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- d) a) O OEt -Ome 1. NaBHY, Mеoн 2- HCl (da) 1. LIATHY, MeOH на (аа) 2. 1. LAIHY, THE HCl (aq) INABHY, MCGH → 2. HCI (aa) draw product draw product draw product draw producth) Which is a weaker base and why? Pyridine Pyrrole i) Name the following compounds. H2N A B NH2Which is the strongest acid? O CH3CH₂CH₂CHFCH₂CO₂H OCH3CHBrCH₂CH₂CH₂CO₂H () CH,CH,CH,CBICH,CO,H CH3CH₂CH₂CF₂CH₂CO₂H
- a) b) C) HBr CH3CH₂OOCH₂CH3 1. Hg(OAc)2, H₂O 2. NaBH4 1) BH₂ / THF 2) H₂O2 NaOH (aq) coldDraw the structure(s) of the major organic product(s), for each of the following reactions. ELOH a) cat. H,SO4 Br 1) 2 eq. Li b) 2) PHCHO 3) NH,Cl(aq) Ph = Phenyl 2 eq. Li c) NH3(1) 1) Hg(0,CCF,)2, (CH,),COH d) 2) NaBH4, NAOH Os04 e) cat. NMO OH PB13 f) CH,Cl,organic chemistry 15) Which of the following will NOT react with NaOH?
- Predict the major product for the reaction. HCIAnswer the following questions based on the information provided. (a) Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Revatio) is used to improve the ability to exercise in adults with pulmonary arterial hypertension. One of the key step of Sildenafil synthesis is shown below. OEt O OEt O i) Amine HO CHO ii) H20 washing to remove the HCI residue CI N. i) What's the structure of Amine reagent? Amine structure ii) Why does not carboxyl acid react with amine? iii) Draw the mechanism of the reaction.What is the best reason why carboxylic acid 3 is the most acidic? aioH cioH а он дон CI- OH OH 1 || F ||| IV A) It is the least sterically hindered. B) The F groups are good leaving groups. C) F is very electronegative and can stabilize a negative charge as FO. D) F is very electronegative and will help to stabilize a negative charge on oxygen via induction. E) The conjugate base is stabilized by resonance.
- 8. The final product of the following reaction is: NH,NH, Base NH2 он NHNH, 1) II) IV)4. Which choice shows the correct products of the following hydrolysis reaction? HCI se HOLLO ? H₂O twite i NH₂ don OH (a) (d) locios en Hol tone NH3 HO NH₂ (b) COD love e NH3 H₂N oi (e) le can be labeled as (c) Add to a withIdentify the best conditions to complete the SN2 reaction shown below. CI A) NaN, DMSO B) NaCN, ETOH C) NaCN, acetonitrile D) NaNH2, acetonitrile CN E) LİCI, THF