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- Compound 1 Br Bri НІ T ... H The correct IUPAC names are: Compound 2 H Br Br I.. H Br The compounds are diastereomers not isomeric enantiomers identical constitutional isomers Compound 1: (2R, 3R)-1,2,3-tribromobutane, Compound 2: (2S, 3R)-1,2,3-tribromobutane Compound 1: (2R, 3S)-1,2,3-tribromobutane, O Compound 1: (2R,3R)-1,2,3-tribromobutane, Compound 2: (2S,3S)-1,2,3-tribromobutane Compound 2: (2R, 3R)-1,2,3-tribromobutane O Compound 1: (2S,3S)-1,2,3-tribromobutane, Compound 2: (2R,3S)-1,2,3-tribromobutaneAre the pairs molecules given below (pair a, b, c) related to each other as constitutional isomers, enantiomers, diastereomers, or identical? a Relationships OH Et Et Но- -H- H. .CH3 a: CI CH3 HO `H b: CI H CI c: a Relationships H H. CI-CH2CH3 H H H3CH2C- CI H3CH2C- H -CI a: b: H- -CI -- ČH2CH3 CI C: a Relationships and a: .CI b: c:Label the stereogenic center(s) in each drug as R or S. L-Dopa is used to treat Parkinson's disease (Chapter 1). Ketamine is an anesthetic. Enalapril belongs to a class of drugs called ACE inhibitors, which are used to lower blood pressure. CH3 NH CI COOH CH,CH,O,C a. Но H NH2 b. OH enalapril Trade name: Vasotec L-dopa ketamine
- 8) What is the relationship between the following compounds? H. CI H H, .... and "CI H A) B) C) D) Constitutional isomers Diastereomers Enantiomers IdenticalWhich of the following pairs of structures represent a pair of enantiomers? a. b. C. d. O a O b Oc C Od H3C... H Br C HC NC H3CH₂C COOH H... C CN CH3 Br HC H₂N CH3 OH COOH CN HC-CH3 Br Br H.C. HOOC OH H... C H₂C CN H3C C H₂N CH₂CH3 COOH HIf a mixture has an ee of 30%, what is the percentage enantiomer) of each enantiomer? (ee = excess Select one: OA. 85%: 15% 70% 30% B. O C. 75%: 25% O D. 65%: 35%
- C. IDENTIFYING STEREOISOMERS: Label each pair of molecules below as enantiomers, diastereomers or identical CO₂H HO HC но-- н H -.Н CH3 OH CH₂OH HO™ H₂OC H₂C Н-- HO Н CH3 OHH CH₂OH HOC-... HOCH₂. H OH H OH HO H CHO COzH ОНС но с HO H COzH Н ОН НО Н CH₂OHWhat is the relationship between the parent structure on the left and the structure on the right? A: Enantiomers B: Diastereomers C: Constitutional (structural) isomers D: Identical molecules O A B O C III.. ODstructures. H3C H" НО CH3 CI CH₂CH3 ationship O A. identical O B. enantiomers C. constitutional isomers O D. diastereomers ollowing pair of H3C CH₂CH3 HOCH3 CI H
- Which is the anti-conformer of pentane? H H H H CH₂CH3 H CH₂ AMA CH₂CH3 H AYA LID AMA AYA H FIR LSS RAT CH₂CH3 H H₂CH₂C CH₂CH₂ H H₂ H H RAT CH₂CH3 H -H H FIR CH₂ H H₂C CH₂CH₂ H H. H H LID -H H CH₂CH3 H H CH₂CH3 LSSb. tor each pair State whetner theyare resonaince, Znantiomer, diastereomers structural isomers or identical materals. () (H3 CH3 (1) CH3 CH3 CH3 NH2 Br (1) NH2 HO HO Br BrA newly discovered drug has two stereogenic centers having absolute configuration of "R, R." Which of the following molecules represents this drug? OH CI OH CI OH H OH H CI CI CI CI N. N. CI CI O2N HO O2N HO O2N HO O2N но C Select one: a. В b. A C. C O d. D A.