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ese party ricy Taibah University College of Science Chemistry Department Organic Chemistry I (CHEM 411) Mon 20/09/2021 Quiz (1) Name: ساعد سامي الجهني Section: Student ID: 4028625 Q.1 Fill the appropriate chemical structure in the brackets. H+ EL 3 Id. Keto structure Major Enol structure Q. Arrange each of the following compounds in order of decreasing acidity 3 Q.3 Give the suitable reagent in the scheme for the below reaction (1. LDA son Ph 2 Ph, coa 0.4 Complete the following reaction and write the expected products 12 (excess) ОН"

mistry Leula and Study Programs Committee Q.4 How would you prepare the following compound using a malonic ester synthesis? Hot Eto OEt OH Heat Q. How would you prepare the following compound using a Michael reaction? Ero CO,Et Michael Donor

Department of Chemistry Curricula and Study Programme TA 5. What would be the product. P. of the following reaction sequence? i. NaOEL iPhCH,BE i. NaOH ii.H,09 heat (-CO) P Ph Ph Ph PH 1 II III IV 11 III IV D) 6. Predict the product of the following reaction sequence er 1. NaOCH 11. CH3CH-CH-BE liiNaOH iv, H,0", heat IV 1 11 III I A) B C) D) III IV 7. The major product that would be obtained of the following reaction sequence is 4 Bry CHCOH 8 2. Pyridine/heat

und 3. Arrange the following bases in order of decreasing strength. Na OCH.CH NaOH NaH Li" (NCH(CH3)2) TV 1 II III A) T> I > III > TV B) IV> III > II IV > III >II> D) III > IV>1 > II 4. What would be the major product of the following reaction i. NaOCH ? ii. H, 2 (mols) OH O IV -EE IV