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1. Fll in 8ach BaX With the starting materials that would lead to the indicated product....
II. Reactions: Predict the major organic product(s) or write the appropriate reagents/starting materials for the following reactions. Indicate stereochemistry and regiochemistry when appropriate. Indicate reactions that are expected to result in a racemic mixture of products DBr 1. Н.О, CHCI он HSO, heat кон 1) вн, THF 3. 2) H202. HO 1) Hg(OAc)2, CH,OH 2) NaBH, OH 5. Br2 SH 6. HIO4 OH THF, H2O "он III. Synthesis: Starting from the alkenyl bromide below, devise a synthesis that produces the...
7. Choose your own adventure.Choose one of the starting materials below, then treat ti with three of the reagents listed, showing the expected product after each step. (9 pts) Starting materials Reagents [H+], H2O H+], H20 NaBH4, EtOH 1. LiAlH4 2. H3O+ CH2-PPh3 NaOH(aq), then H30+ SOCl2 DIBAL Br2, hv 1. BH3, THF, 2. H202, NaOH TMSCI, pyridine PBr3 1. NaH 2. CH3CH2Br PCC H2, Pd/C CH3CH2OH Starting material Product 1 Final product Product 2
1. Provide products for the following reactions. Show appropriate stereochemistry where appropriate. HI H2SO4 CH,OH 1. Hg(OAc),/H,0 2. NaBH4 1. BH; 2. H,Oz/NaOH H/Pd H2SO4/H2O 4. Provide the missing reagents or starting materials in the following reactions. OH Br HO 1. Br2 2, NaNH (excess) 3. H2O
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
3. Fill-in-the-blanks: provide the starting material(s) and major product(s). Indicate stereochemistry when present. Ph2PCHCH3 1) NaOH, Br2 A OH 1) LAH 2) H3O+ 2) H3O+ KCN HCN CH3COZH
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2 eq, HCI H2SO4, HgSO4, H2O 1 eg, Br2 2 eg, Cl2 1. NaNH2 2. CH2CH2CH2Br 1. Sia BH/THF 2. H2O/OH KMnO4, H2O bb. KMnO4, NaOH H/Pd/BaSO4, quinoline H2, Pt Na/NH3 2 eq, HCI H2SO4 HgSO4, H2O 1 eq, Br2 2 eq. Br2 + 1. Sia BH/THF 2. H2O/OH KMnO4, H2O KMnO4, NaOH gg.
1. PREDICT THE PRODUCT: Provide the structure of the major product expected from the following reactions or reaction sequences. Make sure you account for any regio- and/or stereochemistry! (24 pts.) H2O 1. Hg(OAC), CH, OH 2. NaBH H2SO4 H20 1) BH-THF 2) H202, KOH HBr Bry, H2O HBr ROOR 1. BH3-THF 2. H2O2, NaOH H20, H2SO4 1. NaNH2 H2 H-CEC-CH2 CH2 CH3 2. CH CH Br Lindlar cat 1. Sia BH-THF 2. H2O2, H2O
Provide the major product(s) for the following reactions: Show
Stereochemistry when necessary
HBr Br2 CH2Cl2 HBr Br2 ROOR H20 H2O СН,ОН H30* 1) BH3, THE 2) H2O2, NaOH, H2O 1) Hg(O2CCF3)2 CH3OH 2) NaBH4, NaOH 1) Hg(OAc)2, H20, THF 2) NaBH4, NaOH H2 Pd/C
1. (24) Write structural formulas for the major organic product(s) for the following reactions. Be sure to indicate the stereochemistry when relevant. HC CH=CH2 H CH,OH CH2OH 1. Na, liq. NH (b) CH,CH.C=CCH CH3 HẠCH, B, P NH, 2.D2, Pt Cl2 HC CCH2CH=CH CH,CH HCC CH,Cl2 1. BH/THF (d) CH,CH,C=CH2 2. H,02, HO", H0 CH -0.47- CH; Br2 excess NaCl 1. 03,-78°C 2. (CH3)2S woboto (h) + Br₂ -
2. Draw, in the provided spaces/ boxes, the major organic products of the following transformations. Be sure to indicate appropriate stereochemistry. If the reaction generates enantiomers, draw one and write tenantiomer' 1. Cl2, H20 2. NaOH На Pd/C 1.Hg(OAc)2 CH,OH 2. NABH 1. CH CO H 2. Hао* Н,с" HC @) 1. ВНа, THF 2. H202, NaOH Br2 CH2CI2 (E)-5-methylhept-3-ene MeOH conc'd H3PO4 ОН Br NAOCH3