Which of the following reaction conditions can achieve the following transformation? Assume reagents are in excess....
Provide the reagents to achieve the following
transformation
Provide the reagents to achieve the following transformation: CHE Ph CH3 H3C H2C A B с D Hz, Pd/C nor Li(0) NH3, THE 1. Bra (excess) 2. NaNH2 3. H30+ hexanes H2 Lindlar cat hexanes
..) Complete the following transformation using some of the reagents provided below. Show each step of the synthesis and the reagents needed. For extra credit: H+ (cat) HT/H20 Os04 (CH3)2CO CH3CH2Br мСРВА HO-(cat) H2/Pd/lindlar HgSO4 BH3 HOCH2CH2OH Br2 Na/NH3 nBuli KMnO4 NaNH2 CH3(CH2)2CHO Mg/Et20 OH
Which of the following reaction conditions would be used for the following transformation? 1. Br2 1. HB/ROOR 2. NaOCH3 1. Bry/hv 2. NaOCHy 1. Br2 2. KOC(CH3)3 1. Bry/hv 2. KOC(CH3)3 2. 3 equiv NaNH2 3. H20 A B с D. E Ос B ОЕ
For each of the following transformations, select the series of
reagents that most effectively accomplishes it.
Question 1 10 points Save Answer **there may be more than one correct answer** (2)-2-methylhept-3-ene ??? 2-methylhept-3-yne O H2, Ni2B o H2, Pt O NaNH2 O H2, Lindlar's catalyst Na/NH3 Question 2 10 points Save Answer ??? o 1. NaNH2 2. 1-bromopropane O 1. NaNH2 2. bromoethane O 1. NaNH2 2. 2-bromopropane O 1. Na/NH3 2. 2-bromobutane Question 3 10 points Save Answer ???...
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
Identify the reagents necessary to achieve each of the
transformations below.
HINT: You will need to use at least one reaction from this chapter
and at least one reaction from the previous chapter. The essence of
this problem is to choose reagents that will achieve the desired
stereochemical outcome:
Choose from reagents (A-H): 1) Na, NH3 ( 1) H2, Lindlar's catalyst 2) OsO4, NMO 2) Br2 1) Na, NH3 () 1) NaNH2 4) Mel 2) Mel 5) Na, NH3 ()...
Question 1 Identify reagents that can be used to achieve each of the following transformations: (Several choices may be correct.) Na, NH3 (D 1) xs NaNH2 2) H20 O HBr, ROOR 1) NaNH2 2) C2Hsl H2, Lindlar's Catalyst
Which of the following reagents should be used to convert hex-3-yne to (Z)-hex-3-ene? A) H2, Pt B) Na, NH3 C) H2, Lindlar's catalyst D) H2SO4, H2O E) HgSO4, H2O
In each reaction box, place the best reagent and conditions from the list below 1) 2) 3) 4) HBr PВrg Вн/THF excess NaNH2 H20, H2SO4, HgSO4 NaBH4 CH3Br H2, Lindlar catalyst H2O2, NAOH, H20 СH-CH2Br Br2 Na, NH3 () 2 equiv. NaNH2
QUESTION 15 What reagents should be used for the reaction shown below? CHyCH CH CHs 1. NaBH4,2. H30+ H2, Pd H2. Lindlar catalyst Na, NH3 O 1. LiAIH4,2. H30