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1. What kind of reaction is the reaction between N, N-diethylaniline, and diazonium salt? Supply a mechanism for this coupling reaction.
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- If you were ask to prepare ethylamine, suggest two ways which you would give that would give you exclusively the desired product. Explain what is happening in each reaction steps.Give the expected products of lithium aluminum hydride reduction of the followingcompounds (followed by hydrolysis).(a) butyronitrile (b) N-cyclohexylacetamideIn an aqueous solution containing sodium bicarbonate, aniline reacts quickly with bromine to give 2,4,6-tribromoaniline. Nitration of aniline requires very strong conditions, however, and the yields (mostly m-nitroaniline) are poor.Explain why nitration of aniline is so sluggish and why it gives mostly metasubstitution.
- You have to prepare the diazonium salt with p-nitroaniline and aniline. What you would expect to be different observation aniline having NO2 at its para-position in the preparation of their diazonium salts?In an aqueous solution containing sodium bicarbonate, aniline reacts quickly withbromine to give 2,4,6-tribromoaniline. Nitration of aniline requires very strong conditions,however, and the yields (mostly m-nitroaniline) are poor.(a) What conditions are used for nitration, and what form of aniline is present under theseconditions?Give the expected products of lithium aluminum hydride reduction of the followingcompounds (followed by hydrolysis).(a) butyronitrile (b) N-cyclohexylacetamide (c) e@caprolactam
- Explain and show the synthesis of Losartan and the lead compound of Losartan? Please answer at your own words.Why cis-Ru(II)Cl2(DMSO)4 reacts with pyridine, et cetera, to give substitution of the DMSO but not the chloride ligands, but trans-Ru(II)Cl2(py)4 react with suitable Na+ and K+ salts in aqueous pyridine to afford chloride-substituted derivatives. write the reactions equations.About defroxamine (all are correct except Select one: it is a water instable compound produced as injectable powder for instant reconstitution used to treat hemochromatosis due to its poor GIT absorption administered as I.M and I.V injection the precursor is a ferric ion natural product obtained from the bacteria Streptomuces pilosis modified through removal of iron III then converted as mesylate salt its a tridentate chelating agent of great water solubility as well as stability forming a hexagonal complex
- When cyclohexanol is dehydrated to cyclohexene, a gummy green substance forms onthe bottom of the flask. Suggest what this residue might be, and propose a mechanismfor its formation (as far as the dimer).Organotin compounds play a significant role in diverse industrial applications. They have been used as plastic stabilizers and as pesticides or fungicides. One method used to prepare simple tetraalkylstannanes is the controlled direct reaction of liquid tin(IV) chloride with highly reactive trialkylaluminum compounds, such as liquid triethylaluminum (Al(C2H5)3). 3SnCl4 + 4AI(C2H5)3 →3Sn(C2H5)4 + 4AlCl3 In one experiment, 0.160 L of SnCl4 (d = 2.226 g/mL) was treated with 0.346 L of triethylaluminum (Al(C2H5)3): d = 0.835 g/mL). What is the theoretical yield in this experiment (mass of tetraethylstannane, Sn(C2H5)4)? If 0.257 L of tetraethylstannane (d= 1.187 g/mL) were actually isolated in this experiment, what was the percent yield?Primary amines can also be prepared by the reaction of an alkyl halide with azide ion, followed by catalytic hydrogenation. What advantage do this method and the Gabriel synthesis have over the synthesis of a primaryamine using an alkyl halide and ammonia?