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- i need help with predicting the Ir spec for the final product i also need to make it look like the example with the table and the 1h-nmr digram i made an example of how it needs to look like the lab called Electrophilic Aromatic Substitution: Friedel-CraftsAlkylationPredict the MAJOR product for the following are new with nitric acid/acetic anhydride (reagents for EAS nitration) A. Benzaldehyde B. Cumene (isopropylbenzene) C. A mixture of A and B (which one is major and forms fastest)? Justify with sigma complex analysis show work and steps.Show the detailed reaction mechanism (Suzuki Cross-Coupling Reaction) of benzo[b]quinolizinium-9-trifluoroborate and 9-arylbenzo[b]quinolizinium derivatives (show movement of electrons, reagents, conditions, final product and biproducts etc.)
- In the beginning of this video https://www.youtube.com/watch?v=9Ng6Zv9oLzk, what reason is given on why the dienophile likes the diene?Describe every aspect of the procedure clearly and explicitly. Include temperatures, appearance of the reaction (include pictures!). How is the reaction monitored? Is the order of addition important? 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…What are the starting materials, intermediate, and synthetic strategy for the attached molecule? For the synthetic strategy of the molecule, please show the stereochemistry we want to attain through the synthesis. I included an example of how the synthetic strategy should look.
- 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.Give mechanism of norrish type 1 reaction of cyclopentanone in gas phase and in solution phase Please answer ASAPi need help with predicting the Ir spectrom for the final product i also need to make it look like the exanplem with the table and the ir spec i made an example og how it needs to look like and linked the lab called Electrophilic Aromatic Substitution: Friedel-CraftsAlkylation
- Chemistry please provide the flow of electrons aswell!! thank you! using the starting material (on the left) to determine the sythetic route which will be the most reaosnable and effective to theres none, you have to start witth the begin products to get to finish needed by using the minmium reagents and reactions needed to get to the final productShow the detailed reaction mechanism (Suzuki Cross-Coupling Reaction) of benzo[b]quinolizinium-9-trifluoroborate and 9-arylbenzo[b]quinolizinium derivativesE. J. Coreys 1964 total synthesis of -caryophyllene (essence of cloves) solves a number of problems of construction of unusual-sized rings. The first step uses an efficient photochemical [2 + 2] reaction. The desired stereochemistry and regiochemistry had been predicted based on model reactions. (a) [2 + 2] Reactions are quite common in photochemical reactions. Would this reaction be predicted to occur in the ground state? The next steps follow. Basic alumina is a chromatography support that will often act as a base catalyst. (b) What is the mechanism of the first step? (c) What is the mechanism of the second step? (d) Look at later steps in the synthesis. Does the stereochemistry of the added carbomethoxy group matter? The next steps are shown here. (e) What is the structure of compound (A)? (f) Give a mechanism for the formation of the cyclized product. (g) Give a mechanism for the first step. Hint: Attack on the lactone carbonyl may be the first step. (h) Give a structure for product (B). The following two steps are next. (i) Show the reactions of (B). (j) Write a mechanism for the ring-opening reaction. Hint: Note the presence of an acidic proton and a good leaving group in the molecule. The synthesis was completed by the following steps. (k) What is (C)? (l) What reagents would you use for these transformations?