By using only amide/Peptide bond forming rxn and a lKylation rxns. Provide all the reaction steps with the reagent needed and conditions with out showing the mechanism for each step to form the product. Note: Use protecting groups like (Boc, Fmoc, and others) H2NNH2+
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By using only amide/Peptide bond forming rxn and a lKylation rxns. Provide all the reaction steps with the reagent needed and conditions with out showing the mechanism for each step to form the product. Note: Use protecting groups like (Boc, Fmoc, and others) H2NNH2+
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- Consider the synthetic sequence shown. Draw the structures of organic compounds A and B. Omit all byproducts. H2C=CH2 1) B2He/THF 2) H,Ог. NaOH/H0 Draw compound A. Select Draw Rings More Erase compound A C РСС compound B 1. CH3CH2M9B 2. H3O* 3. CrO3 Draw compound B. Select Rings More Erase Draw H.Optically active amino acids such as alanine undergo racemization at the a-position when treated with strongly basic conditions. Provide a mechanism that supports this observation. For the mechanism, draw the curved arrows as needed. Include lone pairs and charges in your answer. Do not draw out any hydrogen explicitly in your products. Do not use abbreviations such as Me or Ph. 25.52a Draw step 1 of the mechanism (draw the enolate form). H.C. + OH H,N Edit DrawingConsider the synthetic sequence shown. Identify the reagents for all three steps. Draw the structures of organic compounds A and B. Omit byproducts. Reagents: 1) 03, 2) Zn, H₂O Mg 1) ethylene oxide 2) H₂O+ 1) 03, 2) H₂O₂ 1) CH₂CO3H 2) H₂O PCC H₂, Pt 1) CH₂MgBr 2) H3O+ reagent 1 compound A Br reagent 2 compound B reagent 3 H
- a. Explain why the alkyl halide shown here reacts much more rapidly with guanine than does a primary alkyl halide (such as pentyl chloride). b. The alkyl halide can react with two guanines, each in a different DNA chain, thereby cross-linking the chains. Propose a mechanism for thecross- linking reaction.Write a reaction sequence of 4 steps and, afterwards, write the retrosynthesisDevise a synthesis of the tripeptide sequence Phe Thr Lys using acid chloride below and N-methylmorpholine (NMM) for your coupling. Propose a detailed reaction mechanism for this step. You may use any readily available reagents/ protecting groups for your synthesis. In your answer you should clearly state the chosen reagents and how they are introduced and removed in your synthesis. Mechanistic details, for these steps are NOT required. Ph `NH2 NH NH `NH CO HO Phe Thr Lys `NMe
- Explain how phenacetin result in toxicity in this reaction( explain the reaction)??? Toxicity by Sulfation • Sufation of N-hydroxylarylamines can generate reactive electrophile that can lead to hepatotoxicity and Carcinogenicity HO, & OEt phenacetin 7.127 ỎEt sulfotransferase 03SQ ÕEt :OEt 7.145 ÖEt OEt Protein nucleophile Attack here is also possible4) An undergraduate researcher, James, was given the task of removing a t-butyl ether from the tyrosine derivative A to release the free phenol. James looked up a standard t-butyl ether removal procedure and ran the reaction. Instead of getting the desired product, B, he got a high yield of C. Show a reaction mechanism that explains why James did not get the desired product. Make sure your mechanism explains why James only got the ortho product. A HO. NHAC NHAC OBn OBn HO NHAC F3C OH OBn DCM, r.t. B 0% yield C 99% yieldGiven the information pictured, The final step of the reaction sequence uses PhLi. Provide a reason and possible mechanism by which this final elimination and hydrolysis reaction would occur.
- Draw the product that valine forms when it reacts with CH,COCI, pyridine; then H,O. You do not have to consider stereochemistry. Do not draw organic or inorganic by-products. Draw the product in neutral form unless conditions are clearly designed to give an ionic product. Include cationic counter-ions, e.g., Na" in your answer, but draw them in their own sketcher. Do not include anionic counter-ions, e.g., I, in your answer. opy aste ChemDoodleNeed help with this SN2 esterification reaction mechanism with pushing arrows. Please help.TM H Show the synthetic sequence that converts acetylene to the target molecule (TM) shown below.
