The following compound possesses two chirality centres labeled 'a' and 'b. What is the stereochemical configuration (R vs STOF these chirality centres? a O a: S; b: S O a: R, b: S Oa: S; b: R O a: R, b: R
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- Draw the structure of an alkyl bromide with molecular formula CgH13Br that fits each description: (a) a 1° alkyl bromide with one stereogenic center; (b) a 2° alkyl bromide with two stereogenic centers; (c) an achiral 3° alkyl bromide.Tetrodotoxin, a powerful neurotoxin that causes paralysis and respiratory failure, is isolated from marine and estuarine fishes of the family Tetraodontidae like pufferfish. How many chirality centres does tetrodotoxin have? НО HN H₂N НО- ОН ОН Tetrodotoxin |-ОН ОНWhat is the stereochemical relations ship between molecules A and B shown below? он C2H5 H. H. ČH3 F A A) They are identical OH B) They are enantiomers C) They are constitutional isomers D) They are diastereomers F
- Locate the stereogenic centers in each drug. NH2 H OH C=C-H а. b. HO CH3 COOH amoxicillin norethindrone heroin (an antibiotic) (oral contraceptive component) (an opiate)Bongkrekic acid is a toxic compound producted by Pseudomonas cocovenenans, and isolated from a mold that grows on bongkrek, a fermented Indonesian coconut dish. In bongkrekic acid, abel each double bond as E or Z and each tetrahedral stereogenic center as R or S. Labels: E ZR СООН bongkrekic acid COOH H3C H3CO СООНQ7. Using the Cahn-Ingold-Prelog rule, assign the absolute stereochemistry to each stereogenic centre in compounds a-d, and determine whether they are chiral or not. а) b) ОН CI OH H3C CH3 H3C CH3 NH2 c) d) OH H O- H- Н он H3C* 'CH3 OH ОН
- Q7. Using the CabolagaldRKalog rule, assign the absolute stereochemistry to each stereogenic centre in compounds a-d, and determine whether they are chiral or not. a) b) OH OH H3C CH3 H3C CH3 NH2 c) d) OH H -0 H- H3C CH3 н он OH ОНTell whether the compounds in each set are constitu- tional isomers. w odd paneb azo! (a) CH3CH₂OH and CH₂OCH, i (b) CH3CCH3 and CH₂CH₂CH (e) O (c) CH3COCH3 and CH3CH₂COH 04 are noxed reasly s gniau feruloure & With O Our onexodoloyo of snow Ivqorqoei dinosi non-io (d) CH₂CHCH₂CH3 and CH3CCH₂CH3tem ojusen at barol 19mmosi odi nwsib oved pov ajo 0109 lortnom smisa ed asvig has and CH₂CH₂CH₂CH₂CH₂CH₂ O 88 10 Jons Hobby O || (f) ОН OHot 2 O 3 1980sqer eira dovno olusalom Barotis medo bas oudonda eds aausaib aW) trigr CH₂=CHCH₂CH₂CH320oulg and no again sdt greu amoiteta10:06 .l LTE chem1 CI CI Compaund A Compaund B a) draw the enantiomers of Compound A and Compound B if possible b) what is the Structeural reationship between compaund A and campaund B? ••. Share Modify Comment More
- Consider the following compounds: CO,H СНО ОНС. ОНС CO,H H3C H. H H3C ОН ČO,H H. CH3 HỌ A B (a) Label the asymmetric carbons as R or S on each compound (A - C). (b) Which compounds, if any, are enantiomers? diastereomers? identical?a. Assign the configuration at each stereo center for each of the following reactants. :Br: :Br: beumue ood o e b. Predict the products of the following reaction. Explain the observed stereochemical outcome using Newman projections and draw a mechanism for the following reaction. NaOEt, EtOH sollemoinoa bes sol elgne Ismborih zesv noliemyolnoo Yarsno jowolst aDaD (b c. Assign the stereochemistry of the product. 6.Identify the products. D 1. B2H6 2. H,O2, NaOH O GMU 2020 O The following compound: D.OH + enantiomer O The following compound: HO D + enantiomer O The following compound: НO D + enantiomer O The following compound: HDOH + enantiomer