3. (21 points) Provide the major product for each reaction below. Be sure to indicate appropriate stereochemistry w...
3. (21 points) Provide the major product for each reaction below. Be sure to indicate appropriate stereochemistry when relevant ОН HB 90°C Xusuguay Br CH.CH, ONA CH,CH,OH * NaN acetone-water (solvent) 9. H.Co
VI. Reactions (21 pts) Provide the major product in the following reaction. If no reaction occurs, write "NR as the product. Show your work for each step!! Pay attention to Regiochemistry and Stereochemistry! TSCI EtyN 1. CHg-Br (xs) 2. Ag20, H20, A H-CI Et20 Sold lo no? NaBH CN a. NaNg, EtOH b. H20,4 OH 1. SOCI, pyridine 2. NaN, DMF 3. LIAIH, Et20
provide the structure of the major product formed in the following reaction CHM2220 Name Provide the structure of the major product formed in HBr 13 NBS (1 eq) CH C, light DMSO ONa н,с 15. Nal acetone 16 CH,CH20Na CH,CH2OH 17 CH,SNa Нс. Ethanol (pk, CH,SH-10.5) 18. HBr (aq) Н-о 19. CH2OH Вr Methanol 20. CHа CHSCH2ONA* CH2CH2OH 21. HBr Peroxides 22. Br CH,ОН 23. Methanol
VI. Reactions (21 pts) Provide the major product in the following reaction. It as the product Show your work for each stepll Pay attentio Stereochemistry! Product in the following reaction. If no reaction occurs, write" NR stepll pay attention to Regiochemistry and TSCI ElyN 1. CHy-Br (xs) 2 A0,0,H,O, A H-CI E-G NaBH,CN a. NaNs, EtOH b. H20, он 1. SOCI, pyridine 2. NaN, DMF 3. LIAIH, EL 0
1 Provide the major organic product of the reaction below, Clearly show the stereochemistry. 1: CHCOH 2 М.о 22) Draw the major organic product generated in the reaction sequence below. Clearly show the stereochemistry. Сн, 1. CH, со,Н 2. H,H,O 23) Draw the major organic product generated in the reaction below. Clearly show the stereochemis HCI CH3OH 24) Draw the major organic product generated in the reaction below. Clearly show the stereoch СH, OsO4 H20 25) Draw the major organic...
Give the major product(s) (indicating stereochemistry where appropriate) of each of the following reactions. он a) 2. 3. H (any strong acid) 1. HBr(1 equiv) MgBr, then 20 2. Mg then H20 OH c) 2. MeMgBr, then H20 3. PBr3, pyridine 4. NaCN 1. HBr (2 equiv) 2. NaNH2 (2 equiv) d) 1. BH3 2. HOOH, NaOH 3. TsCI, pyridine 4. NaSH
Provide the major product(s) for the following reactions: Show Stereochemistry when necessary (10 points total) Br HBr CH2CI Br2 HBr Но ROOR CH,OH Н,о н* Н,о° 1) Hg(O,CCF3)2 CH,OH 1) BН, THF 2) H,О, NaOH, Нао 2) NaBH, NaOH 1) Hg(OAc) Н0, THF/ Hа Pd/C 2) NaBH, NaOH
17. Draw the structure of the major organic product(s) for each of the following reactions. Indicate stereochemistry when appropriate. C(CH3)3 NASH Br (S)-2-bromononane - acetonitrile KOH CH,OH NaCN HE Br Acetonitrile C2H5 H, Br NaOH Acetone excess HBr ROOR HC1 + Br Na o DMSO
16. [10 points] (a) Draw the major product(s) expected for the reactions shown below. Indicate stereochemistry in the product when appropriate. (b) Classify each reaction as SN2, Sn 1, E2 or E1 or a combination of these if applicable. Br (a) + Xe K (CH3)3COH CI (b) K acetone (c) xi C2H5OH, A Br # Na Өс,н, + (d) OC2H5 C2H5OH (e) CH31 xo + K (CH3)3COH
Provide the major organic product (including stereochemistry if appropriate) for each of the following reactions: 3. 1) NaH а) (CH)-СHCH,ОН 2) (CH),СНОСH-CH,Br b) excess HI 1) Hg(OAc),/H,O 2) NaBHĄ/HO¯ 1) NaOH 2) PҺOH d) CH,CH,Br 1) BH3/THF 2) H-0,/Но" НCIZnClz он g) MCPBA h) 1) mCPBA 2) CH3O¯ 1) mCPBA 2) CH,ОН/Н"