Problems: 1. Suggest a synthesis of amine (20), needed to study 135 whether cyclisation would occur during bromination of the double bond. NH2 (20)
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A: The overall reaction is given below:-Mechanism of this reaction:-
Q: A substance dissolved in water has a concentration of 0.01 M and has a transmittance of 30% at a…
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Q: CHEM 107 Dignam Name Jostine narez veras Module 11-Activity 1: Effective Nuclear Charge, Periodic…
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Q: 11. (12 pts) Provide a complete mechanism for the reaction, including all lone pairs, formal…
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Q: ii. Li NaOH H Heat
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Q: Help with TLC analysis, talk about completion or purity (Right) A) Step 1: SM Standard, Step 1…
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Q: Draw the structure of the product of the reaction below. 0 + H H+ N X 5
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Q: The chosen alkene is (1E, 3E, 5E)-1-methoxyhepta-1,3,5-triene. What is the mechanism and formation…
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Q: what is the chemical name of this stationary phase? And what are the % of each moiety
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Q: An unknown carbonate of Group 1 metal, X has the formula X2CO3 and a molar mass of 325.83g/mol.…
A: The formula of the unknown carbonate is X2CO3 and its molar mass is 325.83 g/mol. The molar mass of…
Q: A redox titration: 160.00mL of 0.0500M Sn2+ solution was titrated with 0.200M Ce4+ according to the…
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Q: SPC- Lewis Dot: 3-D Drawing: Bond angles Molecular Geom Electronic Geom # polar bonds? Overall polar…
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Q: Draw a step-wise mechanism for the following substitution reaction. Be sure to add lone pairs and…
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A: • Ag+ + Cl-> AgClSilver ions react with chloride ions to form silver chloride precipitate. This…
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Q: 2. Write a complete mechanism for the reaction shown below. NaOCH LOCH₁ O₂N NO2 CH₂OH, 20 °C O₂N NO2
A: Step 1:The 2-fluoro-3,5-dinitropyridine reacts with sodium methoxide to give…
Q: why does the delta B value change from 10^-3 to 10^-5?
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Q: In vibration spectroscopy, describe: Anharmonicity of vibrations: electrical and mechanical…
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A: 1. Solubility of Carbon Dioxide in Water:Given: - Total pressure: Ptotal=0.994atm - Partial…
Q: Plan a synthesis of cis-3-hexene using acetylene as your only source of carbon atoms.
A: Step 1:Lindlars catalyst exclusively used to reduce alkyne to cis alkenes Step 2: Step 3: Step 4:
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Q: How would one determine the percent ratio of Nacl and NaHCO3 in a mixture of an unknown amount of…
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Q: Rigid rotor model. State the formula that gives us the rotation constant B.
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A: Step 1:Calculate moles of acid and base Moles ( H2SO4) = MV(L) M= moles/L = ( 0.5 mol/L)…
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Q: Describe the Franck-Condon principle for diatomic molecules with its three sections.
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Q: Relate rotary, vibrational and electronic spectroscopy with absorption, emission and Raman…
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Q: For the experiment of Investigating Entropy NaOH Trial 1: ΔT=7.8∘C, qsurroundings=1.633 kJ Trial 2:…
A: a) Was each dissolution process endothermic or exothermic?The dissolution processes for both NaOH…
Q: 11 of 25 > © Macmillan Learning Four amino acids are shown. H- COO CH2 SH NH3 H3N لا COO -H H- COO…
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Q: PLEASE ANSWER THIS QUESTION!!! THE RIGHT ANSWER IS 1.27 X10^-7 mol/kg!!!
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Q: HCICH Br Carbon-Containing Starting Materials OH Target Molecule 2
A: Step 1:The synthesis of the target molecule from the given carbon-containing starting materials is…
Q: Indicate the molecules that present a pure rotational Raman spectrum: (a) CH2Cl2, (b) CH3CH3, (c)…
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Q: Listed below are depictions of common RP-HPLC stationary phases. a. Name each phase b. Label each…
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A: Step 1:Rules for nomenclature:1)Find the longest carbon chain 2)Identify and name substituents…
Q: The rate of reaction of [0.1 M] sodium cyanide with [0.1 M] 1-bromo-heptane is 1.2 x 10-3 M/s. What…
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Q: In a diatomic molecule, two atoms 1 and 2 combine. Atomic quantum numbers couple together in various…
A: In quantum mechanics, the quantum numbers describe the state of a physical system. For a diatomic…
Q: Show a curved arrow mechanism for the following adol formation and dehydration.
