
1. Give the major product of the following reactions, write NR. if no reaction happens. Indicate the stereochemistr...
1. Give the major product of the following reactions, write N.R.
if no reaction happens. Indicate the stereochemistry if
necessary:
1. Give the major product of the following reactions, write N.R. if no reaction happens. Indicate the stereochemistry if necessary: CHCl3 KOC(CH3)3, (CH3)3COH 1. conc. HBr, heat 2. KOBU, HOBU ✓ 1. NaoMe, MeOH 2. BrCN 1. 1 eq. BH3, THE 2. H2O2, NaOH, H20 3. Hg(OAc)2, MeOH 4. NaBH4, NaOH, H20
1. Give the major product of the following reactions, write N.R.
if no reaction happens. Indicate the stereochemistry if
necessary:
1. conc. HCI 2. LDA, THE 3. O3, CH3OH 4. (CH3)2S N2 hv 1. Hg(OAC)2, THE 2. NaBH4, NaOH, H20 Y-OH (Hint: product has a bicyclic ring)
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 N.R. if no reaction happens. Indicate the stereochemistry if necessary: i 1. NaBH, MOH 2. H, H2O 3. conc. H2SO4, heat 1. LiAlH4, THE 2. H, H2O 3. MSCI, Pyr, 0 °C 1. SOCI, EIN -D 2. LAIH, ether 1. Li, hexane 2. i . THE 3. acidic work-up Jone's reagent ОН OH 1. PBT 2. NaCN, THE PH conc. H2SO4 NaCl 0°C conc. HBO OH heat
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
1) Reactions. Provide the major product for each reaction sequence, account for stereochemistry 1) PCC, CHCI 2) Bry, acetic acid 3) KOBU, A 4) NaOEI, ETOH, P CO- 5) H30 workup 6) THF, H.COPPA HC CH2 O e .cat. Pd(OAc) cat. PPh. DMF, EIN 2) LDA, THF. -78 °C 3) Chichen H3O* workup 4) NaBH, EtOH, then H3O+ workup 5) cat. TSOH, benzaldehyde (c) L AL SUO TESTE TO 1) cat. H2SO4. A лон 2) O3, CH, Cl, then (CH),...
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...
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
Predict the major product(s) of the following reactions. Show stereochemistry where appropriate. (i) -COH На (i) Pd/C OsO4 NaHSO3, H20 н СHC1, КОН (iv) i) ВН, THF CECH in) H,О, NaOH Li, NH3 (liquid) (vi) XX H/H20 (vii) Two Markovnikov products Draw the structure of alkene for each of the following reactions. он BH3, THF i)H202 NaOH он )Hg(OAc)2 H20 i)NaBH (iii CH O i) Zn/H +
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