Show the chemical reaction & draw the mechanism for the following
1,2-diamino cyclohexane
1R,2R)-(−)-1,2-Diaminocyclohexane
(1R,2R)-(−)-1,2-Diaminocyclohexane
(1S,2S)-1,2-Diaminocyclohexane.
Show the chemical reaction & draw the mechanism for the following 1,2-diamino cyclohexane 1R,2R)-(−)-1,2-Diaminocyclohexane (1R,2R)-(−)-1,2-Diaminocyclohexane (1S,2S)-1,2-Diaminocyclohexane.
Draw the structures of: (1R, 2R) hydrobenzoin and (1S, 2S) hydrobenzoin
4) Draw the following compounds a. (2S,5R)-5-chloro-2-ethylhexanoic acid b. (1R,2R,4R)-4-ethylcyclohexane-1,2-diol c. (2S,3R)-3-amino-2-phenylbutanal d. (1S,2S,3R)-2-fluoro-3-propylcyclobutanol e. (2E, 7Z)-5-bromo-2,7-nonadiene
Which of the following are meso compounds? (i) (R)-2-methylcyclobutanone (ii) (S)-2-methylcyclobutanone (iii) (1S,2S)-1,2-dimethylcyclohexane (iv) (1R,2R)-1-chloro-2-methylcyclobutane (v) (1S,2S)-1-chloro-2-methylcyclobutane
build models of the 1R, 2R (or 1S, 2S) stillbene dibromide and 1R, 2S- stillbene dibromide with Spartan Student. Calculate the relative stabilities (Hf) of these stereoisomers by the semiempirical method. b) calculate the lengths of the C-C bonds 1) between C#1 and C#2 2) between C#1 and the phenyl C 3) between two pairs of Cs in a phenyl ring and explain your results
Identify meso compounds
Identify meso compounds Check all that apply O ethylcyclobutane O(1S,2S)-1,2-dimethylcyclobutane O(1R,2R)-1,2-dimethylcyclobutane O cis-1,3-dimethylcyclobutane Jcis-1,2-dimethylcyclobutane 1,1-dimethylcyclobutane O trans-1,3-dimethylcyclobutane Submit Previous Answers Reguest Answer X Incorrect; Try Again; 4 attempts remaining
What is the correct IUPAC name of the following compound? (1S,2R)-1-iodo-2-methylcyclohexane (1S,2S)-1-iodo-2-methylcyclohexane (1R,2R)-1-iodo-2-methylcyclohexane (1R,2S)-1-iodo-2-methylcyclohexane Which group has the highest priority in the Cahn-Ingold-Prelog priority system? Give the highest ranking group a priority of 1 and the lowest ranking group a priority of 4. --CO2H-CONH2 Rank the following groups in terms of their priority according to the Cahn-Ingold-Prelog system of prioritles. Give the highest ranking group a priority of 1 and the lowest ranking group a priority of 4
Which of the following sets of compounds contain a pair of diastereomers? (i) (1S,4R)-1,3-dichlorocyclohexane & (1R,4S)-1,3-dichlorocyclohexane (ii) (R)-chloroiodomethanesulfonic acid & (S)-chloroiodomethanesulfonic acid (iii) (1R,4S)-1,4-cyclohexanediol & (1S,4R)-1,4-cyclohexanediol (iv) (1R,2R)-1,2-dimethylcyclopentane & (1R,2S)-1,2-dimethylcyclopentane (v) (2R,3R)-2,3,4-trihydroxybutanal & (2S,3R)-2,3,4-trihydroxybutanal Which of the following sets of compounds are enantiomers? (i) (E)-1-chloro-1-butene & (Z)-1-chloro-1-butene (ii) (1R,3S)-1,3-cyclopentanediol & (1S,3S)-1,3-cyclopentanediol (iii) (S)-1-cyano-1-propanol & (R)-1-cyano-1-propanol (iv) (1R,3S)-1,3-cyclopentanediol & (1R,3R)-1,3-cyclopentanediol (v) (R)-2-tert-butyl-2-methylcyclobutanone & (S)-2-tert-butyl-2-methylcyclobutanone
a) Draw the major organic substitution product (ignoring stereochemistry) formed in the following reaction. b) If the reactant's configuration were (1 R,2R), then the configuration of the substitution product(s) will be (select all that apply): 1R, 2R. 1S, 2S. 1R, 2S. 1S, 2R.
Ph 4. (2 points) Circle the correct name of the following structure. a) (meso)-hydrobenzoin HOH b) (1R, 2R)-hydrobenzoin HO- H ) (1S, 2S)-hydrobenzoin d) (1R, 2S)-hydrobenzoin Ph
Problem 6 (9 pts): Below is an E2 reaction for (1R 2R,4S)-2-bromo-4-methyl-1-(1- methyethyl)cyclohexane. Answer the following questions. Br NaOEt, EtOH ? Q34: Draw all the possible products Q35: Draw an appropriate chair form that E2 reaction takes place. Steric strains of 1-methylethyl, bromine and methyl group are 2.20, 1.70, and 0.55 kcal/mol, respectively. Q36: Does reaction go fast or slowly? Answer either fast or slow. .