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Q: or the compound shown below, correctly label the stereogenic centers. HO Br H. O Cl is S; C2 is S C1…
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Q: 1 eq. Br2 Br Br + enantiomer + enantiomer A C Br ОН D + enantiomer В Br Br Br Br
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A:
Q: 23. Which of the following molecules are chiral? Which are meso? HO,C cO,H OH OH HO HO, OH OH
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Q: w. Br
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Q: If the asymmetric carbons in a molecule have been designated (2R,3S,5R), what will the designations…
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Q: 2. Assign priorities to the groups on this chiral carbon. Label it as R or S. QH H - ÓCH3
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Q: 23. Which of the following molecules are chiral? Which are meso? H OH HO,C co,H OH
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Q: Which of the following compounds represent enantiomers: * CH,OH CH CH, H IHOI HO CH, HO H H OH H H…
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Q: Assign an R or S configuration to the chiral center in each molecule.
A: configuration to the chiral center in each molecule is
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Q: 08.20b 1) Вн, THF 2) H,0, NaOH ? Modify the given carbon skeleton to draw the major product(s) of…
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Q: Identify the reagents (a–h) needed to carry out each reaction.
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Q: Consider the stereochemistry of the mixture of compounds and its optical activity. Fil H;C H3C" F H.…
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Q: Assign an R or S configuration to the chiral center in each molecule.
A: Chiral center has R-configuration.
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- up an example (not appearing in this ChemActivity) of a pair of molecules that are a)constitutional isomers, b) conformers. c) configurational stereoisomers.a. Fill in the boxes with the missing structures. Be aware of stereochemistry. 1. LDA H3CO₂C 2. J CN Br t-BuOK THF H3O A5. What are the structures of A, B, and C? NBS NaOCH2CH 3 A B hv CH3CH,OH, 4 CHO CH2=CHCO,H 1. 03 2. S(CH3)2 HO2C CHO
- Describe the stereochemical relationship between the two structures below. H H CHO OH OH CH₂OH I OA Mesomers HO H B. Enantiomers OC. Conformers D. Raceomers E.Diasteromers CHO -H -OH CH₂OH IIWhich of the following molecule(s) is(are) chiral? A. B. C. N H₁ H✔ A B Ru Fe B H H A and C A and B B 7²+ -H H1. Draw a star(*) to all stereogenic/chiral carbon(s) in these molecules; Ans HO HO. HO HO, OH 2. Label each chiral carbon either as R or S stereoisomers. OH а. b. HS HO. C. Br H. H2N H Ans 3. Give (draw) an example of a meso isomer. Ans
- OH + со, Racemic .....08.20b 1) ВН, THF 2) H,O2, NaOH Modify the given carbon skeleton to draw the major product(s) of the given reaction. If a racemic mixture of enantiomers is expected, draw both enantiomers. Note: you can select a structure and use Copy and Paste to save drawing time. CHWhich compounds are meso compounds? CH;CH2 CH2CH3 CH OH H Br a. b. HOC HOC- H. C. CH3 Br H
- CH-ST15 A mixture of equal amounts of two enantiomers A. is called a racemic mixture B. is optically inactive O.C implies that the enantionmers are meso forms D. is both a racemic mixture and is optically inactive O E. is both a racemic mixture and is optically activeWhich of the following melecules is chiral? Be H a) b) CH3 OH e) d) H. CH, Br Br CH38. Identify the stereochemical relationship between the structural pairs shown below as (A) identical structures that are not meso; (B) identical structures that ARE meso; (C) structures that are enantiomers; or (D) structures that are diastereomers. a) b) H3C c) CH3 Br H. CH3 Br Br CH3 H. CI Holl H Cill Cl- CH3 Br H. CI CH3 HO. H. H3C Cl H3C- H- H. CH3 Cl a) b) c) 9. Identify the stereochemical relationship between the structural pairs shown below as (A) identical structures that are not meso; (B) identical structures that ARE meso; (C) structures that are enantiomers; or (D) structures that are diastereomers. a) b) c) CH2CH3 NH2 HO CH3 H3C. CH3 Cl HO H;C CH2CH3 F. F H;C. CI H H,N -CH3 CH3 NH2 H3C Br H2N C1 H3C CH3 CH3 H;CH,C- Cl F H. H Br CH,CH3 CH3 a) b) c)