lo i. LIAIH4 i. deprotection CH2=CHCOCH3 protection ii. H3O* ii. dehydration K The synthesis of K from H involves a 3-steps reaction as shown above. i. Draw the structures of I and J.
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- product? Uod c). Br Pd cat CO2CH3 1. LDA 2. H2C=0 3. Н.ОReagents a. C6H5CHO b. NaOH, ethanol h. BrCH2CH=CH2 i. Na* OEt, ethanol j. Br2, H* k. K* t-BuO c. Pyrrolidine, cat. H* d. H2C=CHCN e. H3O* f. I. CH2(CO2ET)2 -CH2CH2CN LDA m. heat g. ELOC(=0)CO2ET Select reagents from the table to synthesize this compound from cyclopentanone. Enter the letters of the chosen reagents, in the order that you wish to use them, without spaces or punctuation (i.e. geda).21. The reaction scheme for the preparation of Z starting from benzene is as follows: * C;H.CI/AICI Ch/AICI Y KMNO/H* What is Z ? A. В. CI COOH CHCOOH C. D. CH,COCI COOH CICH
- 20. What is the major organic product of the following reaction? S: Na* a. I b. 11 Br C. d. ||| ||| IV 'BrB. Draw structures for the products in the following reactions. my NH₂ NH₂ 1. LIAIH4 2. H₂O* xs EtBr 1. Mel 2. Ag₂O, H,O, heat acetone, formaldehyde cat. HCI27. What is the major organic product of the following reaction? Ag,0, NH,OH он HO, HO. HO но. II IV A. I C. II D. IV
- Choose the correct product for each reaction. A. B. C. D. PPh3 H PPh3 || I ။B. Draw structures for the products in the following reactions. CN XEN CN CN Jo 7⁰ 1. PrMgBr 2. H₂O* 1. LiAlH4 2. H₂O* 1. NaOH, Η,Ο, Δ 2.H₂O* NH3 NaOH, H₂O, A 1₂ NaOH, H₂O and workup7. What is the major organic product obtained from the following reaction? a. 1 b. 2 c. 3 d. 4 CH3 1. BH3 2. H₂O2. NaOH CH3 CH3 H3C OH HO CH3 OH "OH OH 3
- Determine the product(s) for each reaction. А. TSCI pyridine CI. H В. SOCI, но H. pyridine H CI .CI С. KI H TsO H. HO HCI H OTs TsO D. ZnCl2 ... A.26. The major product the following reaction is 1. LDA -78°C 2. CH₂Br B Br Br *** 33... in theCH3 CH3 H3C N. H Tetracaine Tetracaine can be synthesized from benzene. The synthesis involves the following steps: 1. Benzene + CH3CI, AICI3 to form product A; 2. A + HNO3, H2SO4 to form product B; 3. B + KMNO4, H2O to form product C; 4. C + SOCI, to form product D; 5. D + HOCH2CH2N(CH3)2 to form product E; 6. E + H2, Pt to form product F; 7. F + CH3CH2CH2CHO to form product G; 8. G + NABH3CN to form Tetracaine. Draw the structures of product A and product G. You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Show the order of synthesis by drawing a reaction arrow between A and G, pointing toward the later-synthesized product.