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- 3. Write the product (s) formed in the following reactions. OH conc. HCI 1) DMSO/ (COCI), 2 eq/-60 °C 2) Et,N (excess) НО PCC/CH,Cl, OH HO. 1) KMNO,/H,O/ NAOH/25 °C 2) H3O*Give the organic product: i A HN ABCD * NH2 buffered at pH of 4.5 B N D HN нох 80 000 000 ?with aqueous HIO4: 18. Draw the expected products(s) of the following reactions. HO НО НО OH НО 0 HO ОН НО OCH, подати НО ОН OH OH OH NH3 excess HIO, NaBH4 1) Brg, water 2) H2O2, Fe2(SO4)3 ang the above NaBH4 aqueous HCI
- 1) 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 -1 & 2. Identify the steps necessary to prepare compound X. Show reagents and reaction conditions. step 1 step 2 step 3 Ph Step 1 2 دیا 3 4 5 Reagents Me step 4 step 5 Ph NMe2 Compound X Ph Saegusa-Ito oxidation (NaH, TMSCI, Pd(OAc)2, BQ)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?
- Provide the products and detailed arrow pushing mechanisms for the following reactions: OSIME3 EtN CO.Me 1. base, dilute solution (10mM) 2. NaOH/MEOH-H,0 Acid, heat CO.Mea) b) C) HBr CH3CH₂OOCH₂CH3 1. Hg(OAc)2, H₂O 2. NaBH4 1) BH₂ / THF 2) H₂O2 NaOH (aq) coldنقطتان )2 Choose the best solvent to the following (Chloroacetic acid) CICH2-C-OH Soluble in ether Not soluble in ether هذا السؤال مطلوب إرسال LAllaa Google lai e 19all 65 Jhl pe beul.okE Google Je lael d9 sall Lia sLail a pl ell la allla ala Google alai
- 3. Complete the reactions below: hium aluminium hydride CH,OH Tollen's Reagent Аз PCC (excess) A1 > A2 PHCH,NH, (excessi H Zn(Hg), HCI dilute chromic acid A8 A4 Brz, uv A5 A7 A6 HO. OH OHWhich of the following reactions will not yield a carboxylic acid as a product? он (B) owool CrO3/H,0 (1) Oz/CH;Ch, -78°C (1) Mg, ether, A (A) Br (C) (2) H20 (2) CO2 (3) H* (dil /H¿O он H* /H2O A (D) Reaction D Reaction A Reaction C(A) moose the correct product. 1. NaGE, Ero 2. H₂0, A 食。 CO₂ Et -CO₂E7 (B) Coret 31. Choose the best reagents. & 4 (A) 1. LAH; H₂0 2. CHz | 3. H₂0/H+ (B) 1. NaOH, -78% 2. CH31 3. H₂0/H (C) 1. LDA, -78%℃ 2. CH31 3. H₂₂0/H+ 1. Nah, 0°C 2. CH31 3. H₂2₂0/H+* (<) Colt (D)