Practice: Write the products for the following reactions. Propene Cyclohexene HBr | CH 3 CH Br...
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
3. Complete the following reactions of the compound shown by drawing the correct products with CORRECT stereochemistry if important (10 pts). Br Br2 in H2O 1. O3 2. MegS HO H2/Pd OP A01018 1. Hg(OAc)2 in THF/Water 2. NaBH NaOH 1. BH3-THF 2. H2O2, NaOH estolqind, ( ym peroxyacid he anolbe o s HBr HBr/peroxide 1. OsO4 2. NAHSO3
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
1. Give the major product of the following reactions, write NR. if no reaction happens. Indicate the stereochemistry if necessary CHCI KOC(CH3). (CH),COH 1. conc. HBr, heat 2. KOBU, HOBU 1. NaOM, MOH CI 2. BICN 1. 1 eq. BH3. THE 2. H2O2, NaOH, H2O 3. Hg(OAC), MeOH 4. NaBH4, NaOH, H2O 1. conc. HCI 2. LDA, THF 3. O. CH,OH 4.(CH), 1. Hg(OAC), THE 2. NaBH, NaOH, H2O > OH (Hint: product has a bicyclic ring)
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
1. Predict the products of the following reactions. CH3 TsCl Pyridine NaCN CH3 PBr3 Pyridine NaCN (1) BH3:THF (2) H2O2,OH H2SO4(cat.) H2O (1) Hg(OAc)2 (2) NaBH/OH 2. Write the mechanism of the following reactions он но он Ph BF3 Ph
NaBH4 CC Hg(OAC)2 H20, THE NaOH 1. Hg(O2CCF3)2, 'ProH 2. NaBH4, NaOH 1. BHz •THF 2. H2O2, HOⓇ R-OH + Nax — NaCN DMSO TSCI pyridine ОН MSCI pyridine NasMe DMSO cat. HA MeOH + g. Arrange in the Increasing acidity order HẠO ROH RC=CH HA NHA RH. cold KMnO4, HOor 1. Os04 2. NaHSO3 MICH3 1. mCPBA 2. H+, CH3OH, H2O 1. mCPBA 2. NaOCH3, H20 H2O / H+ Hg(OAC)2 H2O, THE NaBH4 NaOH 1. BH3 THF 2. HaO2...
Predict the major organic product of products of each of the following reactions. a) (CH),CHCH-CH- H2SO4 HO b) (CH3),CHCH=CH, 1. Hg(OAc), H2O 2. NaBH 1. BH3-THF c) (CH3),CHCH=CH2 2. H2O3, NaOH
3. Give the major product for the following reactions. Proper stereochemistry On your (shape, geometry) is required / chirality may be ignored. Watch out for carbocation O rearrangement, and proper geometry like cis/trans. (Be sure to check your work by working out reaction mechanisms - practice, practice, practice!) a. 2-methyl-1 pentene HBr b. 2-methyl-1 entene c. 3-methyl-1-pentene Hi0' d. 3-methyl-1 Dentene 1. Hg(OAc):/ROH 2. NaBH 1. BH. THF, 2. H1,0/OH-/H,0 e. 2-methyl-1 pentene f. 3-methyl-1 yclohexene Br, H20 Cl2 g...
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...