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Q1. Give R and S configuration to the following compounds (5 Marks) C2H5 i) H3C-C-H OH...
g) Which structure is Z-2-bromo-3-methyl-2-pentene? CH3 H3C CH2CH3 H C=C CH-CH,CH, CH3 CH3 Вісн. C=C CH3 Br н Br | BÁ CHẠCH, C=C CH, CHỊCH, 10) Which compounds contain stereocenters? D) 1-chloropentane II) 2-chloropentane III) 3-chloropentane IV) 1,2-dichloropentane 11) Aspartame is an artificial, non-saccharide sweetener. It is made from two amino acids phenylalanine (methyl ester) and aspartic acid. Both aminoacids have one stercocenter. Both stereocenters have S-stereoconfiguration. Which of the two structures is aspartame? H2N-C-C-N-C-0-0 CH2 CH2 c=0 HO HO...
14. Which of the following chiral compounds is(are) S enantiomer(s)? I. OH Hac H3C OH H3C ?CI H3C HC HCH2C HCH2C A) I B) II C) III D) I and II E) I and III "ci
give the compound name = 0 CH3-CHY-CH2-CH2CH3 H3C-CH2-CH3 = H3C-CH2-CH2-CH2CH2-CH3 H2C=CH2 = H-C=C-CH3 = = H3C-CH2-CH2-OH = H2C=CH-CH2-CH2-CH3 = H3C-CH2-CH2-CH3 H3C-CH=CH-CH3 = = CH3-OH = CH3-CH2-OH = CH3-CH2-CH2-CH2-OH = CH3-CH-CH2-CH2-CH2-CH3 = 64 CH3-CH2-CH2-CH2-CH-OH = CH3-CH-CH2-CH, = H3C-CH2-C=0 H.C-CH2-CH2-CH2-C=0 HC-OH = H3C-CHCH2-f-OH H,C-CH2-COH
designate R/S configuration R-configuration configuration 15. ö lö H, OH CHE 18. 17. HECO HO Rco Nh-c Answer key correct but Error in movie for 16. s -cousuvachu H OH H CHI нон HEN2 19. I NH, NH2 Br., CHE 21. H 20, он Answer key correct but Error in movie for 20. нох | H NHÔ нсн. н. сня Η HO...IH 23. H₃C NH₂ H, CH, HO, CHE H, CH3 H., CHE нсна АН 26. HO CHE Hнсн,он HOYO...
H 9. For each molecule: 1) Identify all possible enantiomers and distinguish those that are enantiomers, diastereomers and meso compounds. II) Assign the absolute configuration of chiral carbons in each molecule OCH3 HO+Br HS+CN H2N-CH3 HOSH Он HO+CH3 н OCH3 Сн, ососна Br +D HOCH HC-BrHN+Br CH 8. For the following compounds, assign the absolute configuration for those with chiral carbons and identify those that are NOT enantiomers HO C-C-OHY -CCIN 13CH3 HAN CH3 CH3 осі H-CH3 H2N+CH H O+COOH...
Which of the following chiral compounds is(are) R enantiomer(s)? 1) I. II III но, CI. Н,с CH CI OH н,с 2) You found an organic compound containing chiral carbon atom with the following four substituents: HC C-, CI-, O C- and H2C-CH-, What would be the correct order of their priorities? A) HC C-> O-C->CI-> H2C-CH B) Cl->HCC-> 0-C-> H2C-CH C) Cl-> O C-> HC C-> H2C-CH D) Cl-> O-C-> H2C-CH-> HC C E) O-C-> Cl-> HC C-> H2C-CH 3)...
complete the following reactions LE H3C-CH2-C-CH3 NaOH ОН HO + HO K2Cr2O7 H2C-CH-CH2-OH CH3 4x OH + HBr
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?...
PLEASE HELP WITH THESE. THANK YOU How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The...
3. Assign R or S configuration to the following molecules: Br F H F . Br F Br -CH CH=CH2 H CH2CH3 CH2CH3 CH3 CH2 --CH3 OH H -CH=CH2 H3C 7 CH3 H CH(CH3)2