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- What compound is the major product of the reaction sequence shown below? (1) KCN ethanol Он (A) NH2 (B) (2) LIAIH, (xS)/ether (3) dil. H* H;O он NH2 OH (C) (D) Compound C Compound D )Compound A O Compound BWhich is the major substitution product of the reaction shown? (A) OEt (C) (E) no reaction Br NaOEt © 2019 ProtonGuru.com (B) (D) OEt (F) a mixture of more than oneDraw a structural formula for the major organic product of each reaction and specify the most likely mechanism by which each is formed. (g) CH3CH2ONa++CH2=CHCH2Clethanol
- (d) Propose a reaction mechanism to account for the following reaction. AIC3Which of the following series of reactions is a viable route form the starting material to the product shown below? The correct route is option B but please inlcude a detailed description explaining why and a step by step process:)Which compound is a major product of the reaction sequence shown below? (1) benzene COOH „COOH OCH3 (A) (B) OCH3 (2) H* HО, д "СООН COOH .COOH (C) (D) "COOH Compound A Compound C Compound B OCompound D
- Q17. Compound 1 can undergo an intramolecular reaction to give cyclic product 2. Using curly arrows, show the mechanism of this reaction – note that the mechanism involves more than one elemental step - and draw the structure of 2; chemical formula is provided as guidance. H2N. C5H9NO CH;OH 2How will you synthesize cyclohexanecarboxaldehyde (cyclohexylmethanal) from the following reagents? (There are no restrictions on the reagents or the number of steps). (a) Cyclohexanone (b) Ethynylcyclohexane (c) Methyl cyclohexylformate (Remember: Formic acid is the IUPAC recognized name for Methanoic acid) (d) Cyclohexanecarboxylic acid (Cyclohexylmethanoic acid) (e) VinylcyclohexaneQ12. (1-bromoethyl)benzene 1 udergoes an elimination following an E1 mechanism. Fill in the following synthetic scheme by drawing the structure of intermediate 2 and product 3. The chemical formula of product 3 is provided as guidance. CH; RDS Br C3Hg E1 2 3
- 2. a) Provide the missing reaction product(s), or conditions to the following reactions. 00 محمد Aco hv DCM, -55 °C NaOH (aq) C11 H1602(b) Answer the following questions based on the compounds below. Jawab soalan berikut berdasarkan kepada sebatian di bawah. CI CI A в (i) Which compound has the higher boiling point? Explain. Sebatian manakah mempunyai takat didih yang lebih tinggi? Terangkan. (ii) Draw the SN2 mechanism for the reaction of compound A with sodium hydroxide, NaOH. Lukis mekanisma Sn2 bagi tindak balas antara sebatian A dengan natrium hidroksida, NaOH.Provide a step-by-step mechanism for the following reaction