Draw the missing organic structures in the following multistep synthesis. Show all structures at physiological pH (pH = 7.4). Ignore any inorganic byproducts formed. НО Select to Draw H₂ Pd-C Select to Draw Fmoc-Cl Na2CO₂, H₂O piperidine I Select to Draw Met-OBn DCC [ Select to Draw
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- 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?a) LDA b) CN Br DIBAL -OTHP THP MCPBA Hydrazine H₂N-NH2 KOH heat dil. HCIO4 -OH OH CN -OTHPp Please don't mprovide handwritten solution.
- What type(s) of catalysis is/are present in the enzymatic reaction below? SCOA H-His CH SCOA Asp CH COASH CH: CO HO-C-COO" HO-C-COO H-CH, acetyl-CeA SCOA CH, CH; CH COO COO COO oxaloacetate an intermediate citrate Select one or more: a. general acid b. general base C. metal ion d. specific base e. nucleophilic f. specific acid1) CO2 (s) g) Ph(CH:)MgBr 2) 11 (aq) H'(aq)/A h) 6-Bromohexanoic Acid + NACN- 1) NaOEt/ELOH i) PhCOHC-CH2 + CH:(CO Et) 2) H (aq), A,-CO. Butanoic Acid 1 equivalent Bry/P H.NEt k) Methyl Benzoate NaOMe/MEOHI I) 2 (Ph) CHCOOME -Ques. how does 2propanol DEACTIVATE CHROMIC ACID????? DOES IT REMOVE PROTON WHAT DOES IT DO???
- What are the major products from the following reaction? Reference data: thiol pKa ~ 10 amine pk, - 38 protonated amine pk, 10 water pka - 16 H2N- SH + NaOH H2N. NaHN. HO S. + HаО + Na 1: 2: HN. H3N. + Hао + Na + H20 + Na SH 3: 4: O 2 O 1 3 O 4CH30 carboxylic acid CH3C-OH ester 0 0 CH3COČCH, anhydride CH3CH2CHËI amide CH2CH3 CH3CH2CHCOCI none of the above ČH2CH3 Cengage Learning | Cengage Technical Support e y-axis and pH on the x-axis. If the points stv N IVUL 4IL VL LLIV VM t3. Draw the structure(s) of the major organic product(s), for each of the following reactions. ELOH cat. H,SO, Br 1) 2 eq. Li b) 2) PHCHO 3) NH,C(ag) Ph = Phenyl 2 oq. Li c) NH,(1) 1) Hg(O,CCF3)z, (CH,);COH d) 2) NABH,, NAOH cat. NMO CH;C),
- b. Synthesis of imines c. Condensation 1) H+ 2) H2NCH2CH2CH2CH3 3) H₂O Hydroxylamine H+Provide a plausible arrow pushing mechantsm orthe reacion hekow Nite that he starting material contains an acidic proten on the carborycade and tbt FONO aso an acid You may assume that there is more han one eauveient oOND, Yry e a genenc corjugate base to transfer arotons NH2 WEN2. Rank the following carboxylic acids by increasing acidity. -COOH - 4 botesupor as amor no soubor noi si sbiv Br & (zaslo COOH 1 4 OCUS COOH F 3 coin ou COOH