Question

Each question is worth 15 points Write all reaction steps in the syntheses questions, and mention the major intermediates 1) Synthesize the following alkenes In addition to triphenylphosphine, select the necessary aldehydes/ketones and organic halides. 2) Complete the reaction steps of the following conversions 3) a). Form eyclohexanone by an intra aldol reaction of an open chain aldehyde/ketone. b). Perform 1,2 and 1,4 additions on CH CH-CHCOCH, with MeMgBr b). CHICHO CHCH CH 5) a). Write the mechanism to the conversion of (CHhCCOCH, /ROOH to an ester b). React CH,CH,MgBr with 1,2-epoxypropane under acidic, and basic conditions 6). Synthesize fom 12-dimethylcyclopentene: a). cis 1,2-diol b) trans 1,2-diol

Answer 1

CH3 久 Target CH3 3 2. 2 H冲 2) H30 он он ) Li AI Hu