutane Н.о f. trans-1-bromo-3-methyleyclopentane Nal acetone NaOCH THон g 2-chloro-2-methylbutane EIOH h R-3-bromo-2-methylpentane . trans-1-bromo-2-isopropyleyclohexane CHCOK NaSH Н,о j. 1-bromopropaе NaOCH снон CH коссH). I-bromobutane m. cis-1-chloro-3-methyleyclobutane Nal DMSO сHсH,он n. (R)-2-iodo-2-phenylethane NaOH o. 1-iodobutane p. 2-bromo-3-methylbutane KOC(CH). но (S)-3-chlorocyclopentene...
Complete the following reactions and state the dominant mechanism acetone b. (R)-2-bromobutane + Nash mechanism: c. (18,2S)-1-bromo-1,2-diphenylpropane methanol + NaOCH; mechanism: d. 3-chloro-2,2-dimethylbutane + NaSCH; mechanism: t-BuOH e. 2-chloro-2-methylpentane + (CH3),CONa H).CoNa BUCH mechanism:
Substitution and Elimination Reactions: Complete the following mechanism involving 1-iodo-2,2-dimethylpropane. Substitution and Elimination Reactions: Complete the following mechanism involving 1-iodo-2,2-dimethylpropane. 3 of 3 сH, CH3 Ag - CH Нас- Н,С. Н,о CHa он Edit the reaction by drawing all steps in the appropriate boxes and connecting them with reaction arrows. Add charges where needed. Electron flow arrows should start on an atom or a bond and should end on an atom, bond, or location where a new bond should be...