c. lithium dicyclohexylcuprate (I) 6. In the MS spectrum of the product of this experiments (benzaldehyde + allylzinc bromide) identify the fragments at m/e 148, 130, 107. 7. The reaction of allyllithium with the aldehyde shown gives the indicated product. Show how the observed product was formed (mechanism). CO2CH3 1. Allyllithium 2. Η' , H,ο CHO

Question

I don't know what those signals indicate on the MS spectrum and I don't know the mechanism for the reaction. 

c. lithium dicyclohexylcuprate (I)
6. In the MS spectrum of the product of this experiments (benzaldehyde + allylzinc bromide)
identify the fragments at m/e 148, 130, 107.
7. The reaction of allyllithium with the aldehyde shown gives the indicated product. Show how the
observed product was formed (mechanism).
CO2CH3
1. Allyllithium
2. Η' , H,ο
CHO
Expand
Transcribed Image Text

c. lithium dicyclohexylcuprate (I) 6. In the MS spectrum of the product of this experiments (benzaldehyde + allylzinc bromide) identify the fragments at m/e 148, 130, 107. 7. The reaction of allyllithium with the aldehyde shown gives the indicated product. Show how the observed product was formed (mechanism). CO2CH3 1. Allyllithium 2. Η' , H,ο CHO

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: C. Boiling-Point Elevation Table 10.6 (data) Boiling point of pure water 96 C Sucrose Solute Ethylen...

A: The total mass of water, mass of solute, and moles of solute are calculated as,

Q: 4. In the preparation of Acetanilide, when aniline is dissolved in HCl, what is the role of sodium a...

A: Aniline is water insoluble.

Q: 32 & 33

A: Among the given compounds, toluene contains activating group which encourages electrophilic aromatic...

Q: For the reaction A+B+C→D+E, the initial reaction rate was measured for various initial concentration...

A: The order of product [A] we first look for two trails where [A] and the inital rate changes, and [B]...

Q: A wave has a frequency of 5041.28 Hz and a wavelength of 6.51 m. What is the speed of the wave? m/s

A: in the given question ,v= frequency of wave= 5041.28 Hz or s-1ʎ=wavelength of wave =6.51m the speed ...

Q: Which of the following is a furanose ring? CH2OH O. H ÓH OH HO a. CH2OH -O OH OH OH OH b. Both of th...

A: A furanose is a five membered ring system. A furanose ring contain four carbon atom and one oxygen a...

Q: at room temperature, what is saturated concentration of salt that can be dissolved? Answer in units ...

A: A saturated solution is a chemical solution which contains the maximum concentration of a solute dis...

Q: A researcher is studying the decomposition of A as shown by the general reaction below: 2 A(g) 2 B(g...

A: Kc of the reaction is calculted using ICE table.

Q: Question 16 The Ksp of barium fluoride is 1.00 x 10–6.The Ksp of calcium fluoride is 3.90 x 10–11. A...

A: Solubility product is the product of its dissolved ion concentrations to the power of their stoichio...

Q: For the reactionN2(g) + O2(g)2NO(g)H° = 181 kJ and S° = 24.9 J/KThe equilibrium constant, K, would b...

A: Gibb's free energy : It is defined as the maximum amount of useful work that can be obtained from th...

Q: Why is the formation of iron hydroxide, Fe(OH)2, from Fe2+ and OH- not considered a REDOX reaction? ...

A: Redox reaction is a kind of chemical reaction in which transfer of electrons occurs between two chem...

Q: For the reaction2NO(g)+ O2(g)2NO2(g)G° = -73.5 kJ and S° = -146.5 J/K at 278 K and 1 atm.The maximum...

A: The reaction of NO gas with oxygen gas results in the formation of nitrogen dioxide gas. The corresp...

Q: How many sigma bonds and pi bonds are in acetonitrile? (choose one) 1. 4 sigma, 2 pi 2. 5 sigma...

A: The structure of acetonitrile is

Q: Why is carbon dioxide CO2 able to be stored more effectively in ocean water vs. fresh water   a. T...

A: The carbon dioxide CO2 able to be stored more effectively in ocean water than fresh water.  This is ...

Q: EL3N OH Brt Na C三N- + H20

A: Benzoic acid reacts with pivaloyl chloride in presence of triethylamine to gives benzoyl chloride.

Q: Calculate the pH of a .05 M solution of HCl(aq)?

A: Generally, a strong acid fully dissolves, the concentration of [HCl] equals to the [H+] (H3O+) conce...

Q: How do the activation energy and the energy of reaction determine if a chemical process is endotherm...

A: Activation energy is the minimum amount of energy required to start a reaction.  Every reaction shou...

Q: Calculate the molar solubility of calcium hydroxide in a solution buffered at a pH of 4.0

A: Calcium hydroxide is an ionic compound which dissociates in aqueous solution. Ca(OH)2 <-------&gt...

Q: 1. You are given a substance that is equally soluble in water and hexane (two immiscible solvents). ...

A: Water is a polar solvent while hexane is non-polar in nature. Due to this, the two solvents are immi...

Q: MeONa NaN 7 Fe 7 Sn N.

A: 1-Fluoro-4-nitrobenzene reacts with sodium methoxide and gives 1-methoxy-4-nitrobenze as product.

Q: Question 10 of Chapter 4, General Chemistry: Principles and Modern Apps by Petrucci   Write balance...

A: A balanced chemical equation is used to represent the given chemical reaction in the forms of symbol...

