
When do you use Lindlar's catalyst over Na/NH3? For this
question, why was Na/NH3 used to make an alkene in the middle of
the process instead of Lindlar's?
H2 HBr Br Lindlar's NaNH2 catalyst Na, NH3 1) BH3 Br OH 2) NaOH H2O H2O TsC pyridine 2 H2SO4 HgSO4 OTs H20
Check work
HBe (2 eq) 1-CH,CH Br H-Cac- Na 2.NaNH, 3 (CH,), CBr Lindlar's catalyst Lindlar catalyst CH H20 H2, Pd C KMnO4 CH CH a
not real sure how to do H or K
Product(s) Reactants/conditions a. H2,Pt H2/Pd/BaSO4, quinoline Na/NH3 b. 2 eq, HCI H2SO4, HgSO4, H2O 1 eq, Cl2 2 eq. Cl2 1. NANH2 2. CH3CH2Br YR h. 1. Sia2BH/THF i. 2. H2O2/OH j. KMnO4, H2O KMnO4, NAOH NANH2, NH3 H2, Pd H2/Pd/BaSO4, quinoline k. I. m. n. Na/NH3 о. 2 eq, HCI p.
NaNH2 -CH₃ 2) OH CH3CH2Br H3C-EC-H * * CH3CH2CH2Br NaOH, H2O BH/THE H2, Pt CH3Br LI, NH3 (1) NaBH4 OsO4, NaHSO3, H20 Hz, Lindlar's Catalyst In each reaction box, place the best reagent and conditions from the list below. NaNH2 CH3 CH3CH2Br OH H3C-CC-H - - ker CH₂ + HCl CH3CH2CH2Br HO NaOH, H2O BH/THF CH3BT H2, Pt LI, NH3 (1) NaBH4 OsO4, NaHSO3, H20 Hz, Lindlar's Catalyst
Predict all possible products with stereochemistry if applicable. 1.03 2. Zn, AcOH H2, 25 °C 2. W Lindlar's Catalyst 1. Bre, CCIA 2. excess NaNH, NH3(1) 3. H30+ 3. 1 % Pd(PPh34 Š a le in reprehen 4. 100 °C 1. Na, NH3 (1) 2. H2O
Carboxylic acid problems 1) KMnO4, NaOH 1) KMnO4. NaOH Heat 2) H30 Cr Heat 2) H2O*cr 1) Ag20 or Ag(NH3)2*OH 1) Og 2) H,02 H2) H30°C KMnO4 CH3(CH2)6CH2 CH2(CH2)CH2COH C=C HH H30+ Oleic acid HO 1) KMnO4, NaOH Heat 2) H30*cr CH3 CH3CHCH2CH2CH2OH 4-Methyl-1-pentanol H30+ OH 1) H.CO. CH3CH2CH2CH2CH2CH Hexanal CHE 212 CH 15 & 16 Cathexaulic Acids. 22
In each reaction box, place the best reagent and conditions from the list below. OH H-CEC-H CH3CH2CH2Br H2O2, NaOH, H20 Na, NH3 (1) Cros, H2SO4, H20 NaOH CHBr BH3/THE CH3CH2Br H2, Pt Hz, Lindlar's catalyst NaBH4 NaNH2
1. Road-map: NaNH2 1. LDA 2. CH,Br Na/NH 1. O3 2. DMS H2, Lindlar's cat. 1. KMnO4 OH, heat 2. Н,о* 1. OsO4 2. H2S Br2, H2O NaH
OH H20 H2SO4 ОН H2, Pd (1) MCPBA (2) H30+ KMnO4 NaOH, cold
please help
Br Br 1) Excess NaNH2 ? 2) EtC 3) H2, Lindlar's catalyst Draw the expected final product in the box below. Edit 1) NaNH2 2) Mel H CEC H ? 3) 9-BBN 4) H202, NaOH Draw the expected final product in the box below. Edit 1) NaNH2 2) Mel H CE C H 3) NaNH2 4) Et 5) Na, NH3() Draw the expected final product in the box below. ? Edit 1) NaNH2 2) Et H C C...