Which of the following molecules are meso compounds? CH2OCH3 сно CH2OH CH2OH H- H- H -OCH3 HO H3CO-H OH H- H OCH3 HO OCH3 CH2OH Сно CH2OH ČHĄOH II IV Link II II IV %3D
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- CH3--CH2-CH2-CH3 2CH] aleQuestion 29 Complete the statement below by predicting the major product Use the pool of possible compounds provided in the table. Write the letter exactly as it appears in the table. Do not switch le numbers. The reaction (e) below leads to the following major product Write the letter in UPPERCASE corresponding to the structure (in the table provided) that is the best possible match for the pre product. (e) HBr ROOR TABLE OF POSSIBLE PRODUCTS(CH3)₂CHCH₂OC=OCH₂CH₂ H₂SO4 H₂O
- istry Classify the following compounds as chiral, achiral (but not meso), or meso. CH3 1st structure: OH он Он 2nd structure: HO2C CO2H 3rd structure:Which of the following pairs are constitutional isomers? ClCH2CH2CH2CH3 and CH3CH2CH2CH2Cl H2NCH2CH=CHCOOH and HOOCCH=CH(H2N)CH2 CH3CH(OH)CH2CH3 and CH3CH2(HO)CHCH3 CH3CH=CHCH2OH and CH3CH=CHOCH3 CH3OCH2CH2CH2CH3 and CH3OCH2CH2CH2OCH3ove PhyP=CHCH₂ AgNO₁ NH₂OH H H₂O CH₂MgBr
- H- CO₂H CH3 F Select the appropriate stereochemical designation based on the Fischer projection shown above.1. How are each of the structures A-F related to structure X? They could be E (enantiomers), D C (conformers), or I (identical). (diastereomers), CH3 CI -Br HOH₂C- -OH CI X НО, H3C H₂C D CI Br CH₂OH CI HO STEREOISOMERS Br A CH2OH CI Br CI HOH₂COH CI CI Cl CH3 OH E -CH3 -CH₂OH B Br Br НО. Br CH3 HOH₂C CI C CI CH3 HO CH₂OH FIndicate the relationship between each pair. Choose from: configurational stereoisomers,conformers, constitutional isomers, or different formulas (Each term is used at least twice.)
- 6. For each pair of compounds below determine whether they represent the same molecule, enantiomers, or diastereomers. CH H₂N H CH J OllinO 2||2 COOH C OH CH₂ OH NH₂ CH, COOH CH3 HO H₂N CH₂4 CH CCC COOH OH NH₂ NIIIIIC CH₂ H CH3 CH3 H₂N HO H₂N COOH CH OH 5- O J CH3 COOH O H CH₂ H COOH HO CH CH₂4 HOOC COOH ........ OH JCC H NH₂ NH₂ CH₂I and II are: H H Br O constitutional isomers. O enantiomers. O identical. diastereomers. O not isomeric. H- Br -CH₂CH3 ∙H CH3 ||Two sugars differing in configuration at a single asymmetric carbon atom are known as epimers. D-mannose is a C-2 epimer of glucose (Structure I), while D-galactose is a C-4 epimer of glucose. Structure Il and IIl are H- -OH но- -H H OH HO H но- H HO H H -OH H- -OH HO OH H -OH H- -OH H OH HO. HO, OH II II Which of the following represents an aldopentose? OH H O HO O HO H но н HO H но- HO H HO H HO- H OH H OH H OH H OH OH HO Он of но" HO O OH он III IV These are chemical messengers that are secreted by endocrine glands and carried through the bloodstream to target tissues. prostaglandin deoxysugar glycoside hormones Which of the following is NOT correctly paired? cellulose: beta-1,4-glycosidic linkage amylose: alpha-1,4-glycosidic linkage chitosan: alpha-1,4-glycosidic linkage cellubiose: beta-1,4-glycosidic linkage