1. 2. Fill in the missing reagents, reactants, products the synthetic schemes below. Be sure to include any stereochemical details that you are able to describe. Although it is not important to indicate side products, indicate all major carbon containing organic products. If specific experimental instructions are necessary to complete the transformations successfully, indicate in your answers. Assume that all reactions are followed up with an aqueous work-up to neutralize charges. 요 i. ii. H3CO NH₂ (2 eq)
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- 3. Provide reagents/conditions to accomplish the following syntheses. More than one step is required in each case, and some reactions could lead to additional products other than that desired. Such an outcome is fine, because they can be separated based on their physical properties. The best answers for parts a, b, and c require ~3 operations, while part d requires -5 steps; answers with more than this number of steps that are correct will receive full credit. To assist with partial credit, drawing the structures of intermediate products would be beneficial. а) NH2 Br b) CI NO2 Но.6. Pick one from a) to g), one from h) to m) and any other one of the following compounds (three compounds altogether), and provide a synthetic scheme to produce the following compounds starting from toluene and/or methylcyclohexane, using any inorganic material, and any organic material with 4 carbons or less. Reagents that are not included in the final product maybe used regardless of the number of carbon atoms (for example, you may use PPh; to perform a Wittig reaction). If you have produced a compound, you can use that compound in subsequent work without showing its synthesis again. CH3 d) b) c) CH3 .N. H,C CH3 g) CH3 H,C f) e) H,C. CH3 но, `NH H. CH3 CH3 но Но CH3 CH3 но. HO CH3 j) CH3 k) H,C. h) CH2 i) H,C CH3 CH3 Br CH3 m)2. Determine the major organic products for the following reactions. Indicate stereochemistry in your answers where needed. Show all correct structure shapes in your answers. On your answer sheet, redraw the full reaction scheme starting with the starting materials and reagents given but do not show mechanisms. Be careful to draw the reagents in an appropriate form with correct bonding, not necessarily as given below. Only completely redrawn reaction schemes will be considered. For stereocenters, carefully draw out the three-dimensional description of the carbon using hatched and solid wedges. Answers showing mechanisms will receive 0 points. i) ii) iii) iv) CI OH NaOCH3 CH3OH NaOCH3 CH3OH 1.) TSCI pyridine 2.) NaSCH3 HCI CH3OH v) vi) vii) viii) OH OH OH OH 1.) PCI 3 pyridine 2.) NaSCH3 1. NaH 2. CH31 NaOCI CH,COOH 0 °C 1. NaOH 2. 3. H₂O CI
- 6. Pick one from a) to g), one from h) to m) and any other one of the following compounds (three compounds altogether), and provide a synthetic scheme to produce the following compounds starting from toluene and/or methylcyclohexane, using any inorganic material, and any organic material with 4 carbons or less. Reagents that are not included in the final product maybe used regardless of the number of carbon atoms (for example, you may use PPh3 to perform a Wittig reaction). If you have produced a compound, you can use that compound in subsequent work without showing its synthesis again. CH3 d) a) b) CH3 8:2 H₂C CH3 H₂C g) H h) H₂C CH3 HO CH3 CH3 CH3 CH₂ i) f) HO HO o= CH3 j) ΝΗ CH3 CH3 H₂C. CH3 k) H₂C. CH3 Br HO OH CH3 CH 3(c) Provide the missing reagents for the synthetic transformation shown below, along with any isolable species in between. You may need up to two steps in this transformation. No mechanistic details required in your answer. H ?? z ă EtO. (d) Suggest how the target molecule below could be synthesized from the given starting materials, including any additional reagents and any isolable species throughout the process. There is no step limit for your answer and no mechanistic detail is required. OH Br OMe MeO HN mogo-16 from starting materials Target molecule OHCreate a Synthetic pathway that you must describe in detail. Make sure to include. Pathway; Propyl propanoate from propene ( use basic reactions, Not complex ones such as; hydroboration and the synthesis of an easter by reacting an akkyl hide w/a salt) names and diagrams of all molecules involved (use either condensed structural or line diagrams) all reactants and catalysts Major and minor products, if applicable
- Kinetic control At low temperatures, molecules have low amounts of kinetic energy and therefore predominantly react through the pathway that has the lowest energy of activation and therefore proceeds at a faster rate. The product obtained through this pathway is referred to as the kinetic product. ▼ Part B Give the structure of compound A, the major product when the reaction is conducted at low temperatures. Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. ► View Available Hint(s) Love + H-Br -55 °C A NN [1] A ⒸH: 120 EXP. CONT Marvin JS by ChemAxon SOZ O IL H N CI Br 1 P F3. Compare the structure of the starting material to the structure of the product. Then, make a List of any structural changes you observe, where the changes take place, functional groups in the starting material and product, and any functional groups gained or lost. You will complete the full synthetic route for these reactions during discussion section. Optional: Include any reactions or reagents associated with the structural changes. Starting Material Product List а. HO b. Starting Material Product List с. Starting Material Product List HO HOHi there, can someone please help me solve this problem? Please make sure to clarify all steps taken to go about solving for the products and explain various terms and rules that should be known or correlate with the question. I'm using these questions to study for our final exam and need some extra clarification on rules and steps. Thank you very much in advance! You must use enolate anion chemistry as part of a synthesis of the following molecules.
- a. 1. Provide complete arrow pushing mechanisms for each of the following transformations. NaOEt EtOH heatPlease answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. For each pair of compounds, fill in the appropriate information needed to distinguish them. List of Chemical Tests (choose here)I. Halogenation: Bromination with or without lightII. Oxidation: Reaction with Baeyer’s reagent III. Reaction with Ammoniacal Silver Nitrate (AgNO3) or simply Tollen’s reagent9. Compound X, C40H67Br2F, reacts with excess H2/Pd to give a C40H73Br2F compound. How many rings are in X? How many double bonds are in X? Show your work. use ONLY reactions we have studied in class. Check your notes lides for preparations and reactions of relevant functional