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- Predict whether the cyclic system is aromatic , anti-aromatic, or non-aromatic by counting electrons and explain why ? Also circle all the basic nitrogen’s wherever possible . Show all lone pairs which are involved in cyclic delocalization?Aside from the multiple ring systems shown in the table, Naphthalene, Anthracene,Phenanthrene Chrysene,Pyrene, and Benzopyrene. Search for 1 multiple ring aromatic compound and list down its properties, sources, and uses or applications.Please provide bond energy dissociation accurately for these 3 bonds for the below structure (with reference must be from a book or an article which I can find please): between carbon - carbon within the aromatic ring; between carbon - carbon between two aromatic rings; and between carbon - hydrogen within the aromatic ring. Thanks so much for your help!
- FUNCTIONAL GROUPS The research team on Natural Products Chemistry from De La Salle University-Dasmariñas under Mr. Gab has discovered a novel compound from an endemic Philippine nudibranch, Chromodoris cavitensis, whichinhabits the coral reef system near Caylabne Bay in Ternate, Cavite. Exhaustive analysis has revealed acomplex structure as shown below which they aptly named as “chromocavitenin”. Initial tests revealed that thiscompound has potent anti-carcinogenic properties. Encircle and identify the 13 distinct functional groups that arepresent in chromocavitenin.The global consumption of synthetic dyes is increasing due to increase in demand invarious processing/manufacturing industries. Analyze why among the large number of organic molecules, only relatively few moleculesare considered as dyes. Select any one dye which is used in industry and give justificationof type of the dye, its application in the industry and related reactions.Please write down the resulting products. How can I know which of the two substituents already present is more strongly conducting in the case of double-substituted benzene? Is generally ortho preferred to para? In the example of OH and NH2 both otho,para conducting. So are there three possible products?
- 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 reasoningTheoretical mass of P-Coumaric acid is 164.16, in LCMS analysis it observed 146.9 why this is so? & same issue with other phenolics, Please Answer.?The name of the parent six-membered sulfur-containing heterocycle is thiane. It is numbered beginning at sulfur. Multiple incorporation of sulfur in the ring is indicated by the prefixes di-, tri-, and so on. (a) How many methyl-substituted thianes are there? Which ones are chiral? (b) Write structural formulas for 1,4-dithiane and 1,3,5-trithiane. (c) Which dithiane isomer (1,2-, 1,3-, or 1,4-) is a disulfide?(d) Draw the two most stable conformations of the sulfoxide derived from thiane.
- Aspirin, or 2-acetoxybenzoic acid, (C9H8O4) is often synthesised from salicylic acid.(i) Sketch and discuss any changes in the number of possible structural conformations ofaspirin relative to those of salicylic acid. (ii) Re-draw the structure predicted to be the lowest energy conformation of aspirin,indicating any expected stabilising and destabilising interactions. Justify your choice.Thoroughly describe what is meant when a compound is considered aromatic. In your answer, provide examples and be sure to discuss how Huckel's Rule applies, and what it means to be anti-aromatic versus non-aromatic. When providing specific examples to demonstrate the requirements that you list, describe the delocalized pi electrons and sp2 hybridization. Lastly, why is benzene so special compared to alkenes like cyclohexene....both are 6-carbon atom cycles so are they chemically similar or not really similar at all?Please advise if these models resemble the cis-2-bromocyclohexanol & trans-2-bromocyclohexanol. Can you please advise on the priority numbers of each substituent. I am confused from the reading. Is the proproty a single element, the group of elements, the left and right carbon atoms? Please advise and give commentary on Br. & Methyl group oriantation related to the doubl carbon bond plain. And if you can provide a visual that would be even better for the futre, the more detail the better my study notes will be. Thank you. Justin