Show the detalled, step-wise mechanism of the substitution reaction below and predict whether only one, or both of the stereoisomers will form. Clearly explain your answer. HN
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- The reaction below could run through both substitution and elimination reactions. 1. Provide the correct reagent to produce the products shown 2. State which mechanism(s) was followed6) Complete the following mechanism. (D and SN2) H Br. NaH "H: " 7) Complete the following mechanism. (D and SN2) H NaH "H: " Br. SN2 Good Nucleophile SN2 ether THFaddition of hbr to a double bond with an ether (-or) substituent occurs regiospecifically to give a product in which the Br OR are bonded to the same carbon. Draw the two possible carbocation intermediates in this electrophilic addition reaction,and explain using resonance why the observed product is formed.
- b) Explain in detail what characteristics of the alkyl halide influence whether a mechanism will be SN1 or SN2. c) Explain in detail what characteristics of a nucleophile influence whether a reaction will be SN1 or SN2.3,) you have now eliminated one substitution site and should have two possible sites remaining. Provide a mechanism for the formation of each of the two remaining products. You should include all possible. Resident structures for the cat on intermediates. There should be four resident structures in each mechanism. You do not need to show the mechanism for the formation of the electrify you may assume that only a single iodine will add to the ring. a. b. GOLDEST GAD SE 1029 OH H OH 02AB o 1o1 meiasdoorn woms bevis song of olds pel I+ noboibong tombong 10 to asiqisminoviowTill bris H₂O, EtOH naut nobibba as gada tasest 30 no odt to toubong Input sdr lo notaxillaryn I+ bouborg on to ving di salmsibb or O etshqoqs edt onimaob or atob MM O bax H seu zie.baz anoitecu dale19 H₂O, EtOH lliw gan snated a no quorg lanoituut invellib.noimadue shamore siliqotools al Hoib blaos tad aquosy Insoitonut oor za milline V.mobest ad not sila noistade sitt lenoiraut dues bleno) nobedog ad to goitool…9) Suppose I want to perform a simple substitution reaction, replacing the OH with a Cl in the following compound. Which of the following reagents works best? Explain (and that means explain why the wrong answers are wrong as well as why the right answer is right). Option A: Addition of HBr Option B: Addition of SOC12/pyridine Option C: Addition of SOCl2 only OH ? J1
- 2. Provide a detailed mechanism for the following reaction: Br NBS lightReaction of the cyclic product with a nitron (see below) yields a mixture of heterocyclic Điastereomers. fiwD. NO, f) Name the reaction g) Draw one of the diastereomers. h) Show the orbital interaction and explain all aspects of stereoselectivity for the diastereomer that you selected.Given the following compounds: 1-bromopropane, 1-chloropropane, 2-chlorobutane, and 1-chloro-2-methylpropane Order them based on their reactivity against the SN2 reaction (decreasing). Will the substitution proceed faster with CH3O- or CH3S-? Reason for it.
- 6. A synthesis of a molecule being explored as an antidepressant drug (J. Org. Chem 2012) utilized the synthetic step shown below. Propose a plausible mechanism for this transformation. AICI3 H,C=CH, Br Br3. Predict the substitution products of the following reaction and pay attention to stereochemistry. Draw the mechanism for this SN1 substitution reaction. Draw all pertinent molecular orbitals (i.e., bonding, anti-bonding, non-bonding) involved in this mechanism. OH EtOH HCI (cat)(4d) and PhMgBr, followed by reaction with the acid. Please draw that mechanism here! Even though benzoic acid is reformed as the product, a reaction does take place between benzoic acid 1. PhMgBr HO, 2. H30*