Cojmpound G can be prejpared via C-C coupling reaction of compounds E and F as shown below. H OMe E + F G i. Propose the structure of compounds E and F. Give the reagents and reaction condition H. ii. Name the above reaction. iv. Write the catalytic cycle of the reaction.
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- I need specific description of the compounds involved in the synthesis (functional groups, specific features). and also describe the steps involved in the synthesis and the role of each step. And most important!!devote one to each step of the synthesis. Each step should clearly indicate the reagent used, the stereochemistry involved in the reaction and its importance or relevance to the multistep synthesisFor butenafine, develop a synthesis that starts with napthalene and benzene. (aromatic methyl groups can be converted to alkyl bromides using Br2/light, and aldehydes by heating the alkyl bromide in DMSO, eg. ArCH3 to ArCH2Br then to ArCHO).In the chemical reaction between crotyl chloride and ethanolic silver nitrate solution, a precipitate is definitely formed. Using the skeletal structures of the molecules, write out the skeletal structure of each reaction (don't include the mechanism). Identify what the nucleophile is in each type of reaction, especially within this SN1 reaction. Explain the reactivity of each electrophile/substrate in terms of whether they are tertiary, secondary, primary, etc. for each reaction. Include the overall chemical reaction.
- 1. i)Give the structure of the product from the reaction of propanal with 1M ethanol in dry acid . ( II)What happens when further 1M of ethanol is added to the aboveDescribe how the product is purified. 4,4'-DIBROMOBIPHENYL [Biphenyl, 4,4'-dibromo-] Submitted by Robert E. Buckles and Norris G. Wheeler1. Checked by R. S. Schreiber, Wm. Bradley Reid, Jr., and Robert W. Jackson. 1. Procedure In a 15-cm. evaporating dish is placed 15.4 g. (0.10 mole) of finely powdered biphenyl (Note 1). The dish is set on a porcelain rack in a 30-cm. desiccator with a 10-cm. evaporating dish under the rack containing 39 g. (12 ml., 0.24 mole) of bromine. The desiccator is closed, but a very small opening is provided for the escape of hydrogen bromide (Note 2). The biphenyl is left in contact with the bromine vapor for 8 hours (or overnight). The orange solid is then removed from the desiccator and allowed to stand in the air under a hood for at least 4 hours (Note 3). At this point, the product weighs about 30 g. and has a melting point in the neighborhood of 152°. The crude 4,4'-dibromobiphenyl is dissolved in 75 ml. of benzene, filtered, and cooled to 15°. The…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 + 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?
- The reaction of 1-bromoheptane with the propionate anion to give heptyl propionate ester is greatly accelerated by adding catalytic amounts of KI. Explain.A.) Draw two schemes, For the first scheme combine A and B. For the second, combine A and C. b.) For each scheme predict all products. c.) Label the major and minor products d.) Show all stereochemical configurations in the products, give reasons regarding sterochemical outcomes for each rxn. e.) Propose an appropriate solvent for each scheme, give a reason. f.) Discuss what by what mechanism your products are formed and why. (SN2, E2, E1, SN1)please quickly thanks ! 3.Please write out the major reaction and side-reaction in the preparation of ter-butyl.chloride, and write out the key points to use separation funnel in this process.
- 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?After E2 elimination, will the following molecule contain deuterium? Why or why not?i need to propose a synthesis pathway and reagents for the preparation of the following compound. (+/-) indicates a racemic connection. in a) im looking for a reaction that can give an anti-markinov product by addition, it could be something with boron. in b) its something with addition to conjugated dienes.