Question
can someone please help me with the following questions?
Questions 1-12 pertain to the following five structures in the Fischer Synthesis of a carbohydrate s ns 1-12 pertain to the following five structures in the Fischer Synthesis of a carbohydrate starting from glyceraldhyde. OH O. HO OH HO OH OH b. d. 1. For sure this is a synthesis of which type of carbohydrate? c. D d. L e. not a.-d. 2. This is the synthesis of a? a. hexose b. pentose c. tetrose d. triose e. not a.-d. 3. Structures a-e. are the intermediates and product in the synthesis of? throse b. galactose c. ribose d. threose e. not a.-d. 4. Which intermediate is a cyanohydrin? a. structure a. b. structure b. c. structure c. d. structure d. e. structure e. 5. Which intermediate is an aldonic acid? a. structure a 6. Which intermediate is a lactone? b. structure b c. structure c. d. structure d. e. structure e. structure a. b. structure b. c. structure c. d. structure d. e. structure e. 7. Which structure is a hemiacetal or lactol? b. structure b. c. structure c. d. structure d. e. structure e. a. structure a. 8. Which structure is easily epimerized at the anomeric carbon? a. structure a. 9. To which intermediate would be added Na(Hg) to continue the synthesis? a. structure a. 10. The product of this synthesis cannot form a? b. structure b. C. c. structure c. d. structure d. e. structure e. d. structure d b. structure b c. structure c. e. structure e. b. pyranose c. both a. and b. d. not a. or b. a. furanose 11. One structure in this synthesis could be classified as? a. alpha c. delta d. gamma e. not a.-d. uot ofthie sumthesis could he used to make?
Explanation / Answer
1 c
2 tetrose
3 e
4 c
5 e
6 d
7 b
8 b
9 c
10 c
11 a
