Among the given reagents, NaCN serves as best reagent for sN2 reaction. As NaCN is ionic, it exists in the solution as Na+ and CN-
CN- is a good nucleophile.
Option b is right answer.
Which of the following reagents would be best to accomplish a typical Sn2 reaction? Select one:...
Which reagents would best accomplish the following transformation? ОН N 1. Potassium Phthalimide 2. CH3NH2 3. N2H4 O 1. CH3NH2 2. LiAlH4 3. H30+ O 1. SOCl2, pyridine 2. CH3NH2 O 1. p-TsOH, HOCH CHOH 2. CH3NH2 3. H30+ ? 3:13 PM 7/30/2020 Which reaction sequence would accomplish this transformation? oth HO H O 1. CH3MgBr 2. H30+ 3. CH3OH 1. H30+, CH3OH 2. NaBH4 3. H30+ O 1. p-TOH, HOCH CH2OH 2. NaBH: 3. H30+ O 1. pTSOH, HOCH,CH,OH...
What is the major product in the following reaction? CH3NH2 O NH Which reagents would best accomplish the following transformation? OH O 1. p-TsOH, HOCH CH2OH 2. CH3NH2 3. H30+ O 1. SOCl2, pyridine 2. CH3NH2 O 1. Potassium Phthalimide 2. CH3NH2 3. N2H4 O 1. CH3NH2 2. LiAlH4 3. H30+ What is the best reagent(s) for the following transformation? ? OH -NH2 O 1. TosCl, pyridine 2. Ag20, H202 3. heat 1. PBr3 2. Potassium Phthalimide 3. N2H4 O...
Which set of reagents would best accomplish the reaction shown? Ph 1. HBr 2. PhMgBr 1. Phli 2. H20 1. PhMgBr 2. H20 1. (Ph)2Culi 2. H20
Which combination are the best reagents to accomplish this transformation? Loh ? NH2 O 1. TosCl, py 2. NaCN 3. LiAlH4 4. H2O 1. PCC 2.(CH3)2NH 3. NaBHCN 1. H2Cr40 2. SOCI 3. CH3NH2 4. LiAlH4 O 1. TosCl, py 2. Potassium Phthalimide 3. N2H4, heat
stitution on the following seconday A SN1 B. SN2 unnindcrco to and by the nurschile C. Either D. Neither 12. What type of solvent would be best for obtaining an optically solvent would be best for obtaining an optically active product in the following reaction? Subsituhan NaCN CN l inversion of NOCN o 2. one product A polar protic B. polar aprotic favors SN2 mechanin €. apolar aprotic D. water 13. Which reagents would you use for the following reaction?...
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 reagents would best accomplish the following transformation? 0 OH O 1. CH3NH2 2. LiAlH4 3. H30+ O 1. p-TsOH, HOCH2CH2OH 2. CH3NH2 3. H30+ O 1. SOCl2, pyridine 2. CH3NH2 O 1. Potassium Phthalimide 2. CH3NH2 3. N2H4
Choose the best answer for the main type of reaction shown below: For an SN2 reaction, the BEST scenario would be: Select the term that best identifies relationship between the two molecules shown. Choose the best answer for the main type of reaction shown below: (1 mark) EtOH a) b) 2° alkylhalide, Syl reaction, one product 2° haloalkane, Syl reaction, racemic products 2º haloalkane, Sn1/E1 reactions, racemic products and alkene products 2º haloalkane, Sn2 reaction, one product 2° alkylhalide, Sn2...
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)...
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 .-