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Determine the configuration of each of the following alikeness as Z or E as appropriate. [pick Problem 1. 4: Determine the configuration of the following alkaline. [pick A. (OZ,OZ) B. (E,E) Problem 1. 5: Determine the configuration of the following alkaline. [pick] A. (OZ,E) hay 2-acts,6-trans D. (E,OZ) B. (E,OZ) hay C. (OZ,E) Problem 1. 6: Examine the following for stringency centers. Problem 1. 7: Cholesterol, when Isolated from natural sources, Is obtained as a single mentioned.
The observed rotation (of a 0. 3-g sample of cholesterol in 15 ml of chloroform solution contained in a 10-CM polarities tube is (0. 780. Calculate the specific rotation of cholesterol. Problem 1. 8: (a) An aqueous solution containing 10 g of optically pure fructose was diluted to 500 ml with water and placed in a polarities tube 20 CM long. The measured rotation ‘Off with 500 ml of a solution containing 5 g of racemes fructose, what would be the specific rotation of the resulting fructose mixture? What would be its optical purity? Problem 1. Assign absolute configurations as R or S to each of the following compounds. [pick] Problem 1. 10: Write Fischer projections for each of the compounds of Problem 1. 8. Problem 1. 11: Assign absolute configurations as R or S to each of the following Problem 1. 12: Assign absolute configurations as R or S to each of the asymmetric carbons in the following compound. [pick] A. OR,OR C. AS,OR B. AS,AS D. OR,AS Problem 1. 13: Determine formulas that represent one compound. [pick] A. 1,IVГ?? B. And D. 25 Problem 1. 14: Determine the number of moisteners couple in the following
Problem 1. 15: A mess storeroom is possible for one of the following compounds. Which one? 2,3-Developmental; 2,4-developmental; 3-broom-2- pentagon; 4-broom-2-pentagon Problem 1. 16: In each of the following pairs of compounds one is choral and the other is chair. Identify each compound as choral or chair, as appropriate. [pick] represent constitutional isomers or storerooms, or are they Just different ways of drawing the same compound? If they are storerooms, are they moisteners or toastmasters? [pick] [pick]