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Which set of reagents would best accomplish the reaction shown? Ph 1. HBr 2. PhMgBr 1....
Testbank question 166 Which sequence of reagents would
be expected to accomplish the synthesis shown?
nt BACK FULL SCREEN PRINTER VERSION Testbank, Question 166 X Your answer is incorrect. Try again Which sequence of reagents would be expected to accomplish the synthesis shown? 1) HBr/ROOR; 2) excess NaNH2 1) HBr; 2) 2 NaNH2 1) Br2, CCI4 2) 2 NaNH2 1) Br2, H20; 2) NaNH2 1) Na, NH3)
Select the reagents you would use to accomplish the syntheses shown below in no more than the number of steps specified. List the letters of the reagents in the order that they are used; example: fa. Reagents Available a. HBr b. PBr3 C. (CH3CH2CH2CH2)2Culi f. CH31 g. Hg(OAC)2, H2O, THF; then NaBH4 h. Cl2, light d. (CH3)2Culi I. KOH j. NBS (N-bromosuccinimide) e. BH3, THF; then H202, OH - он CH3 Use 2 steps: V - M Use 3 steps:
19. What reagents will accomplish this transformation? A) 1. H2SO4 2. HBr 3. KOBu B) 1. NaOH 2, H2SO4. 3. H20 C) 1. HBr 2. NMez 3. KO'Bu D) 1. NaBr 2. H20 3. NMe3 OH
Which of the following reagents would be best to accomplish a typical Sn2 reaction? Select one: OHCN O NaCN o H₂O O CH3ONA
Which set of reagents would best accomplish the following transformation? Teagent i nebent. A) Br, HB B) Br, PBT C) Br, NaOH D) PBT)
Which reagent or set of reagents will best accomplish this transformation? b OH (A) OsO (B) 1) Hg(OAc); /H:0 2) NaBH, I-BOOH (D) HOOH (C) 1) THF-BH, 2) H-02/OH/H,0 7 What is the product of this reaction? (A) W model Å Which best represents a step in the mechanism for " I- @ AR .-
18. Which sequence of reagents would be expected to accomplish the transformation of 1-butyne shown below? A) 1)H2O/H2SO4, HgSO4 cat.; B) 1)HBr C)1)H2, Lindlar catalyst; D) )HBr, peroxides; E) O 2) H2, Pt 2) H2, Pt; 2) BH3*THF; 2) NaOH; 2) H2O 3) NaOH 3) H202, NaOH 3) H2, Pt
Jos ou 2POMU PGJOM Which reagents are most likely to accomplish the reaction shown below? 4. ОН 1. BH, THF / 2. HO", H2O2, H2O H, H20 1. Hg(OAc)2, H2O, THF / 2. NaBH 1. Hg(OAc)2, CH3OH / 2. NaBHA NaOH, H20
I-X] Which of the following list of reagents and conditions (A-D) would best accomplish the synthetic transformation drawn below? If two positions appear to be viable, pick the better (e.g, more selective) possibility (2 point each) [VII] Which list of reagents and conditions would best accomplish the below synthetic transformation? он Me Me Me Me 1) l2 2) KEtBF, 1) KEtBF, 1) NBS/AcOH 2) KEtBF:3 1) NBS/AcOH 2) Et-l 1% (Ph3P)2PdCl2 3) Tf2O 4) KMeBF:3 1% (Ph3P)2PdCl2 3) Tf2O 4)...
? What set of reactions are necessary to carry out the following transformation? Ph 1. Brz, NaOH, then Ht workup 2. Pyridine, Heat 3. Ph Culi, then H20 workup 1. Brz, Acetic acid 2. Pyridine, Heat 3. Ph Culi, then H20 workup A B 1. Brz, NaOH, then Hworkup 2. Phli, then H20 workup 1. PhMgBr, then H20 workup 2. Brz. NaOH, then H* workup 3. Pyridine, Heat C D Zoom A A B B С D D E More...