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- a. Fill in the boxes with the missing structures. Be aware of stereochemistry. 1. LDA H3CO₂C 2. J CN Br t-BuOK THF H3O AWhich of the following compounds has the lowest pka value? он NO2 https://ibb.co/r0gbs4W e O Me- Он https://ibb.co/D82KKZS e CI HO https://ibb.co/gwBKKwW Me Me Me https://ibb.co/q7LVkKB e o H20CO₂Et (1) 1 equiv. LiNH2/NH3 Ph CO₂Et (2) CH31 CO₂Et (1) 2 equiv. LiNH2/NH3 Ph losno se Jee CO₂H (2) CH31 CO₂H HM HMM (1) 2 equiv. LiNH2/NH3 Ph CO₂Et (2) CH31
- Mark all chiral carbons with a star in the following molecules.- с app.101edu.co Identify which of the following compounds is meso. I H₂CO H III H C H₂CO HCI Н A) 1 B) II Question 52 of 67 C) III D) IV OCH H₂CO "CH3 H C H CH₂ OCH₂ IV Н H₂CO H.C Н OCH, "H CH3 CH3 OCH₂ S В SubSolving by condensation (Aldehydes and Ketones)
- 4. For each of the following molecules, label each stereocenter as R or S. Label the molecules appropriately as chiral or meso. a. b. methionine NH₂ H d. но. OH c. D = 2H, T = ³H, isotopes of hydrogen. f.T. OH OH CI Y ОНDraw the structure of A,B,and CDescribe the stereochemical relationship between the two structures below. H H CHO OH OH CH₂OH I OA Mesomers HO H B. Enantiomers OC. Conformers D. Raceomers E.Diasteromers CHO -H -OH CH₂OH II