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- (b) (d) CH3 CH3CHCH₂CH₂CH₂Br SCH₂CH3 1. (NH₂)₂C=S 2. NaOH, H₂O H₂O2, H₂O, ? ?Complete the following answer using the data provided here: • Molecular formula: C5H10O2 • Important IR data (cm-1): 3150-3010 (many); 1740; 1248; 1050 • All 'H NMR data (ppm, splitting, integration): 3.66 ppm (s), 3; 2.20 ppm (t), 2; 1.80 ppm (m), 2; 0.98 ppm (t), 3 Which of the following best fit this spectroscopic data? OH H. A C D EReaction of Zn/Hg; HCI ( Clemmensen conditions) with CH3CH2C(O)C6H5 forms ____ as the product. (a) CH3CHCHC6H5 (b) CH3CH2COOH and C6H5COOH (c) CH3CH2CH2OH and C6H5OH (d) CH3CH2CH(OH)C6H5 (e) CH3CH2CH2C6H5
- Which reaction below give a par of diastereomers and Why?(a) When (Z)-3-methylhex-3-ene undergoes hydroboration–oxidation, two isomericproducts are formed. Give their structures, and label each asymmetric carbon atomas (R) or (S). What is the relationship between these isomers?(b) Repeat part (a) for (E)-3-methylhex-3-ene. What is the relationship between the productsformed from (Z)-3-methylhex-3-ene and those formed from (E)-3-methylhex-3-ene?What are the groups towards meta position give examples and what its mechanism ?
- Arrange the following in increasing order of boiling point: (i) CH3CH2CH2CH2Br(ii) (CH3)3Br(iii) (CH3)2CBr(a) Draw the structures ofA to E in the following reactions. он 1. LIAIH, 2. H0 PCC 00 Lindiar's catalyst OH (CH,COOH THOCHICH,lla (*DET 1. RCOH 2. HODraw the product of the following Lewis acid-base reaction. Discuss whether the product will retain its monomeric form or if it will dimerise and why. (c) Ph Toluene AICI CHO Ph
- (i) () ВН3, THF B (ii) H202/HO (ii) Br SH Br2 C D (ii) POCI3 CH-CHз Рyridine HO' E (iv) (i) R2BH (ii) H2O2, HO LLUnknown compound D,whose formula is C28H44O, is an alcohol that produces a compound whose formula is C28H50O upon catalytic hydrogenation with excess H2 over Pt.Indicate how many rings and pi bonds compound D contains based on the data given.Following are the steps in the industrial synthesis of glycerin. Provide structures for all intermediate compounds (AD) and describe the type of mechanism by which each is formed.