: 21:03 1 : 5. Provide the following: i) the major organic product of the reaction shown, and ii) the specific name of the reaction. f B) 6. Which is the best depiction of (42)-5-hydroxy-4-en-1-yn-3-one? OH 4 uu D) PPhy OH HO OH Send a chat O
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- The alcohol compound güven the formula below iş used in perfume making. Bromine benzeme and -1 synthesis of this compound using the necessary organı and indir chemicals show(a) Illustrate the following name reactions by giving example :(i) Cannizzaro’s reaction(ii) Clemmensen reduction(b) An organic compound A contains 69.77% carbon, 11.63% hydrogen and rest oxygen. The molecular mass of the compound is 86. It does not reduce Tollen’s reagent but forms an addition compound with sodium hydrogen sulphite and gives positive iodoform test. On vigorous oxidation it gives ethanoic and propanoic acids. Derive the possible structure of compound A.Outline the synthesis of racemic 3-methyl-3-heptanol, Et(Me)C(*)OHn-Bu, starting from alcohols of four carbons or fewer and any inorganic reagents or solvent needed.
- tert-Butoxycarbonyl azide was developed as a reagent for peptide synthesis at OWL's home institution, the University of Massachusetts, by Prof. L.A. Carpino. It is prepared by treating tert-butoxycarbonyl chloride with sodium azide. Propose a structure for the initially-formed intermediate in this reaction.One of the products of petroleum refinery is naphtha where, benzene could beobtained via catalytic reforming of naphtha. The obtained benzene can potentiallyto react with Lewis acid to form new carbon-carbon bond. Propose the startingmaterial and stepwise mechanism to produce new chemical structure which consista formula molecule of C11H16.An unknown hydrocarbon G, whose formula is C16H26 contains two triple bonds. Ozonolysis followed by reduction with (CH3)2S gave CH3(CH2)4CO2H and HO2CCH2CH2CO2H as the only products. Suggest a reasonable structure for compound G.
- As far back as the 16th century, South American Incas chewed the leaves of the coca bush, Erythroxylon coca, to combat fatigue. Chemical studies of Erythroxylon coca by Friedrich Wöhler in 1862 resulted in the discovery of cocaine, C17H21NO4, as the active component. Basic hydrolysis of cocaine leads to methanol, benzoic acid, and another compound called ecgonine, C9H15NO3. Oxidation of ecgonine with CrO3 yields a keto acid that readily loses CO2 on heating, giving tropinone. (a) What is a likely structure for the keto acid? (b) What is a likely structure for ecgonine, neglecting stereochemistry? (c) What is a likely structure for cocaine, neglecting stereochemistry?A chiral amine A having the R conguration undergoes Hofmann elimination to form an alkene B as the major product. B is oxidatively cleaved with ozone, followed by CH3SCH3, to form CH2 = O and CH3CH2CH2CHO. What are the structures of A and B?(a) How many Stereoisomers are possible for 9,10- dibromoexadecanoic acid?(b) Addition of bromine to palmitoleic acid primarily yields a set of enantiomers, (±) -three-9,10-dibromohexadecanoic acid. The addition of bromine is an anti-addition to the double bond (ie, it appears to occur through the intermediary of the bromonium ion). Taking into account the stereochemistry of the cis double bond of palmitoleic acid and the stereochemistry of adding bromine,Write a three-dimensional structure for (±) -three-9,10-dibromohexadecanoic acid!
- show how a mass fragment of 121 could be obtained from this structure using homolytic or heteorolytic cleavage or rearranagmenet, draw mechanism using arrowsThe 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.Provide the structure for metamedrates A-H