Draw the missing organic structures in the following multistep synthesis. Show the final product at physiological pH (pH = 7.4). Ignore any inorganic byproducts formed. + 0 O HN 1. NaOCH2CH3 2. CH3I Select to Draw
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- In the body, during the citric acid cycle the following reaction occurs as the first part of an enzyme mediated process. но OH YYYYYY OH OH H₂O NaBH4 LiAlH4 H₂SO4 and heat K₂Cr2O7 HQ OH What reagent would be used to bring about this reaction in the laboratory? OH 32. Consider the reaction scheme below: Bu;SnH 6-endo-trig 5-exo-trig Bu,SnH k = 4 x 10° s1 k= 2 x 105 s1 2% 98% Why does the 5-exo-trig pathway dominate? Provide a suitable diagram to explain your answer.pls show complete solution
- methotrexate and 5-fluorouracil , what are the endogenous substances similar to them?provide the productPredict the products of the following hypothetical biochemical reaction: ++ -O-CH2O. H H OH OH H OH + H₂O Specifically, in the space below draw the chemical structure of each product of this reaction. You can assume the reaction is catalyzed by an enzyme and takes place at physiological pH. Note: if there is more than one product, you can draw them in any arrangement you like. But don't draw more than one copy of any product, even if the reaction produces more than one molecule of it. You can use common abbreviations for small molecules, like "H₂O" for water. Click and drag to start drawing a structure. X Ś
- What type(s) of catalysis is/are present in the enzymatic reaction below? SCOA H-His CH SCOA Asp CH COASH CH: CO HO-C-COO" HO-C-COO H-CH, acetyl-CeA SCOA CH, CH; CH COO COO COO oxaloacetate an intermediate citrate Select one or more: a. general acid b. general base C. metal ion d. specific base e. nucleophilic f. specific acidQ2 CH,OH CH,OPO,2- H H OH H OH 0-PO,2- но но OH H. OH OH Glucose-1-phosphate Glucose-6-phosphate Calculate the standard free-energy change (AG°) fo the reaction catalyzed by the enzyme phosphoglucomutase. When at standard temperature (25 °C) and pressure, the equilibrium of each molecule is 1 mM glucose 1-phosphate and 19 mM glucose 6-phosphate. HINT: at 25 °C, RT = 2.479 kJ/molCovalent enzyme catalysis involves the formation of a transient covalent bond between an enzyme and its substrate Below is the general structure of a commonly encountered so-called acyl-enzyme intermediate Ent- NH OH+Ent Select amino acid residues from the table beliow that have side chains with the enzyme reactive groups indicated in the above reaction (if more than one, start with lowest numbered first. Amino acid No 3-detter code What is the chemical name of the acyl-enzyme intermediate compound (acylimidazole, anhydride, ester, Schif base, thioester? 2) 3 HN HO HO HO HO (5) 6 HN HD HO HN HO HO 03 15 HN HN HO HO HO HO 08 09 20 HO