Question 29 Predict the FINAL (?) product for each of the following reaction or synthetic chain: A MgBr 1. 03 (excess) ? (2 equivalents) 2. H₂O 2. Me₂S но B 1. CH3MgCl (2 equivalents) 2. H₂O C OH HO OH на зон مند شد HO A B C D OH HO OH Na2Cr2O7 H2SO4 (2 equivalents) D
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- Give the main organic product of the reaction in Figure 6. [Generate a SMILES notation: https://jsme-editor.github.io/dist/JSME_test.html. Copy the notation (CTRL+C) and paste it as the answer to this question (CTRL+V).] * Your answera. Propose a synthetic pathway for cis-[NiCl2(CO)2] using trans-effect. b. Propose the methods to differentiate the isomers in between [RhCl2(H2O)4]Cl and [RhCl3(H2O)3].H2O. Help me solve question a. and b.A hydrocarbon of unknown structure has the formula C8H10. On catalytic hydrogenation over the Lindlar catalyst, 1 equivalent of Η2 is absorbed. On hydrogenation overa palladium catalyst, 3 equivalents of Η2 are absorbed. (a) How many degrees of unsaturation are present in the unknown structure? (b) How many triple bonds are Present? (c) How many double bonds are present? (d) How many rings are present? (e) Draw a structure that fits the data.
- What is the main organic product of the reaction in Figure 11? [Generate a SMILES notation: https://jsme-editor.github.io/dist/JSME_test.html. Copy the notation (CTRL+C) and paste it as the answer to this question (CTRL+V).] * Your answerWhich reagent is required to complete the reaction in Figure 11? [Generate a SMILES notation: https://jsme-editor.github.io/dist/JSME_test.html. Copy the notation (CTRL+C) and paste it as the answer to this question (CTRL+V).] * Your answerwhat is the difference between these two the aldo condensation reaction was preformed Part A NaoH= 2.5g = 0.0625 mol Benzaldehyde= 2.65 g =0.0250 mol Acetone 0.725 g = 0.0125 mol Theoretical yield=0.0125 mol Actual yield= 2.1g Percent yield=71.67% Expected melting point= 110.5-112 degree Celsius Melting point observered= 112 degree Celsius Part B acetophenone 0.5 g, 4.2 mmol Para-methylbenzaldehyde 0.5 g, 4.2 mmol NaOH=0.18g = mol Theroretical yield=0.93g =0.0519 mol Percent yield=76.8% Actual yield= 0.715 g Melting point observered= 93 degree Celsius Expected melting point =93-94.5 degree Celsius
- Pls ignore the highlighted part __________ is reduced in thefollowing reaction: Cr2O72- + 6S2O32-+ 14H+→ 2Cr3+ + 3S4O62- + 7H2OFill in the missing reactant, reagent, and products. Indicate sterochemistry if necessary. assume reagents are in excessE. 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?
- Box 31-33 .Unless otherwise directed, show only the major product. For reagent or reactant questions, fill in the missing information.Answer this connected questions. Upvote guaranteed. Don't forget to put iupac name on products.Starting from a terminal alkene R-CH=CH2, is there any advantage in using the two-step protocol (halohydrin formation + intramolecular williamson) over the direct epoxidation procedure? HINT: check for other reactions of MCPBA. Is this also an oxidant for other funcional groups? WHich ones? would a chemoselectivity problem be expected if those functional groups were also present during the epoxidation reaction?