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How does changing the position of -OH on a molecule affect the Phi Fand deactivation mechanism?.
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- Which one of the following statements about arene oxides is FALSE? O The NIH shift is what makes arene oxides carcinogenic. O Ring opening of an arene oxide can afford an addition product and/or a rearranged product. O Large polycyclic aromatic hydrocarbons such as benzo[a]pyrene are especially susceptible to arene oxide formation. The NIH shift mechanism was discovered at the National Institutes of Health. O Cytochrome P450 is the powerful biological oxidant that epoxides an arene to give an arene oxide.BCX4430 is active against the Ebola virus. What class of drugs would BCX4430 belong to and suggest a mechanism of action of this drug. H2N HN- N. НО НО OHH,O ? ÓTs 19.
- 3a. 3b. 3c 3d. 3e. CO₂ clavulanic acid CH₂-OH H Answer the following questions about clavulanic acid. Does clavulanic acid inhibit D-alanyl-D-alanine transpeptidase? Does clavulanic acid contain a ß-lactam? Does clavulanic acid contain a thiazolium ring? What is the result of the treatment of penicillinase with clavulanic acid? Does clavulanic acid form a covalent acyl-enzyme intermediate with penicillinase?Explain triplet sensitizerH3CH₂C-MgBr a) D₂O + ? b) CD3OH c) CH3OD CH3CH₂D d) CD3OD
- 3. Atazanavir (structure below) is an orally delivered AIDS-drug which works as an inhibitor for the HIV aspartyl protease. OH Meo. .N. N. OMe `Ph Atazanavir i) Draw the high energy intermediate of an aspartyl protease-catalysed cleavage of the amide bond in the peptide R1-CO-NH-R?. ii) How well does Atazanavir follow the Lipinski's rules of five (log P 4.5)? IZ IZWhich of the following substituent is an ortho/para-directing deactivator? a amino group b halogen group c phenyl group d carboxyl group22. Establishes which of the following chemical species is stabilized by inductive effect and by hyperconjugation.a) CH3+b) CH3-CH2+c) (CH3)C+
- D-glucose can form two isomers of glucosides after reaction with methanol in presence of catalytic HCI as shown below. Suggest a mechanism for the following reaction. CH2OH CH,OH CH2OH HO CH;OH но HO но но. но OCH3 HČI HO. OH ÓCH3 OH онprovide brief explanation thnksThe rate constant for the uncatalyzed reaction of two molecules of glycine ethyl ester to form glycylglycine ethyl ester is 0.6 M- 1s - 1. In the presence of Co2 +, the rate constant is 1.5 * 106 M- 1s - 1. What rate enhancement does the catalyst provide?