Which of the following will react with (R)-2-hexananol to produce a product that has the S-configuration...
4) Draw the product of the following reaction and for the product label all chiral carbons and the double bonds as (R), (S), (E), or (Z). NaSCH; may or may not react more than once. It is up to you to decide. (3 marks) NaSCH3 (excess) acetone
4) Draw the product of the following reaction and for the product label all chiral carbons and the double bonds as (R), (S), (E), or (Z). NasCHs may or may not react more than once. It is up to you to decide. (3 marks) Br NaSCH3 (excess) acetone Br
Draw the major expected organic product(s) for each of the following reactions. Be sure to indicate stereochemistry when needed. OH 1) TsCl, pyr 2) NaBr Br HS Give neutral product. بیاہ 1) SOCl2, pyridine 2) NaSH OH Br DBU d 1) PBr 3 2) KOt-Bu OH
Determine if the following molecule is chiral and then assign R or S configuration to the chiral carbon(s):
Question 5 1 pts Which one of the following molecules is chiral and has R configuration?
carton 2 in the following molecule 20. What are the configurations around the Carbon 2 CON=s CW -R Carbon 1 a. Carbon 1 has an Sconfiguration, and Carbon 2 has an Sconfiguration. (b) Only Carbon 2 is chiral, and it has an Sconfiguration. c. Carbon 1 has an Sconfiguration, and Carbon 2 has an R configuration. Carbon 1 has an R configuration, and Carbon 2 has an Sconfiguration. Carbon 1 has an R configuration, and Carbon 2 has an R...
Give the organic product: Is the configuration of the following molecule R or S? 0-C,HS ? H A B D O A. R B.S ОА OB C. Neither, there is no chirality center present. OD Which of the following carbocations is most likely to undergoe a rearrangement? .....Hint: Remember that a 1,2-shift can involve a shift of Hor-R) What is the organic product formed in the following reaction? (One of the listed choices, I - IV, is correct) H-S-CH II...
Molecule1= R-4-propylnonan-5-ol 1.Draw your Molecule 1 with a properly drawn stereocenter. 2.Predict the major organic product(s) (including stereochemistry where appropriate) for reaction of Molecule 1 with the following reagents. a) Phosphorous tribromide. There is one product and it is called Molecule 2a. b) TsCl and pyridine. Show all pie bonds. There is one product and it is called Molecule 2b. c) Thionyl chloride and pyridine. There is one product and it is called Molecule 2c. d) Draw a full Lewis...
Draw the substitution product formed (including stereochemistry) when (R)-hexan-2-ol is treated with each series of reagents: (a) NaH, followed by CH3I; (b) TsCl and pyridine, followed by NaOCH3; (c) PBr3, followed by NaOCH3. Which two routes produce identical products?
1. Assign R or S configuration to each indicated chirality center (carbon A and B) in the following molecule (vitamin C). Which of the following assignments is correct? но OH HO H. a. carbon A (R); carbon B (S) b. carbon A (R); carbon B (R) c. carbon A (S); carbon B (R) d. carbon A (S); carbon B (S) 2. Erythronolide B is the biological precursor of erythromycin, a broad-spectrum antibiotic. How many chirality centers does erythronolide B have?...