10) 2. Assign R or S to the two asymmetric carbons shown below. -сн CH, но...
10) 2. Assign R or to the two asymmetric carbons shown below S) 3. Place an asterisk (*) next to each asymmetric carbon in the molecule shown below 5) 4. Calculate the specific rotation for a substance that is at a conc. of 0.02 ml, and in a 2 decimeter tube ves an observed rotation of +12°.
10) 2. Assign Ror Sto the two asymmetric carbons shown below. HO away 4 = toward NH H _NH 5 3. Place an asterisk (*) next to each asymmetric carbon in the molecule shown below CI 5) 4. Calculate the specific rotation for a chance that leatamne ning almland in a 2 decimataru
Pur eunnt ptic Rotut F c. Meso compound- A Compuina thestotuins 10) 2. Assign R or S to the two asymmetric.carbons shown below. matple Сиси, 5) 3. Place an asterisk (*) next to each asymmetri carbon in the molecule shown below. 5) 4. Calculate the specific rotation for a substance that is at a cqnc. of 0.01 g/ml, and in a 1 decimeter tut O72 (0-01 gim(19 observed rotation of -20° . 15) 5. For this molecule: он How many...
5) 4. Calculate the specific rotation for a substance that is at a conc. of 0.02 /ml, and in a 2 decimeter tube gives an observed rotation of +12° 15) 5. For this molecule: a. How many chemically different hydrogens? b. How many chemically different carbons? C. What would be the mass of the molecular ion in El-MS? 10) 6. True or False: a. Chemical shifts, in ppm, are independent of the magnetic field strength. T F b. In HNMR,...
1.) How many chiral carbons are present in the compound below? Place an asterisk next to the chiral carbons. (CH3)2N CH, OH N ICE CCH 2.) Assign priorities to the substituents in the following set: (Lowest priority is 4.) - -NH2 -Br -COOH -CHO 3.) Label each chiral carbon in the compound below as Ror S. * COH Br H 1. Hoci TH H CH3 4) Predict the product and show the complete electron-pushing mechanism for the reaction below: O=C...
(10 points) 6. Circle all of the compounds below that are achiral OH сн, н Cl. OH на C H CI H CI CH снсн, CI H сHсH, Br (10 points) 7. Assign the absolute configuration of the stereooenters in each of the following compounds. NHg CH CHy-CH снон сн, COH H но снсH,B CHs Br HO CHCH Br CHy- он H- снсH
5) 4. Calculate the specific rotation for a substance that is at a conc. of 0.02 /ml, and in a 2 decimeter tube gives an observed rotation of +12° 15) 5. For this molecule: a. How many chemically different hydrogens? b. How many chemically different carbons? C. What would be the mass of the molecular ion in El-MS? 10) 6. True or False: a. Chemical shifts, in ppm, are independent of the magnetic field strength. T F b. In HNMR,...
CH, CH CH,CH Compound A CH3 CH3 но CH3 CH3 CH3 CH3 Compound B 4.43 a) An aqueous solution containing 10 g of optically pure fructose was diluted to 500 mL with water and placed in a polarimeter tube 20 cm long. The measured rotation was 5.20°. Calculate the specific rotation of fructose. (b) If this solution were mixed with 500 mL of a solution containing 5 g of racemic fructose, what would be the specific rotation of the resulting...
Draw a structural formula of the S configuration of the compound shown below. The specific rotation, [α]D, for (-)-malic acid is -27. What is the observed rotation for a solution of 0.50 g of (-)-malic acid in 10 mL of water in a sample tube having a pathlength of 10 cm? The observed rotation of a solution of 0.75 g of a compound in 10 mL of water is -4.6 degrees. If the pathlength is 10 cm, what is the...
Consider a typical Sgi pathway involving the reaction of 2-bromo-2-methylpropane with hydroxide as shown below. CH HC-C-Br -NaOH Syl CH; A reaction energy diagram for this reaction is provided below. What intermediate from the list below is present at position (2) on this diagram? G (1) (5) Reaction Coordinate CH; CH; CH; НО С-.--В сох с — Br HẠC CH А HẠC CHỦ B HỌC CHỦ с CH, CH; CH; НО- НО. -cs Н;С сн; Н;С сн D HẠC CHỜ...