3. Which of the following substituents would cause a deviation from normal Hammet plot if attached at the para position of benzyl chloride during hydrolysis reaction? I. – NO2 II. -ОСНЗ IІ. СІ A. I and II only B. II and III only C. I only D. I,II and III
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- For butenafine, develop a synthesis that starts with napthalene and benzene. (aromatic methyl groups can be converted to alkyl bromides using Br2/light, and aldehydes by heating the alkyl bromide in DMSO, eg. ArCH3 to ArCH2Br then to ArCHO).1. Which of the following is the strongest nucleophile? Refer to the diagram below with an MeOH, MeSH, etc. 2. Which of the following is true about the stereochemistry of SN1 reaction?a.retention of configuration at the electrophilic centerb.50:50 mixture of retention and inversion of configuration at the electrophilic centerc.inversion of configuration at the electrophilic centerd. slightly more inversion than retention at the electrophilic centera) Write a description of the compounds involved in the synthesis (functional groups, specific features). b) Describe the steps involved in the synthesis and the role of each step. Each step should clearly indicate the reagent used, the stereochemistry involved in the reaction and its importance or relevance to the multistep synthesis.
- Considering the elimination reactions, followed by the deprotonation of water, evaluate the following statements.i- Three equivalents of the base are needed to obtain the terminal alkyne.ii- The alkyl dialect is geminal.iii- The speed of obtaining the alkynes depends only on the concentration of the base.iv- Obtaining alkyne from alkyl dialects is accompanied by two successive elimination reactions. In the first elimination reaction it is possible to use NaOH. However, in the second, it requires a very strong base, such as liquid ammonia. It is correct to say that: i and ii, just i and iii, just i and iv, just i, ii and iv, only all except i. nahAssume that 2-chloropropane reacts with CN− in an SN2 reaction. Use the JSME editor () to draw the structure of the substitution product of the reaction. The guide on how to draw your structure can be found here Important Note: When drawing the structures in the JME editor please adhere to the following formats: 1. If the nucleophile is OH−, DO NOT manually add the "H" to the final product 2. If the nucleophile is CN−, be sure to include the appropriate bonding between the C and N in the final productTunicates are marine animals that are called "sea squirts" because when they are taken out of water, they tend to contract and expel seawater. Lepadiformine is a cytotoxic agent (toxic to cells) isolated from a marine tunicate. During a recent synthesis of lepadiformine, the investigators observed the formation of an interesting by-product (3) while treating diol 1 with a reagent similar in function to PBr3 (J. Org. Chem. 2012, 77, 3390–3400):
- Adol Condensation Lab, Organic Chemistry 2: The same physical property that helps drive the reaction to completion can also stall out the reaction before it starts. What do we do in the procedure that helps minimize this concern? (initially I said that the driving force is 1) reactivity of carbonyl compounds 2) stability of the product please be as detailed as possible, will mark as helpfulNot sure how to approach this problem.A concerted, one-step reaction is involved between tert-Butyl bromide and sodium hydride at 50 o C.True or False?