
Provide the major product for the t spntheses below, Make sure to show stereochemistry on final...
3. (21 points) Provide the major product for each reaction below. Be sure to indicate appropriate stereochemistry when OH HBr 90°C CH,CH OH Br CH,CH, ONa CH,CH, OH NaN, acetone - water (solvent) н,со, 1. TSCI, pyridine 2. LiBr, acetone 9. H.Co
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
• Please provide the major organic product(s) of the reaction as described. Account for all stereochemistry requirements for reaction and products. You need not include byproducts such as salts for this assignment, but you should be aware of their presence. "No reaction" is NOT a possibility on this assignment. Starting Material Conditions Major Product(s) ОН PB13 Et20 NaCN OMs DMF Br NaNH2 DMSO, 20'C 8 hr
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"
4. (12 marks) For each of the following reactions, predict the
MAJOR product with correct stereochemistry.
4. (12 marks) For each of the following reactions, predict the MAJOR product with correct stereochemistry. NaSCH3 CH3SH (b) - Se(CH3)2 DMF SelfH3)2, con "ayam HD M NaOH sH - hint: product has a S atom in a ring (d) ethanol fone come NaCN acetone CH3 ci+H 1 eq. NaN3 DMSO HOH CH3
please help
15. Predict the product. Be sure to show stereochemistry OsO4 H2O2 mCPBA H2SO4 (aq) mCPBA 16. Draw out the complete mechanism for the chlorination of What is the name of the intermediate? 17. Draw the product(s) from ozonolysis of > I T Op> (CH3), 18. Draw the product KMnO4 KMnO4 dilute -OH
organic chem. show final product(s) and its stereochemistry if
appropriate for each reaction.
Br2 hv 1OH 1. HBr 2. CH3COOH CH3 CH2CH3 Br CHO DMSO CH
1. Predict the major substitution product(s) for the following reactions. Include stereochemistry if appropriate. You may assume an aqueous workup is performed after each reaction. 1. Nah, DMF ТОН 2. Mel BrMg-Ph KCN 16 { ad ton ot MeOH HD Na Br Me DMSO EtOH Br ~ Br DMSO * Me OH LNH2 M HO Me-S (1 equiv) Me DMF
1. For each of the following reactions, provide the structure of the major organic product(s). Show all the relevent stereochemistry clearly. who CH2OH reflux CH2CH3 Na SET Br DMSO, 20 °C I- A to CH2CH3 CH3 H- EtOH OTS 20 °C Me NaNH2 NH2 DMSO dilute solution of substrate 2. Complete each of the following reaction by providing reagents and conditions (solvent. temperature, concentration, etc.) so that the product shown will be the major one. Note: for c), two steps...
(12 marks) For each of the following reactions, predict the MAJOR product with corre stereochemistry. (e) NACN acetone (f) CH3 -н 1 eq. NaNa DMSO -H OH н- CHз