
H3COEU H3C, H a) NaBH4, H2O b) i. DIBAL-H, CH2Cl2, ii. H30+ c) Br2 (excess), NaOH,...
Predict the products of the following reactions.
a.
b.
c.
(1) excess CH Mg! CI (2) H30* (1) DIBAL-H (-78 °C) (2) H30 OCH (1) DIBAL-H (-78 °C) (2) 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
What would be the final organic product of the following reaction? ? i. DIBAL-H.-78°C ii. H30* HO
2. Choose the reagents and reaction conditions required to accomplish each of the following transformations OH Z-I OH a) NaOH, H2O, NH3 b) i. SOCl2 ii. NH3, iii. Br2 / NaOH, iv. H30+ c) NH3COCl, heat d) CH2N2, diethyl ether
23) Select the best reagent(s) to accomplish the following transformation. a) i) 2 CH3CH2MgBr; ii) H30+ c) CH3CH2Br b) i) (CH3CH2)2CuLi; ii) H2O d) i) 2 CH3CH2Li; ii) H30+ 24) Select the best reagent(s) accomplish the following transformation. NH2 a) i) LiAlH4; ii) H30* c) H2O b) SOCI d) H30, heat
14. Provide all of the organic products for the following transformations: A. Å Br2, CH2CL2 B. 1. Hg(OAC)2, H2O 2.NaBH4 OH C. SOCI2 CH3 Me D 1. BH3 2. NaOH, H2O2
17. Use ANY needed reagents to effect the following transformation. (30 points) starting material product List of Reagents -N:C:N- KMnO4, H2SO4 8 00 (CH3),COCOCOC(CH3)3 Ag(NH3)2+, 120 Fe, HCI KMnO4, NaOH, H2O, cold AlCl3 Bra (excess), NaOH (excess), H20 Brz, Fe Br2, H20 Br2, H2O, H3O+ Br2, hy Br2, NaOH (excess), H2O Br2, P Buli CF3CO,H CH;=0 Formaldehyde оо CH3COCCH o CH_CC1, pyridine H2, Lindlar's catalyst H2.Pd/C H2, Pa/C, high pressure H, Raney-Ni HANNH HENNH, KOH, (HOCH2CH2)20, heat H2O H20, H2SO4,...
Choose the best reagent(s) for carrying out the following conversion from the list provided below. a. 1. e. f. g. CH3MgBr, ether H307 PBr3 NaOH (CH3)3SiC1, (CH3CH2)3N CH3MgBr, ether H30+ LiAlH4, ether 1. p-TosC1, pyridine 2. NaOH CrO3, H2SO4, H2O 1. NaBH4, ethanol 2. H30 Dess-Martin periodinane , CH2Cl2 1. h. 3. d. 1. H30+ HO CH: OH
1. Cl, H20 2. NaOH 3. CH3CH2MgBr 4. H30* 1. Mg 2h) 2. H₃C.. 3. H30+ 1. SOCI OH 2. DIBAL"H 3. H30* OH 1. NaOH 2j) 2. CH3CH2CI 3. O o 2k) [ N-H H20. STAB OH 2)) 1. NaOH 2. CH3CH,CI 3. O o IN-H 2k) H30*. STAB 21) 1. 2 KCN, HCN 2. LiAlH4 3. H30+ 4. H2, Pt
Which of the following would serve as syntheses of (CH3)3CCO,H? i. Br2, ROOR ii. Mg. E, ii. CO2 iv. H307 i. Br2, ROOR ii. CN iii. OH®, H20, heat iv. H30+ i Cly/OH" (excess) ii. H307 i. Brz, ROOR ii. Mg. E, iii. CO iv. H307 i Cly/OH" (excess) ii. H30* X 1950F (exces) and i. CIV/OH" (excess) ii. H30* and i Bry. ROOR ii. CN ii. OH", H20, heat iv. H30*