A: The elimination of -OH group occured via E1CB mechanism (elimination via formation of conjugate…
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Q: Infrared Spectroscopy (IR) is very useful for determining the functional groups present in an…
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A: A molecule with a carbon-carbon double bond (C=C) is reacted by adding water (H2O), which causes a…
Q: Indicate the quantum numbers of the molecular electronic terminals. Diferenciarlos de los ayómicos.
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- 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?Following is a synthesis for toremifene, a nonsteroidal estrogen antagonist whose structure is closely related to that of tamoxifen. (a) This synthesis makes use of two blocking groups, the benzyl (Bn) group and the tetrahydropyranyl (THP) group. Draw a structural formula of each group and describe the experimental conditions under which it is attached and removed. (b) Discuss the chemical logic behind the use of each blocking group in this synthesis. (c) Propose a mechanism for the conversion of D to E. (d) Propose a mechanism for the conversion of F to toremifene. (e) Is toremifene chiral? If so, which of the possible stereoisomers are formed in this synthesis?Show how the synthetic scheme developed in Problem 23.67 can be modified to synthesize this triiodobenzoic acid X-ray contrast agent.
- Treatment of acetylene with a suitable base affords lithium acetylide, which was used as a reagent in a partial synthesis of the antitumor natural product (+)-acutiphycin. (Org. Lett. 2014, 16, 1168-1171) Possible bases to consider H-C=C-H Acetylene Step 1 Li :Base T H-O: Li Lithium hydroxide (LiOH) three steps Lithium acetylide Draw the structure of lithium acetylide. Draw Your Solution di. Η Η Η Η | | | | H-C-C-C-C: II HH HH Butyllithium (BuLi) OR CEC- Li OH CH3 -H CH3 Lithium diisopropyl amide (LDA) OMe H3C H H₂C many steps Li HO OH I (+)-Acutiphycin CH3 CH₂ "OHWhich of the following methods does not work to synthesize benzoic acid? CrO3, H2SO4, H,O A) C,HSCH2OH Mg CO2 Н B) C,H5BT NaCN НО, Н C) C,H5B. Na,Cr,O; D) C,HSCH3 H2SO4, H20 APropose a synthesis of methamphetamine from benzene. Can the isomers of methamphetamine bg resolved? NH Propose a synthesis of phenacetin from phenol. NH HO
- Propose a mechanism for the conversion of D to E[ 30] what is major product from following reaction ? SOCI, phenol (a) benzylacetate (b) phenylacetate (c) phenylpropanoate (d) propanoylchloride (e) para-acetylphenol[ 20] Which sequence of reactions would yield following compound (benzophenone) as product ? ( a) phenol + benzoyl chloride + AICI3 (b) benzene + phenol + AICI3 (c) benzene + benzaldehyde + AlCl3 (d) benzene + benzoyl chloride + AlCI3 (e ) benzoyl chloride + AICI3
- Amines Formations and Reactions a. Write the mechanism and show the product of the reaction of 3- pentanone with n-butylamine with the molecule below with a catalytic amount of acid: 강 NH2 H+Identify the reactions needed to prepare A) (1) Acetyl chloride, (2) LIAIH4, (3) Benzyl bromide B) (1) Benzaldehyde/NaBH3CN, (2) Formaldehyde/ NaBH3CN C) (1) Methyl iodide, (2) Acetyl chloride, (3) LIA|H4 D) (1) Benzyl bromide, (2) NaBH3CN N-benzyl-N-methylbutylamine from 1-aminobutane?How would you synthesize the following compounds from butanenitrile using reagents from the table? Use letters from the table to list reagents in the order used (first at the left). Example: ab a b с d 1. NaOH/H₂O 2. H3O* 1. BH3/THF 2. H₂O2/NaOH a) Butanal PBr3 Dess-Martin periodinane in CH₂Cl₂ b) Pentanoic acid e f g h Reagents SOCI₂ 1. LiAlH4 2. H3O* NaCN CrO3/H3O* i j k 1 1. NaBH4 2. H3O* 1. CH3CH₂MgBr / dry ether 2. H3O+ 1. (CH3)2CHMgBr / dry ether 2. H3O* conc. HCI