Q: Consider the reaction:2HBr(g)H2(g)+ Br2(l)Using standard thermodynamic data at 298K, calculate the f...

A: Using standard thermodynamic data at 298K, the standard Gibbs free energy of formation of the produc...

Q: What would the theoretical yield and then reaction yield % be for esterification. My data point incl...

A: Theoretical yield is the amount of product predicted based on the stoichiometric ratio of the reacta...

Q: A 4.0 m H2 S O3 solution would have what mass percent of H2 S O3 in this solution? The molar mass of...

A: Mass percent of H2SO3 need to calculate with the help of molality of given solution.

Q: -3. The approximate CCO angle in acetone, HCCCH, , is a. 180° b. 90° c. 109° d. 60° e. 120°.

A: The C=O carbon in the acetone has three sigma bonds (two sigma bonds with methyl group and one sigma...

Q: What is the solubility rule? What is a typical polar solvent? What is a typical non-polar solvent?

A: The extent of (solid, liquid or gaseous) solute quantity that dissolves in particular given amount o...

Q: Fill in each blank with either "polar" or "nonpolar": In O3, the O-O bonds are ____________ covalent...

A: Covalent bonds are the chemical bonds which involves sharing of electrons between two atoms. The ato...

Q: 1. What is the formula mass of barium phosphate, Ba3(PO4)2? 506.95 amu 570.95 amu 232.30 amu 1013.90...

A: Sum of the atomic masses of the atoms in a molecule is molecular mass.

Q: Formula Molar mass of element/ion   Moles    Mass O: F: dioxygen difluoride.   X Mol  =   Cati...

A: Mass of the given compounds can be calculated as,

Q: imagine attached for question

A: Analysing the given compound, there are three chiral carbons present which are labelled with asteris...

Q: CH4(g) + 2O2(g) CO2(g) + 2H2O(l)   Your answer was: -8.18 x 105 The actual value: -8.180 x 105 ...

A: The standard free energy change of the reaction is related to the equilibrium constant by the expres...

Q: In general terms, please describe how to carry out a recrystallization. Just give the steps that sho...

A: Recrystallization is a slow process by which a solid organic compound can be purified. In this proce...

Q: Do more complicated equations, such as NOCl2+NO->2NOCl have smaller orientation factors or do sim...

A: In complicated equation, such as the equation given below, the possible ways that the NO atom collid...

Q: what is the vapor pressure if there is 1.20 molarity glucose solution at 250.15 degree celsius

A: The vapour pressure of a solution is given by

Q: Which of the following statements is incorrect:   1. the combination of two s orbitals gives bond...

A: In the chemical bonding, an antibonding molecular orbital is a type of molecular orbital that has th...

Q: Calculate the hydroxide ion concentration, [OH–], for a solution with a pH of 5.68.

A: The concentration of hydroxide ion from the given pH is determined as,

Q: Consider the reaction, H2 + I2 => 2 HI , which is found to be half order in I2 and first order in...

A: If reaction consists of a number of elementary steps, the rate of reaction is dependent on the slowe...

Q: Which of the following bonds would be the most polar? a. C-Br b. C-I c. Cl-Cl d. C-F

A: The difference in electronegativity between the two atoms of the bond determines the polarity of the...

Q: 1. The starting material dissolves in dilute HCI, but the product acetanilide does not. Why?

A: Aniline is a base and it is water insoluble, therefore one mole of HCl is added to the aniline to ma...

Q: How would I set up this problem. A graduated cylinder contains 19.0mL of water. What is the new wate...

A: The density tells you how many grams are equal to 1mlDensity = ρ = mass/volume The density of silver...

Q: A student has 3.86 g of iron metal how many moles of iron does the student have? Given your answer a...

A: Click to see the answer

Q: I need help w/ everything thanks

A: In ClF3 (Chlorine trifluoride) molecule 3 fluorine atoms are covalently bonded to a single chlorine ...

Q: Determine the pH of a 0.125 M NH3 solution.

A: Ammonia is a weak base and its kb  is 1.75*10-5.  The given concentration of ammonia solution is gre...

Q: 5 & 6

A: 5. Benzyl chloride is obtained from benzene by using blanc chloromethylation.  Then, benzyl cyanide ...

Q: when drawing melting point composition diagram for a mixture of something such as cinnamic acid and ...

A: The melting point composition diagram for mixture cinnamic acid and urea depicts the comparison betw...

Q: Does the following cycloalkane capable of geometric (cis-trans) isomerism? Draw cis and trans isomer...

A: Cyclic compounds exhibit cis-trans isomers only when the cyclic rings are locked that is cyclic comp...

Q: 4. The maximum value of n in [Cu(EN),,J for a Cu2+-EN solution is the key to a gravimetric method fo...

A: Coordination compounds are formed by the coordinate bonding of central metal and ligand. In this typ...

Q: sodium chloride is 39.34% sodium . what mass of sodium chloride will contain 2.00 g of chloride .

A: Given that the percentage of sodium in sodium chloride is 39.34 %. Then the percentage of chlorine i...

Q: Clculate Gibbs free energy when  delta H = +125kJ/mol , T = 293K, mol and  delta S = 0.0350kJ/(mol K...

A: The change in Gibbs free energy is calculated as,

Q: What would the chemical reaction be for benzil experiment when combining together benzoin, nitric ac...

A: Benzoin undergoes oxidation using nitric acid and water gives diketone. Niric acid is used as the ox...