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- Chemical egua tion when ethanal react with in, Fehling test Schiff reagent 4 214-0 NPH Chemical equation when methanal react with in © Chemical equation when Propanone react with in. +est O ® kMn O4 Fehling 3 214 - DNPH CS Scarvcd with Comscannera) LDA b) CN Br DIBAL -OTHP THP MCPBA Hydrazine H₂N-NH2 KOH heat dil. HCIO4 -OH OH CN -OTHP17.24 • Provide a systematic name for each of the following compounds: a. b. C. d. e. > Answer OH O₂N. O₂N. Br OH Br OH H
- As far back as the 16th century, South American Incas chewed the leaves of the coca bush, Erythroxylon coca, to combat fatigue. Chemical studies of Erythroxylon coca by Friedrich Wöhler in 1862 resulted in the discovery of cocaine, C17H21NO4, as the active component. Basic hydrolysis of cocaine leads to methanol, benzoic acid, and another compound called ecgonine, C9H15NO3. Oxidation of ecgonine with CrO3 yields a keto acid that readily loses CO2 on heating, giving tropinone. (a) What is a likely structure for the keto acid? (b) What is a likely structure for ecgonine, neglecting stereochemistry? (c) What is a likely structure for cocaine, neglecting stereochemistry?1:39 17. Provide the major organic product of the reaction shown. Ph O 1. Et-MgBr (xs) 2. H₂O+ Actual S Sen celChemistry PLEASE ANSWER ALL QUESTIONS a. b. 3.28 For each pair of structures below, identify the stronger base, and explain your choice: :ÖH :NH₂ C. a. Egn N-H To protonate Answer 3-32 In each of the following cases, identify whether the reagent shown is suitable to accomplish the task described. Explain why or why not: To protonate To protonate N: d. To protonate L o using IN using H₂O -CH₂ using H₂O using H₂O N:
- Stork Enamine Synthesis: 1. NHPH,, H* A N(Ph)2 2. G H. 2. Но H. 3. H3O+mple. B-bromopyridine undergoes efficient exchange with n-b basic tetrahydrofuran as solvent, and at this temperature, the alk ly addition to the ring occurs, although the exchange can be c as typi peratures.9 what mecaniss mm Br n-Buli PHCN Et,0, -78 °C then aq HCI Ph 61% N. n also be prepared from bromo-pyridines at 0 °C via exchang TMSCH,Li) and lithium dimethylaminoethoxide (LIDMAE) react selectively a C-2) and from chla Metal-halogen exchange with 2,5-dibrome d 2,3-dibromopyridine uiuo metallation, 102 Ilurtrates its trapping wCHM 121 DIHyJrolysis of a Compound B Crormuls CH6cla) wss Caried ut ly reftuxing coth excess Potassium hydrosede Solution the resulting Solution wss acıdıfied wrth dilute nitrc acid and excess Siluer nitrate added to precipitefe the Chlonde as Siluer Cloloride O.7189 of Siluer Ch loride was Farmed rom 0.80590F B- 9 Calculafe the number Of Chlurine atoms Present in esch molecele OF B Cohich are libersfed loy byloysıs (ung
- Which of the following, A, B, C, did you use to dry a solution of organie in an organic solvent such as diethyl ethert The answer may be just one of them, any two of them or all three. A: Magnesium Sulfate B: Amberlyst 15 C: Sodium Hydroxide O AB, and C O A and C O Band C A only O B only O Conlycompound With chemical formol a CyH10 0 Results of chemical te st for c4 Hio O chemical Test molisch obseruations ninny drin 2,4 -DNP hot acidic kMn Oy turbid coloriess sol'n cle ar pale-yellow solin | clear orange -yellow solution lear porple sol oti on clear pare - yellow soln lodoform 1. answer paitive in chemi cal reaction weather (+) E) - regatiue wnat is the function al CyHioO? what is the probable structure 0f line bond 2. group [lass of Cattio 0? Draw Osing and tewis stwiture0. Ph OH V IV H. Ph Ph C2, HOAC a. hv (uz) b. calor C. 12. NaOH, H20 d. 1. (Ph)2CULI, ether Conditions of the I' son. 2. Hgo* Conditions of the II NaOH, agua, calor f. EConditions of the III H2SO4. D 9. Conditions of the IV 1.PhMgBr, eter BConditions of the V h2. H20, 0 °C AICI3 1. Mg. eter
