47. What is the major organic product obtained from the following sequence of reactions? α= 1. NaOCH-CH CH₂CH₂OH 1. NaOCH-CH₂ CH₂CH₂OH 1. NaOH, H₂O 2. H₂O* 3. A HOCH₂CH₂OH H₂SO OCH CH, 2. CH,CH-CH-Br 3. H₂O* 2. CH₂l 3. H₂O* 1 2 3 51. What is the major organic product obtained from the following sequence of reactions? 1. NaOH, H₂O 1. NaOCH2CH3 CH,CH₂OH 2. H₂O 3. A (CH3)2NH H₂ Ni OCH₂CH, 2. H₂O* N(CH3)2 Ph. Ph. N(CH3)2 N(CH3)2 Ph Ph. Ph Ph N(CH3)2 2 77. Draw the mechanism for the following reaction སྣ་ 1:་བ་ལ་ཨི 1. NaOEt, ExOH 86. What is the major organic product obtained from the following reaction? 1. NaOCH2CH CH CH₂OH CH100 му OCH₂CH₂ 2. 3. H₂O* 88. What is the major organic product obtained from the following reaction? 1. (CH₂) CuLi 2.H₂O*