3. Acetone, CH3(C=0)CH;, is known to all biologistsbecause of its usefulness as a solvent and cleaner.When PURE, acetone trimerizes (3A à 1B) to give1, 1, 3, 3, 5, 5 - hexamethyltrioxane, C,H18O3,which, SURPRISINGLY enough, has NO carbonylgroups. Only(C,H1,C1O;) of this trioxane derivative is possible.Propose a structure for this compound.oneMONOchloro derivative

DBE of 1,1,3,3,5,5-hexamethyl trioxane = (C+1)+N/2-H/2-X/2 = (9+1)-18/2 = 10-9 = 1 When three…

Answered: 3. Acetone, CH3(C=0)CH3, is known to…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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(1) Complete the following reactions with the proper structures: CH212 Zn (Cu) a- diethylether b- LiCu(CH;CH,CH2)k CH3 1. liquid ammonia + NaCECH 2. H30* 1. Mg, Ether Br d- 2. H2C=O 3. Нао* Cl2(PCY3)2Ru=CHC&H5 е.
5. Consider the synthesis of 2-butanone from butyne: Hg2+ || CH3CH,-C=C–H CH;CH,-Ĉ-CH3 H3o* (iv) Name the class of compound D belongs to. (v) Comment on the stability of compound D compared to 3-butanone.
3. What is the main product for each of the following reactions? (a) p-Methylanisole + CH3CH₂COCI, AICI3 -> ? (b) Toluene + Br₂, light, then CH3CH₂COCI, AICI 3 -> ? -> ? (c) Acetophenone + CH³CH₂CI, AICI3, then Br₂, Fe -----> ? (d) Styrene + CH3CH₂COCI AICI3, then Br2, Fe (e) Benzene + 1-chloro-2,2-dimethylpropane, AlCl3 ----> ? (f) Benzene + 3-phenyl-1-propene, H₂SO4, heat > ? (g) Toluene + 1-phenyl-3,3-dimethyl-2-butanol, H₂SO4, heat (h) Benzene + HCOCI, AICI3 then 1-chlorobutane, AlCl3 - ? ‒‒‒‒
4. Protonation of alcohol A and subsequent loss of water, produces the intermediate B. CH3 CH; CH, CH, — с — сH, CH, CH;CH, - C- CH, CH; | OH A B (a) (i) Name alcohol A. (11) What type of species is intermediate B? (iii) Draw the structures of the two alkenes which can be formed from species B by removal of a proton. Label as C the alkene which shows geometrical isomerism. (b) The intermediate B is readily attacked by nucleophiles such as water. What is the essential feature of a nucleophile? (c) State what final colour you would see if alcohol A were warmed with acidified potassium dichromate(VI). Explain your answer. Colour Explanation . (ii) Draw two structural isomers of alcohol A which form branched chain ketones when heated with acidified potassium dichromate(VI), but which could not form alkene C on dehydration.
Based on the reaction scheme below, deduce and name structures A, B and C. H, Pd A KMno, B (C,H) (CH12) OH (C,H,0,) (1) O2 (2) Zn/H,0 H3C CH3 propan-2-one |
4G 4G illl 1:54 PM 43 ... 2. Name the following compounds: (c) CH3 CH3CHNH2 (a) (b) CH3CH2NHCH,CH3 N-CH3 (d) CH2CH3 (e) H CH3 H2NCH2CH2CHNH2
This question is based on the five compounds (A-E) given below. CH;-CH=CH-CH3 (B) (C) (A) CHCI=CHBR CH;-C(CI)(CH,)-CH2-CH3 (D) cyclobutane (E) CH;-CH2-C(CI)(Br)-OH 1. Label compounds A-E as either saturated or unsaturated. 2. Which of the compounds, A-E are constitutional isomers of each other? 3. Which of the compounds, A-E, is/are optically active? Explain. Would you expect any of the five compounds to have a pleasant, fruity aroma? Explain. 4.
Chemistry 3. Complete the following reaction scheme. Give all product(s) and indicate major or minor and any relevant stereochemistry. (а) NaOEt heat (b) heat (c) Br NaCN DMF (d) (e) OH H,SO,/H,PO, heat (f) HBr (g) 1) BH. THE 2) H,0, OH (h) 1) Hg(OAC), H-0 2) NaBH, (i) KMNO, NaOH Cold
(b) The activating and deactivating groups could affect the position(s) of the next incoming group(s) to the benzene ring. Based on the structure below, analyze and explain the group(s) on the benzene ring is activating or deactivating group. Then, identify the product(s) formed from the following reactions. NH, CC, CH;CH,COCI AICI, (i) NH, HNO, H,SO, (ii) H Br AICI, (iii) Page 3 of 4
3. (a) Based on the following reaction scheme, answer the following questions: CH;č - OCH,CH3 CH;C-OH Compound W Compound D H2O, H* SOCI, heat Compound Z Compound X + Compound Y (i) Give the structural formula of compounds X, Y and Z.
4. For the following reactions tell which should have kH/kD values greater than 1.5 for isotopic substitution at the starred hydrogens: (a) -CH=C=0₁ HNEI, CI (b) (c) CH₂ H₂ CH₂ CH NO₂ C CI Et N OH (CH₂ CH CH – CH₂CH₂ OSO₂Ar fo H,C NO EICH NIFT CH₂ + H₂O (CH)!=CH-CH,CH, + ArSO,H
1. The following synthetic schemes all have at least one flaw in them. What is wrong with each? (a) Br CO2H CH3CH2CHCH2CH3 1. Mg CH3CH2CHCH,CH3 2. NaCN 3. H30* (b) .CH2CO2H „CH2CH3 1. LIAIH 2. H30* (c) он он CH3CCH2CH2CI 1. 1. NaCN 2. H30* CH3CCH2CH2COH CH3 CH3

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