Provide the structure of the hydrate of cyclopentanone. b. Provide the major organic product which results when pentanal is subjected to the following sequence of steps: 1. PhMgBr; 2. H3O+ ; 3. PCC.
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A: Introduction: We have to make products for the following reaction.
a. Provide the structure of the hydrate of cyclopentanone.
b. Provide the major organic product which results when pentanal is subjected to the following sequence of steps: 1. PhMgBr; 2. H3O+
; 3. PCC.
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- Galantamine, a natural product produced by the amaryllis family of flowering plants, has been used in the early treatment of Alzheimer's disease. In a synthesis of galantamine and related compounds (J. Org. Chem. 2015, 80, 1952-1956), compound 1 was converted into compound 2. Propose an efficient synthesis for the conversion of 1 to 2 A. NaOH MeO D. DMP or PCC G. HBr MeO B. H₂SO4, H₂O, HgSO4 E. Na2Cr₂O7, H₂SO4, H₂O H. 1) O3; 2) DMS H 2 The conversion of 1 to 2 can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. C. 1) BH3-THF; 2) H₂O2, NaOH F.HBr, ROOR I. TsCl, py Meo I₁, N Me Galanthamine OHGalantamine, a natural product produced by the amaryllis family of flowering plants, has been used in the early treatment of Alzheimer's disease. In a synthesis of galantamine and related compounds (J. Org. Chem. 2015, 80, 1952-1956), compound 1 was converted into compound 2. Propose an efficient synthesis for the conversion of 1 to 2 A. NaOH MeO D. DMP or PCC G. HBr 1 MeO B. H₂SO4, H₂O, HgSO4 E. Na₂Cr₂O7, H₂SO4, H₂O H. 1) O3; 2) DMS H 2 x I. TsCl, py The conversion of 1 to 2 can be performed with some reagent or combination of the reagents listed below. Give the necessary reagents in the correct order for each transformation, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer. C. 1) BH3-THF; 2) H₂O2, NaOH F.HBr, ROOR = MeO Ill. N Me Galanthamine OHprovide a 5-step synthesis to arrive at the final structure. Provide intermediate steps and show arrow pushing mechanism. Please use the following reagents: 1. Mg, Et2O 2. CO2 3. H3O+ 4. SOCl2 5. 2 eq of HN(Et)2
- HW.pdf oads/CH8%20HW.pdf 2 / 4 90% 3. Provide reagents for each of the following transformations: ... OH +D. Hidrazor 3. The major organic product which results when PHCHO is treated with the following sequence of reagents: 1. CH3CH2M9B1; 2. H3O+; 3. Na2Cr207, H2SO4 is: A. PHCOCH3. B. PHOCH2CH3 C. PHCH2COCH3 D. PHCOCH2CH3 Su 4. Which of the following is also known as a Schiff base? A. an imine B. a cyanohydrin C. a hydrate D. sodium hydroxide Hulu MiniTool Power Dat.. COe | support +1-844-865-6999 口 || A 2 P Type here to search DELL F10 F11 F8 F9 F6 F7 F3 F4 F5 F1 F2 FnIdentify products A and B from the given 1H NMR data.a. Treatment of CH2 = CHCOCH3 with one equivalent of HCl forms compound A. A exhibits the following absorptions in its 1H NMR spectrum: 2.2 (singlet, 3 H), 3.05 (triplet, 2 H), and 3.6 (triplet, 2 H) ppm. What is the structure of A?b. Treatment of acetone [(CH3)2C = O] with dilute aqueous base forms B. Compound B exhibits four singlets in its 1H NMR spectrum at 1.3 (6 H), 2.2 (3 H), 2.5 (2 H), and 3.8 (1 H) ppm. What is the structure of B?
- Which of the following reagents should be reacted with the reactant to get the given product? Select one: a. O b. O C. O d. methanamine; NaBH4 ethanamine; LiAlH4, diethyl ether, H₂O NaOCH₂CH3; H₂in Pt methanol; DIBAL, H3O+ Br to-tr HWhich alkene cannot be converted into an alkyl bromide with HBr, ROOR, hv, A? III IV A. B. C. D. E. All react Which synthetic route is best to give the major product shown below. ? x XA OH A. 1. BH3; 2. H₂O2, NaOH; 3. HBr; 4. CH3CO₂H B. 1. Br₂, 2. NaCCH; H₂, Lindlar's; 3. O3; 4. H₂O C. 1. NBS, hv, A; 2. H₂, Pd; 3. NaO₂CCH3 D. 1. NBS, hv, A; 2. NaCCH; 3. H₂2, Pd; 4. O3; 5. H₂O E. 1. NBS, hv, A; 2. H₂, Pd; 3. NaCCH; 4. 03; 5. H₂O Which synthetic route is best for the transformation shown below? OH ? OH A. 1. H₂SO4/heat; 2. HgOAC2, H₂O; 3. NaBH4 B. 1. HBr; 2. NaOH, DMSO C. 1. TsCl, pyr; 2. NaOH, DMSO D. 1. TsCl, pyr; 2. KOtBu; 3. BH3-THF; 4. H₂O2, NaOH E. 1. H₂SO4/heat; 2. BH3-THF; 3. H₂O2, NaOH =BChoose the most correct set of reagents for the following reactions. OH 1. ? OMe 2. ? а. 1. MSCI, рyridine; 2. NaOCHз, СHзОН b. 1. HСІ, рyridine; 2. NaOCH3, CH3ОН с. 1. PC(33, SOCI2; 2. NaOCH3, CHОН d. 1. TSCI, pyridine; 2. NaOCH3, сH,он е. 1. СН3О-, рyridine; 2. H* f. 1. Pl3, руridine;B 2. -0СH3 a b C d e f
- provide a 5-step synthesis to arrive at the final structure. Provide intermediate steps and show arrow pushing mechanism. Please use the following reagents: 1. Mg, Et2O 2. Formaldehyde 3. Cr(IV) 4. SOCl2 5. 2 eq of HN(Et)2Provide the reagents necessary to carry out the following conversion. Br O 1. KOH; 2. Na2Cr2O7. 3. NaOH O 1. Na2Cr207/H2SO4: 2. H₂O 1. NaOH; 2. H₂O O 1. NaOH; 2. Na2Cr2O7/H2SO4/H20 O 1. NaOH; 2. H₂SO4: 3. H₂O OHChoose the most correct set of reagents for the following reactions. 1.? OMe 2. ? a. 1. MsCI, pyridine; 2. NaOH, H2O2, H2O b. 1. HCI, pyridine NaOCH3, CH;OH c. 1. Pl3, pyridine; 2. NaOCH3, CH;OH d. 1. TSCI, pyridine; 2. NaOCH3, CH3OH e. 1. CH30", pyridine; 2. H* f. 1. PBr3, pyridine; 2. H*