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- Based on your knowledge in biological chemistry reaction in biomolecules, what do you think is the best type and product for the above reaction? a. SN1 b. SN2 c. E1 d. E2 e. None of the aboveDraw the following structures: Show stereochemistry only if given in the name. You do not have to explicitly draw H atoms. (1. Z)-4-methyl-2-pentene. 2. (Z)-4-methyl-2-pentene. 3. 3-chloro-3-methylcyclohexene.Compound X, C7H15Cl, is a chiral product of the radical chlorination of 2-methylhexane.Base-promoted E2 elimination of X gives a single product.What is the structure of X?
- Give the expected major product from the reaction of five alkenes with Br2Br2. The starting materials have been drawn for you. Amend the structures to show the major organic product. Show chirality where indicated and only draw one enantiomer if more than one is possible. Include hydrogen atoms on chirality centers.Drawing on what you know about the stereochemistry of alkene addition reactions, a. write the mechanism for the reaction of 2-butyne with one equivalent of Br2. A. predict the configuration of the product of the reaction.1, part A) We observe 6 carbon stereocenters in the molecule below. Indicate each stereocenter, and give the absolute S or R configuration. 1, part B) Indicate each stereoisomer in this molecule, and give the absolute S or R configuration. Then, indicate E or Z configuration of all alkenes in it (*ignoring aromatic ring*).
- Predict the products of the following reactions.(a) CH3CH2Br + MgetherT(b) isobutyl iodide + 2LihexaneT(c) 1-bromo-4-fluorocyclohexane + MgTHFT(d) CH2“CCl¬CH2CH3 + 2 LietherTBased on the more stable conformation (conformation A), need help providing two mechanisms for the E2 elimination of the protonated version of cis-1 using a general base (B:) to give alkenes 2 and 3. Clearly show which hydrogens meet the stereochemical requirements for E2-elimination Using Zaitsev’s rule, indicate which is favoured. Pictured is also a reaction mechanism to show what the alkenes 2 and 3 are. Thank you :)For the given ee values, calculate the percentage of each enantiomer present. Q: 99% ee
- Describe the E/Z stereochemistry for the molecules shown below: A: Z; B: Z A: Z; B: E A: E; B: E A: E; B: ZArrange the following compounds in the increasing order of reactivity in SN1 CH3CH=CHCl CH2=CH-CH2Cl CH3CH2CH2Cl 2,3,1 1,2,3 1,3,2 2,1,3Rank the following groups in order of decreasing priority. −F, −NH2, −CH3, −OH