Concept explainers
Interpretation:
The synthesis of benzophenone from the given starting materials and any necessary inorganic reagents is to be described.
Concept introduction:
Friedal Craft acylation is an electrophilic
Grignard reagents are acidic. On reaction with water, they produce
Pyridinium chlorochromate is an oxidising agent which can be used to stop the oxidation of the alcohols to
Aldehydes react with
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Solutions Manual for Organic Chemistry
- Two moles of organic compound ‘A’ on treatment with a strong base gives two compounds ‘B’ and ‘C’. Compound ‘B’ on dehydrogenation with Cu gives ‘A’ while acidification of ‘C’ yields carboxylic acid ‘D’ with molecular formula of CH2O2. Identify the compounds A, B, C and D and write all chemical reactions involved.arrow_forwardAn organic compound A of unknown structure was found to have a molecular formula C8H16. When A was poured in water and heated, compound B having a molecular formula C8H18O was formed. B upon heating with sulfuric acid was converted to C as the major product which is identical to A. Ozonolysis of C gave one molecule each of two different products D and E, both having a molecular formula C4H8O. Write the reactions involved and determine the structure of A,B,C,D and E.arrow_forward4. An organic was subjected to sodium fusion and the resulting Lassaigne’s extract boiled with FeSO4 and acidified with concentrated H2SO4, yielding a Prussian blue color. Give the structure of one organic compound which fits this description?arrow_forward
- On being heated with a solution of sodium ethoxide in ethanol, compound A (C7H15Br) produced a mixture of two alkenes B and C, each of which had the molecular formula C7H14. Catalytic hydrogenation of major isomer B or minor isomer C gave only 3-ethylpentane. Suggest structures and mechanisms for compounds A, B, and C consistent with these observations.arrow_forwardA compound A, C7H12, was found to be optically active. On catalytic reduction over platinum catalyst, 2 equivalents of hydrogen were absorbed, yielding compound B, C7H16. On ozonolysis of A, two fragments were obtained. One fragment was identified as acetic acid. The other fragment, compound C, was an optically active carboxylic acid, C5H10O2. Write the reactions and draw structures for A, B and C.arrow_forwardDescribe the ozonolysis of alkenes one mole of a hydrocarbon(A) reacts with one mole of beomine giving a dibromo compound C5H10Br2.Substance A on treatment with cold dilute kMnO4 solution forms a compound C5C12O2(C5H12O2) on ozonolysis A,gives equimolar quantities of propanone and ethanol.Deduce the structure of substance A.arrow_forward
- Predict the products of reactions of carboxylic acids with alcohols, amines, diazomethane,reducing agents, and organometallic reagents, and give mechanisms where appropriatearrow_forwardThe compound acetophenone has a very similar molar mass to that of benzoic acid and benzamide. However, acetophenone has a much lower m.p. (20 °C) than both such that, by contrast, it is a liquid at room temperature. By considering intermolecular forces and comparing functional group structure, account for this big difference in physical properties.arrow_forwardGrignard reagent is a versatile tool in synthetic organic chemistry. Using bromocyclopentane as a starting material, show how a Grignard reagent, X, is synthesized. Reaction of X with water produces compound Y while treatment in carbon dioxide followed by hydrolysis forms compound Z. 3-methyl-2butanone reacts with X and hydrolyses to yield compound AA. Draw the structural formulae of compounds Y, Z and AA and write the chemical equations respectively.arrow_forward
- Stearolic acid, C18H32O2, yields stearic acid on catalytic hydrogenation and undergoes oxidative cleavage with ozone to yield nonanoic acid and nonanedioic acid. What is the structure of stearolic acid?arrow_forwardCompound A, C3H7Br, does not react with cold dilute potassium permanganate solution. Upon treatment with potassium hydroxide in ethanol, A gives only product B, C3H6. Unlike A, B decolourises potassium permanganate solution. Ozonolysis of Bgives C, C2H4O, and D, CH2O. Suggest the structural formulae of A, B, C and D.Write the equations for all the reactions involved.arrow_forwardA hydrocarbon (X), with the molecular formula: C8H14 is reduced in presence of sodium and liquid ammonia to give the only product (Y) with the molecular formula: C8H16. Compounds X and Y both resulting 2,5-dimethylhexane when treated with hydrogen and platinum catalyst (H2/Pt). As a result of the oxidative cleavage of compound Y (by using KMnO4 / H2SO4), a single carboxylic acid derivative with C4H8O2 molecular formula is formed. Again, as a result of the reaction of Y with perbenzoic acid, the chiral compound C8H14O is observed, but the reaction of compound Y with bromine gives the achiral C8H14Br2 as the product.arrow_forward
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