19. What reagent and conditions could best be used for this reaction? CH,CH-CH-CH2CH2OH + CH,CECH-- (A)...
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. 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...
How many alkene products can be formed when the alkyl iodide shown below undergoes E1 elimination? 9. How many alkene products can be formed when the alkyl iodide shown below undergoes El elimination? CH3 CH CH A) 1 B) 2 C) 3 D) 4 E) 5
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. NaBH4 HN(CH2CH312, H30 (cat.) CH3Br NH3 PCC NaNH2 CrO3 H3O BH3 THF H2NCH(CH312, H30 (cat.) KMno4 H202, NaOH, H20 (CH3)2CHBr H20, H30 CH3NH2 Pd, H2
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. 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.PBr3 H2,Lindlar cat. BH3/THF CH3Br Br2,1 ?equiv. Br2,2-equiv. NaBH4 excess NaNH2 NaOH H3O+ HBr, 2-equiv. HBr, 1-equiv.
In each reaction box, place the best reagent and conditions from the list below 1) excess NaNH2 2) 3) 4) PBrs H2, Lindlar catalyst ВН+THF 2 equiv. NANH2 CH3Br Hо, НSO4, Hgso NaBH Na, NH3 () HаОг, NaOH, H>o HBr CH3CH2Br Br2
In each reaction box, place the best reagent and conditions from the list below. CH3 2) 3) H2, Lindlar catalyst H2O, H2SO4 CH3CH2Br Br2 bromocyclohexane BH3/THF SOCl2 excess NaNH2 HBr CH3Br H2O2, NaOH, H2O
1) Reactions. Provide the major products for each reaction sequence, account for stereochemistry 1) KMnO4, A 2) SOCI, CH2Cl2 3) 2 equiv. 1) ethylene oxide, THF 2) H3O+ workup Culi 3) DIBAL-H, THF 4) H3O+ workup 5) cat. TsOH, THF H3CCHE (c) HN COH 1) excess LAH, THE 2) H30+ workup 3) 1 equiv. EtN, DMF 4) pyridine i ( " culi , THF (d) PC Ph 2) H3O+/H2O workup 3) KMnO4, A 4) CH,OH, cat. H2SO4 5) cat. TsOH,...