ach of the following structures, would you predict these molecules to possess aromaticity 6 6 8 (b) (c) (d) i π electrons, antiaromatic TT electrons in each ring, aromatic π electrons, aromatic TT electrons, antiaromatic
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A: Solution Explanation:Step 1: Step 2: Step 3: Step 4:
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- Which of the following are consistent with the requirements for aromaticity?I. A system with delocalized p electrons in a ring.II. 4n p electrons in the ring.III. All the ring atoms must be carbons.IV. (4n + 2) p electrons in the ring. Give the answer why.The compound MON-0585 is a non-toxic, biodegradable larvicide that is highly selective against mosquito larvae. Synthesize MON-0585 using either benzene or phenol as a source of the aromatic rings.3. Cyclopropenones are described as having aromatic character. How would you account for this, given that the ring contains three π-electrons?
- Why isn't this compound aromatic? Doesn't it fit the 4n+2 rule where there is 6 pi electrons? Or is it not planar, which is why it is not aromatic?3) In the mid-1930s, the German theoretical chemist Erich Hückel developed a rule that dealt with the aromaticity of various compounds, which became known as the Hückel Rule. Which (parts) of the compounds listed below are aromatic? Justify your answer based on Hückel's rule. You can treat the rings separately or together as you wish.Borazole, B3N3H6, is an unusually stable cyclic compound. Propose a structure forborazole, and explain why it is aromatic.
- To be aromatic, a molecule must have 4n + 2 πs electrons and must have a planar, monocyclic system of conjugation. Cyclodecapentaene fulfills one of these criteria but not the other and has resisted all attempts at synthesis. Explain.Aromatic heterocyclic chemistry: State whether the following drugs are aromatic heterocycles and if they follow the 4 aromaticity rules (unsaturation, (4n + 2)pi electrons, cyclic and flat/planar), NAME ANY HETEROCYCLES. Draw the structure of the core of any aromatic heterocycles in the drug. Riociguat, Imatinib, Clopidogrel, Glatiramer acetate, AxitinibWhich of these images are not aromatic?
- Naphthalene is a white volatile, solid polycyclic hydrocarbon used in moth balls and repellents. Looking at the structure of naphthalene given below, determine if it is aromatic or not. Please explain the reasoningCompound A whose molecular formula is C9H11ClO, is found to be aromatic, and on vigorous oxidation with hot, concentrated, basic potassium permanganate followed by acidification, a new aromatic, compound B with the molecular formula of C7H5ClO2 is formed. On treatment with bromine and a ferric bromide catalyst, compound B produces ONLY 2 monobrominated derivatives, compounds C and D, each having the molecular formula C7H4BrClO2. On treatment with sodium metal, compound A produces bubbles of hydrogen gas. Controlled oxidation of compound A with PCC first gives compound E, with formula C9H9ClO. Compound E produces a silver mirror with Tollen’s reagent. Mild oxidation of compound E by chromic acid produces compound F, with the molecular formula C9H9ClO2 which turns blue litmus red. When compound A is heated with concentrated sulfuric acid, a single compound G, whose molecular formula is C9H9Cl, is produced. On ozonolysis followed by reaction with dimethyl sulfide, compound G gives…Aromatic heterocyclic chemistry: State whether the following drugs are aromatic heterocycles and if they follow the 4 aromaticity rules (unsaturation, (4n + 2)pi electrons, cyclic and flat/planar), NAME ANY HETEROCYCLES Vildagliptin, Valbenazine, Levetiracetam, (Dolutegravir/Lamivudine)