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:-
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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…
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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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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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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: 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
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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: 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.
- 4) Predict the major product(s) for the following reactions. (8 pts) (a) 1) NaOH, 12 2) H3O (b) EtO (excess) 1) NaOEt, EtOH OEt 2) 3) H3O, heat (c) 1) LDA, THF 2) Br OH (d) Br₂ PBr3 BrReaction of Aldehydes and Ketones with Organometallics: Grignard and Lithium For the following reactions: 1) Illustrate the reaction for the formation of the organometallic 2) Write the product of the reaction 3) Illustrate the mechanism of the reaction with arrow movement.Pyrethroids are insecticides that target the nervous systems of insects. They have found widespread use because they have low toxicity to mammals and readily degrade in the environment. Consider the synthesis route of the following pyrethroid. X CCl₂ CCl4 Cl3C 2 eq. MeO a. Outline a probable mechanism for converting X to Y b. Suggest a reason for the regioselectivity of the formation of Y Z
- a. Enamines formed from the cyclic secondary amine pyrrolidine are important intermediates in the synthesis of 1,5-diketones. On the structures provided below, formation of an enamine from cyclopentanone and piperidine. draw the curved arrows for the reaction mechanism for the acetic acid-catalyzed H H H H eo N H H H3C- isod 1916w Proton Transfer (PT) 000 'H HO :01H SHO 6: HO H H 8²8-- H H 12.H food to shujounte sitt allarWm H OH M HO N[ 30] what is major product from following reaction ? SOCI, phenol (a) benzylacetate (b) phenylacetate (c) phenylpropanoate (d) propanoylchloride (e) para-acetylphenolIdentify 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?
- Kindly answer no 3 a,b &cReagent 3 list; commas separate the choices benzylamine,cyclohexlbromide, cyclohexylamine NaBH3CN catalytic H+, h30, NaOH Reagent 4 list; CH3(Ch2)2MgBr, cyclohexylamine NaBH3CN catalytic H+, Na2 Cr2 O7 H2O H2SO4,cyclohexabromide reagent 5 list; cyclohexylamine NaBH3CN catalytic H+,CH3(Ch2)2MgBr, cyclohexabromide, benzylamineSeveral sulfonylureas, a class of compounds containing RSO2NHCONHR, are useful drugs as orally active replacements for injected insulin in patients with adult-onset diabetes. These drugs decrease blood glucose concentrations by stimulating b cells of the pancreas to release insulin and by increasing the sensitivity of insulin receptors in peripheral tissues to insulin stimulation. Tolbutamide is synthesized by the reaction of the sodium salt of p-toluenesulfonamide and ethyl N-butylcarbamate . Propose a mechanism for this step.