The bicyclic product shown below is the result of a Robinson annulation. Which set A through D of starting materials 1 and 2 was used to obtain the product? Click on a letter A through D to answer. 1+2 A в 2
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- The following reaction proceeds through an E2 mechanism with two potential isomers as products. Which do you expect to the major product? Explain your answer using Newman projections.Draw the product of an SN2 reaction shown below. Use wedge and dash bonds to indicate stereochemistry where appropriate. Ignore inorganic byproducts. CH3I DMSO Draw SN2 product (+) Li QConsider the following reaction scheme (note that the reagent shown above the arrow is DBN"). Draw in the expected major product AND indicate what mechanism the reaction will follow. Product: Mechanism:
- Determine whether the following reaction is likely to proceed by an E1 or E2 mechanism. CH;CH;OH Br E1 None E2Consider the E1 elimination products. Draw the minor product. Br Ꭰ H₂OThe reaction shown below proceeds by both an SN1 and an SN2 mechanism. Draw the products of each process and use mechanistic arguments to account for any differences in the products formed. Ph 'Br SH Base
- Explain stereoselectivity and/or stereospecificity of E2 reactions. Using Newman projections, show an alkyl halide substrate and a conformation that favors an E2 reaction and the resulting stereochemical outcome. PLEASE USE NEWMAN PROJECTIONS. Im tryna to understand this Br DBN > Ez ReactionClassify the following reaction as an Sn1, Sn2, E1, E1cB, E2 reaction. Can you show me the leaving group and explain how to find a leaving group? And how to identify the other reactions?Draw the major product of the following sequence of reactions. If the reaction is likely to give you a mixture of ortho and para disubstituted compounds you should assume that they can be separated; continue the synthesis with either one. If so, draw the intermediates as well. CH3 K₂Cr₂07 Cl₂, AlCl3 H2SO4
- Draw the product of the reaction shown below. Но PBR3 DMFList all alkene products for each reaction. Write a mechanism for the formation of each product following E1 or E2 mechanisms as appropriate. Be sure to draw arrows for the mechanism.Draw each step of the synthetic scheme showing the intermediate isolable product(s) that then undergo another reaction which eventually leads to product formation. Where stereochemistry is given only the one stereoisomer needs to be formed in your reaction sequence. Each scheme is a multi-step reaction sequence; the scheme can use one starting material or multiple starting compounds. All structures must be redrawn.i) ii) iii) the only product Starting compounds HC- = CH i) Starting compounds Br HC=CH ii) Br S Ć CH3 "OH Br iii) the only product