One of the constituents of turpentine is a-pinene, formula C10H16. The following scheme gives some reactions of a-pinene. Determine the structure of a-pinene and of the reaction products A through E. C C10H1302 C10H 16B12 Br2 CCl4 H30+ D PHCO3H Br2 C40H480 C10H16 C10H17OBI B a pinene H20 03 (CH3)2S heat CHO E CH
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- In which of the statements given below, the event is not an oxidation reaction? A. Product formation as a result of the reaction of benzoine with nitric acid B. Formation of the product as a result of the reaction of 2-propene at KMnO4 / Basic ambient temperature C. Formation of the product as a result of the reaction of 2-propene in KMnO4 / Basic medium cold D. CH3CH2OH + KMnO4 → CH3COOH E. Reaction of an alkyl halide with ammoniaOrganotin 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?Describe 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.
- 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 + 4Al(C2H5)3 3Sn(C2H5)4 + 4AlCl3 In one experiment, 0.230 L of SnCl4 (d = 2.226 g/mL) was treated with 0.396 L of triethylaluminum (Al(C2H5)3); d = 0.835 g/mL). If 0.335 L of tetraethylstannane (d = 1.187 g/mL) were actually isolated in this experiment, what was the percent yield?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?Compound P (C2H4) which is an alkene undergoes reaction with HCl to produce compound Q (C2H5Cl). Reaction of compound Q with benzene in the presence of AlCl3 as catalyst produces compound R. Then, nitration of compound R in the presence ofnH2SO4 produces two compounds, S and T. But when compound R is reacted with a hot acidified solution of alkaline KMnO4 gives compound U. Deduce the structure of compounds P to U.
- the organic compound 2-heptanone, belonging to the ketone family, is responsible for the strong penetrating odor in Roquefort cheeses. Starting from acetylene as the starting reagent, propose a synthesis line with the reaction mechanisms involved for the synthetic obtaining of 2-heptanone and use it as a food additive in analogous cheeses.Starting with benzene, toluene, or phenol as the only sources of aromatic rings, show how to synthesize the following. Assume in all syntheses that mixtures of ortho-para products can be separated into the desired isomer. Q.)2,4,6-Trinitrotoluene (TNT)(i) Name, draw and describe the organic product of the reaction between 2-methylbut-1-ene and H2O in the presence of H2SO4 and provide a clear rationale as to why this is the major product of the reaction. (ii) The elimination reaction between 2-bromobutane and NaOCH2CH3 gives two organic products. Draw a mechanism for the reaction which produces the major organic elimination product and provide a rationale as to why that is the major product.
- Starting with benzene, toluene, or phenol as the only sources of aromatic rings, show how to synthesize the following. Assume in all syntheses that mixtures of ortho-para products can be separated into the desired isomer. Q.) 1-Bromo-3-nitrobenzeneCan you please check my work on the following ochem reaction scheme and let me know if it is correct or what is wrong... the question was: Consider 3,4-dimethylpiperidine being subjected to the following: Step 1: CH3I (excess); Step 2: NaOH, heat Step 3: CH3I (excess); Step 4: NaOH, heat Provide the bond line structures for the major organic product obtained in each step and discuss the regiochemistry for Step 2.To synthesize trans-cinnamic acid from benzaldehyde (PhCHO) and acetic anhydride (Ac2O) under basic, refluxing conditions to exemplify the Perkin condensation. 1. Draw the complete chemical reaction to be carried out. 2. Provide a complete arrow-pushing mechanism for the synthesis of trans-cinnamic acid. 3. Briefly describe the role of water, Na2CO3, and HCl in the isolation of the product. Draw the structure of the product at basic pH (after Na2CO3 addition) and at acidic pH (after HCl addition).