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Which is the best reagent for E2 eliminations and why? NH2 CH3CH2O он
2. Which of the following compounds is most basic and why? ОН ОН NH2 NH2 ІІ ІІІ IV
7. Which reagent is best used in the reaction shown
below?
Which reagent is best used in the reaction shown below? ОН NaOH H2SO LIAIH4/H20 На, Pt
In each reaction box, place the best reagent and conditions from the list below. он он 1) 2) NaBH4 in EtOH B2H6 in THF PCC in CH2Cl2 PhCO3H in CH2Cl2 CH3ONa in CH3OH PhLi in Et20 H2O2/NaOH H3PO4, Δ 1a) O3, 1b) (CH3)2S
ОН Which of the following compounds are H2O soluble? H2N OH NH2 ОН H N OH A B С. Q Zoom A A B B С D A and B E B and C F A and C G A, B, and C ОН H-N. ОН NH2 O ОН. H-N- ОН А В с
ОН Which of the following compounds are H2O soluble? H2N OH NH2 ОН H N OH A B С. Q Zoom A A B B С D A and B E B and C F A and C G A, B, and C ОН H-N. ОН NH2 O ОН. H-N- ОН А В с
please help with these ASAP, thanks!
What is the best reagent(s) for the following transformation? OH O NaOH, heat CH3CH2OH, H2S04 OmCPBA O 1. LiAlH4 2. H30+ What is the major product in the following reaction? 1. DIBAL 2. H20 H OH o" ОН What is the major product in the following reaction? LIAIHA 2 H20 "NH2 NH2
Choose what reagent goes best for each
CH3 CH3 30 он 12 CH3 CH3 CH3 13. CH3 CH3 он 14
10) What is the best reagent to carry out the following conversion? 0 он ОСНу a. NaOH, H20 b. HaS04 с.H2O d. LiAlH4, ether, followed by Hs0
10) What is the best reagent to carry out the following conversion? 0 он ОСНу a. NaOH, H20 b. HaS04 с.H2O d. LiAlH4, ether, followed by Hs0
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Choose the best product or reagent(s) for the reaction below. goo ? s a. b. C. d. none of these Br Br НО. Selected Coordinates Clear Choose the best product or reagent(s) for the reaction below. 73, 21 ОН HCI ? a. CI b. c. d. both a and b CI ОСІ Selected Coordinates Clear Estimate the Keg for the following acid/base equilibrium. H -NO -NH2 + + butane Li O a. 100 O b. 10^-15 O c....
Which steps will be necessary to synthesize the peptide below? OH NH2 phenylalanine HO NH2 ОН NH2 isoleucine 1. The N-terminus of isoleucine will require a deactivating protecting group. II. The N-terminus of phenylalanine will require a deactivating protecting group. III. The C-terminus of of isoleucine will require activation. IV. The C-terminus of phenylalanine will require activation. II and III II and IV I and III I and IV