Which of the following compounds represents (S)-2-bromobutane?
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Which of the following compounds represents
(S)-2-bromobutane?
Which of the following compounds represents (S)-2-bromobutane? Br CH3...
3. Assign R or S configuration to the following molecules: Br F Н. F H- Br...
3. Assign R or S configuration to the following molecules: Br F Н. F H- Br CH, Br CHECH, H CH2CH3 CH2CH3 CH, CH, -CHE OH H CH=CH2 H3CH2 HY CH(CH3)2 CH 4. Label each pair of stereoisomers below as A,B,C,D a Enantiomers b. Diastereomers Identical d Meso Compounds
Which Newman projection represents the most stable conformation of (CH),CHCH(CH)2? CH3 CH3 СCH3 (B) (A) CH3...
Which Newman projection represents the most stable conformation of (CH),CHCH(CH)2? CH3 CH3 СCH3 (B) (A) CH3 H CH3 "СHз CHз CH3 CH3 н CH3 (D) (C) H. tCH3 CH3 CH3 Н Н CH3 CH3
І ІСІ 3.31 Which of the following are meso compounds! Н Br Br, CH3 | HO...
І ІСІ 3.31 Which of the following are meso compounds! Н Br Br, CH3 | HO CH, (b) (а) Br. C н / CH, -C C-C Н / CH Br VOH CH, ОН НО CH,OH н-ОН SCH, (е) -ОН " НОН CH,OH ОН CHO ОН CH,OH HOH CH,OH ОН (h) нтон HT ОН CH,OH нтон CH,OH CH,OH
Which of the following compounds is more stable? or A B A They have same stability...
Which of the following compounds is more stable? or A B A They have same stability B Onto which of the numbered atoms in this structure can the negative charge be moved by resonance delocalization? 8 4 5 3 7 HC 2 co 1 2, 4, 6 only 1, 3, 5, 8 only 1, 3, 5 only 2, 4, 6, 7 only Which Newman projection represents the most stable conformation of the following compound when viewed down the 2-3 carbon-carbon...
Which of the following have the R configuration? н CH3 Br CH2CH2CH2CH3 H3C CH2CH3 NH2 HO=CH...
Which of the following have the R configuration? н CH3 Br CH2CH2CH2CH3 H3C CH2CH3 NH2 HO=CH HC Н CH(CH3)2 H 2 3 only 1 only 2 only 1 and 2 only 2 and 3 1, 2 and 3 only 3
Which of the following is a meso compound? CНЗ -cl -с1 Br Br Cl CH2C1 Cнз...
Which of the following is a meso compound?
CНЗ -cl -с1 Br Br Cl CH2C1 Cнз -с1 с1-1-н снз CHз н-|-с1 H-|-с1 CH2CH3 Ht CHЗ H-|-с1 н- -сi Cнз CHЗ н--сi с1-1-н CH2CH3
Which of the following compounds contain any ionic bonds? Which compounds contain only covalent bonds? .C....
Which of the following compounds contain any ionic bonds? Which compounds contain only covalent bonds? .C. CH2 Н.с OH2:CIE НаС -OI CN CI СH НС CH Н С—С НС. С — CH НС с С—С CHз н Н:Br: С—С Н Н H2 C. -CEC H2 .C. CH H3C CH ONa вi Br С "CHз с НС. -С Н2 :ZI нӧ: "сі: Н2 .C. CH Н2 C .CH3 Н,с Нас CH3 H3C C CH3
14) When (R)-2-bromobutane reacts with Cl2/hw, which of the following is true CH3 CH3 H--C1 CH3...
14) When (R)-2-bromobutane reacts with Cl2/hw, which of the following is true CH3 CH3 H--C1 CH3 CH3 A) Only I is formed. B) Only II is formed. C) I and II are formed in equal amounts. D) I and II are formed in unequal amounts. E) I and II could never form under these conditions. 15) Which of the following compounds is more stable? Explain. -CHb. 16) Give the best product for the reaction. CH CH:CH Br, ight 17) Complete...
Draw a detailed mechanism for the following transformation 1. Br. Br HBr HO 2. What are the major product (s) formed in...
Draw a detailed mechanism for the following transformation 1. Br. Br HBr HO 2. What are the major product (s) formed in the following substitution reaction? Draw as Fisher projections CH;CH2ОH CH-CHз Нас— вr CH2CH2CH3 Draw the mechanism for the following reaction. 3. HO Br Draw the major organic product(s) produced in the following reaction as Fischer projection. 4. CHз ОСHЗ Н NaN3 Н. -CH3 Н- Br DMSO CH3 Draw the mechanism for the following reaction to demonstrate how the...
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...
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...
3. Assign R or S configuration to the following molecules: Br F Н. F H- Br CH, Br CHECH, H CH2CH3 CH2CH3 CH, CH, -CHE OH H CH=CH2 H3CH2 HY CH(CH3)2 CH 4. Label each pair of stereoisomers below as A,B,C,D a Enantiomers b. Diastereomers Identical d Meso Compounds
Which Newman projection represents the most stable conformation of (CH),CHCH(CH)2? CH3 CH3 СCH3 (B) (A) CH3 H CH3 "СHз CHз CH3 CH3 н CH3 (D) (C) H. tCH3 CH3 CH3 Н Н CH3 CH3
І ІСІ 3.31 Which of the following are meso compounds! Н Br Br, CH3 | HO CH, (b) (а) Br. C н / CH, -C C-C Н / CH Br VOH CH, ОН НО CH,OH н-ОН SCH, (е) -ОН " НОН CH,OH ОН CHO ОН CH,OH HOH CH,OH ОН (h) нтон HT ОН CH,OH нтон CH,OH CH,OH
Which of the following compounds is more stable? or A B A They have same stability B Onto which of the numbered atoms in this structure can the negative charge be moved by resonance delocalization? 8 4 5 3 7 HC 2 co 1 2, 4, 6 only 1, 3, 5, 8 only 1, 3, 5 only 2, 4, 6, 7 only Which Newman projection represents the most stable conformation of the following compound when viewed down the 2-3 carbon-carbon...
Which of the following have the R configuration? н CH3 Br CH2CH2CH2CH3 H3C CH2CH3 NH2 HO=CH HC Н CH(CH3)2 H 2 3 only 1 only 2 only 1 and 2 only 2 and 3 1, 2 and 3 only 3
Which of the following is a meso compound?
CНЗ -cl -с1 Br Br Cl CH2C1 Cнз -с1 с1-1-н снз CHз н-|-с1 H-|-с1 CH2CH3 Ht CHЗ H-|-с1 н- -сi Cнз CHЗ н--сi с1-1-н CH2CH3
14) When (R)-2-bromobutane reacts with Cl2/hw, which of the following is true CH3 CH3 H--C1 CH3 CH3 A) Only I is formed. B) Only II is formed. C) I and II are formed in equal amounts. D) I and II are formed in unequal amounts. E) I and II could never form under these conditions. 15) Which of the following compounds is more stable? Explain. -CHb. 16) Give the best product for the reaction. CH CH:CH Br, ight 17) Complete...
Draw a detailed mechanism for the following transformation 1. Br. Br HBr HO 2. What are the major product (s) formed in the following substitution reaction? Draw as Fisher projections CH;CH2ОH CH-CHз Нас— вr CH2CH2CH3 Draw the mechanism for the following reaction. 3. HO Br Draw the major organic product(s) produced in the following reaction as Fischer projection. 4. CHз ОСHЗ Н NaN3 Н. -CH3 Н- Br DMSO CH3 Draw the mechanism for the following reaction to demonstrate how the...
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...
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