Reagent 1:
Na, NH3 (l)
CH3CH2Br
NaNH2
NaOH
H2, Lindlar's Catalyst
Reagent 2:
CH3Br
H2, Lindlar's Catalyst
mCPBA
CH3CH2CH2Br
CH3CH2Br
Reagent 3:
NaBH4
mCPBA
Na, NH3 (l)
H2, Pt
H2, Lindlar's Catalyst
Reagent 4:
mCPBA
Na, NH3 (l)
BH3, THF
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Devise a 4‑step synthesis of the racemic mixture shown using the reagents available.
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
In each reaction box, place the best reagent and conditions from the list below. PH но Ен 2) H3C-CECH - U CH3 + Hacy OH 4) H2. Lindlar's Catalyst KMnO4, NaOH, H20, cold NaOH, H20 CH3CH2CH2Br CH3CH2Br BH/THF H2, Pt CH3Br Na, NH3 (1) NaBH4 NaNH2
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
In each reaction box, place the best reagent and conditions from the list below. Mac H3C—C9CH > Гон HO ch H3C mCPBA | Na, NHA (1) BHz/THF CH3CH2CH2Br CH3CH2Br NaOH, H20 Hz, Pt CH3Br Hz, Lindlar's Catalyst NaBH4 NaNH2
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. You are correct that the third step is a reduction of 2-pentyne. But H2 with a platinum catalyst will reduce it to pentane, while you need an alkene for the next step. NaNH H3C OH HO 2) CH3CH2Br CEC H3C CH3. H3C H2, Pt HO 4) KMno 4, NaOH, H20, cold BH3...
In each reaction box, place the best reagent and conditions from the list below. 1) 2) 3) HO CH3Br NaNH2 H2, Lindlar's catalyst H202, NaOH, H2O NaBH4 NBS, ROOR, hv H2, Pt BH3/THF Br2 NaOH
In each reaction box, place the best reagent and conditions from the list below. A reagent may be used more than once.) Each end of the alkyne chain must be lengthened by two carbon atoms. Propyl bromide in step 2 would add three carbons to one end. 1) 2) CHsCH-CH-Br NaNH2 он NaNH2 3) 4) 5) H3O CH3CH2Br CH3Br CH3CH2CH2Br BH3/THF NaOH NaBH4 H2, Lindlar catalyst H3O H202/NaOH CH3CH2CH2CH2Br NaNH2
In each reaction box, place the best reagent and conditions from the list below. 1) Н—с—с—н 2) CH2 3) 4) 5) 6) он NaOH Н2О2, NaOH, H20 CH3BR Н2, Pt NANH2 H2, Lindlar's catalyst NaBH4 CHзCH2CH2Br CrОз, H2SO4, H20 CH3CH2BR ВН-/THF
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. Please give a brief explanation for your response so I can understand it better. Thanks! In each reaction box, place the best reagent and conditions from the list below. (A reagent may be used more than once.) CH3CH2Br NaOH H2O2/NaOH H30+ CH3br NaBH4 NaNH2 CH3CH2CH2CH2Br CH3CH2CH2Br H2, Lindlar catalyst BH3/THF