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?
When do you use Lindlar's catalyst over Na/NH3? For this question, why was Na/NH3 used to...
The below reaction is accomplished with one reagent. Br The letters below represent all reagents you have learned in chapters 6-8. Which of the below reagents would you use to accomplish this process? Enter the ONE correct letter below. • a. H2SO4, H20 b.HBO c. Br2 • d. Br2. H20 e. 1) BH3 (or R2BH), 2) NaOH, H20 • f. 1) OsO4, 2) NaHSO3, H20 g. 1) O3. 2) CH3SCH3 h.mCPBA • i.H2.Pd/C j. NaNH2 k 2 eg NaNH2 ....
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...
In each reaction box, place the best reagent and conditions from the list below. In each reaction box, place the best reagent and conditions from the list below. 2 equiv. NaNHz excess NaNH2 CH3Br H20, H2SO4, HgSO4 Na, NH3 (1) H2O2, NaOH, H2O NaBH4 HBr Br2 CH3CH2Br H2. Lindlar catalyst BH3/THF PBr3
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
First we start with ______________and immediately add ______________followed by ______________ work up to give the new functional group ______________. Then treatment with ______________and ______________will give (syn / anti) ______________addition to give the ______________(stereochemistry) ______________(functional group) . The final product can be formed by adding ______________ . Br OH P) CH3CH2ONa, CH3CH2OH Q) (CH3)3COK, (CH3)3COH R) NaNH2, NH3 S) Na, NH3 T) H2 A) NBS B) Br2, CCI4 C) Cl2, CCl4 D) HBr E) HBr, ROOR F) H20 G) Hg(OAc)2, NaOH, H20 H) HgSO4, H2O, H2SO4 ) H30workup)...
In each reaction box, place the best reagent and conditions from the list below. BH3/THF PBr3 excess NaNH2 HBr H20, H2SO4, HgSO4 NaBH4 CH3BT H2O2, NaOH, H20 Hz, Lindlar catalyst CH3CH2Br Br2 Na, NH3 (1) 2 equiv. NaNH2
Identify the reagents to be used in the following synthetic schemes: (Specify the reagents you would use to carry out the conversion by using letters from the table. Write the letters in the order that they are used, e.g., abc.) Scheme1 CH3 CH3 CH3 CH3 OH Scheme 2 Br CH3 H3C CH3 CH3 a. BH3, THF then H202, OH h. NBS, CCl b. PBr3 c. Mg, ether then H3o* d. (CH3)2Culi e. Br2 f. NaNH2, NH3 g. H2O, H2SO4, HgSO4...
Predict the products of the following reactions. I will rate fast. Thank you in advance! excess NaNH2 THF Br Br H 1. NaNH2 2. CH3CH2Br H2SO4, H20 v MSO. MO H2, Pd/Baso quinoline, CH3OH Na, NH3 Na, NH, 1 equivalent HBr NaNH2 Br (excess) 1. Sia BH, THF 2. H202, NaOH h. HgSO4 H2SO4 H20
Select the best reagents for each of the following transformations. You should only use each set of reagents once. You can record your answers on this worksheet, or type/write on another sheet of paper. You only need to submit the question number and the letter corresponding to the set of reagents from the table below. A E 1) 9-BBN H2(g), Pd/C 1 eq. HBr 2 eq. HBr H2SO4, HgSO4, H, 2) H2O, NaOH(aq) H H2(g), Lindlar's catalyst Naº, NH3(1), -78...
In each reaction box, place the best reagent and Conditions from the list below. H C C H Br Br H2, Lindlar catalyst H20, H2SO4, Hgso4 CH3CH2Br HBr 1-equiv BH3/THF HBr 2-equiv CH3CH2CH2Br CH3Br H202/NaOH Br2 1-equiv NaOH NaNH2 Br2 2-equiv