Open with Google Docs (1) II Br2 CCI, КMnO,, ОНн, Н,0 (2) Cold, dilute (3) HBr Но НCL Page ŽnCl, (4)

Q: determine the R/S stereochemical assignment ôi

A: Since you have posted a  question with sub-parts , we are entitled to answer the first three…

Q: A reaction proceeds with a 13:3 ratio of enantiomers. Convert this ratio to the percent enantiomeric…

A: % enantiomeric excess is given by the difference of percent major enantiomer and percent minor…

Q: Racemic ketamine is used clinically to initiate and maintain anesthesia. For the enantiomer drawn…

A: Option A is correct answer R.

Q: QII: Give the stereochemical outcome for each of the following reactions and assign the…

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Q: Hi Can you help me with this question?

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Which is the appropriate condition and stereochemistry of the product in the reaction given below:…

A: Note: observe the double bond location in product and reactant. you will observe both are at…

Q: is the standard free energy change for the ionization of ethanolamine, if its kb is

A: Given,  Kb = 3.20 ×10-5 Relationship between Kb and □G° □G° = - RT × ln(Kb)

Q: H CI CI H H CI H CI A В (A) A and B are enantiomers. (B) A and B are diastereomers. (C) A and B are…

A: We are given two molecules, both have two chiral centers.

Q: (R)-linalool (i) Compound A is chiral but not resolvable where as B is chiral and resolvable.…

A: As per our company guidelines we are supposed to answer only one question. kindly repost other…

Q: 6) Rationalize the divergent stereochemical outcome for the following two hydroborations. OMe Me.,…

A: Hydroboration-Oxidation: The reaction takes place between alkene and boranes to reduce alkene into…

Q: H- O-N NO: H. H, He 100 MH2 COSY 1,3-dinitsobenzene. At the left. hand edge aud at the top is the ID…

A: The structure of the unknown molecule can be readily obtained by using spectroscopy-based methods.…

Q: Locate all the tetrahedral stereogenic centers in discodermolide, atumor inhibitor isolated from the…

A: Tetrahedral-stereogenic center :  A an tetrahedral carbon atom has four hands , if all the four…

Q: whether the more stable conformer (conformer B) of trans-1 can undergo E2 elimination. Thank you :)

A: Condition for E2-elimination -->stereochemical equipment is that ie the H which is abstracted by…

Q: Br CH3 HO' CH3 Br OH C2H5 a) and C2H5 OH Br b) and Br SCH3 ȘCH3 c) and Br Br d) and

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Q: Which is/are optically inactive? CH,CH, -OH H CH3 H OH H- H. CH3 OH, OH H- HO CH3 CH3 CH3 I II III I…

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Q: но, он D E a) Assign absolute stereochemistries (Rand S labels) to molecules D-F, redrawing the…

A: Rule for assign. R or S  configuration at chiral centre are :    Prioritize the four groups around…

Q: In the circles please assign (E) or (Z) configuration to the double bonds indicated with an arrow.…

A: 1. Give the priority according to atomoic number. First priority groups are opposite site. Therefore…

Q: d) What is the IHD (index of hydrogen deficiency) of the following compound? (don't calculate the…

A: d)  The hydrogen deficiency index can be calculated by the number of the double bonds (pi-bonds) and…

Q: In some nucleophilic substitutions under SN1 conditions, completeracemization does not occur and a…

A: (a)

Q: Identify all the acidic hydrogens (pKg less than 25) in the following substances. List the acidic…

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Q: then HO LN NON Which one of the following reactions is stereospecific?

A: Stereospecific reaction is that in which, from a perticular reactant having specified…

Q: 1. BH3 -> d) 2. H, Oz C

A: In a given question, we have to find out products of a given reaction . In a first reaction BH3 in…

Q: chiral

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Q: Draw the products for this Diels-Alder reaction with the correct relative configuration of all…

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Q: Which of the following has a index of hydrogen deficiency (= also called degree of unsaturation) of…

A: Index of hydrogen deficiency or degree of unsaturation determines the number of hydrogen pairs…

Q: The following nucleophilic substitution occurs with rearrangement. Suggest a mecha- nism for…

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Q: HO HOʻ OH OH ОН

A: E/Z conformation is nothing but some extension of cis and trans isomers which tells about…

Q: dral representa R enantiomer o o form of 3,5-he

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Q: Choose the best description for the selectivity/specificity of the transformation shown below: HO,…

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Q: When 1,2-dimethylcyclopentene undergoes hydroboration–oxidation, one diastereomerof the product…

A: A two step reaction that changes conversion of alkene into alcohol. Anti-markovinokov's rule is…

Q: What is the percentage of each of the two enantiomers present in a mixture having a 40% enantiomeric…

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Q: Ts ČOOET

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Q: Please solve problems 4& 5

A: The mixture of HCl and ZnCl2 is Lucas reagent. In presence of Lucas reagent, secondary and tertiary…

Q: 1. Provide the products for the given reaction. Give the stereochemistry (cis/trans) of the product…

A: Answer  Provide the product for the given reaction with…

Q: To the right are two enantiomeric natural products with vastly different olfactory properties. I…

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Q: Br, Hz0 1. OsOy 2. Hz 82

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Q: Draw all the resonance forms for the sigma complexes corresponding to bromination ofaniline at the…

A: Concept introduction: Nitrogen atom of -NH2 group in aniline contains a nonbonding pair of…

Q: * Reaction-2: Syn-dihychoaylation: meo ) OsOu meO. Eto Et o. Nause,, H0 OH

A: As I have shown in the image1 four asterisc centre and numering is done for simplicity, are all…

Q: In the circles please assign (E) or (Z) configuration to the double bonds indicated with an arrow.…

A: The configuration of alkene can be assign on the basis of priority of the vinylic substituents of…

Q: The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bönds plus Specify…

A: Degree of unsaturation = 2C + 2 + N -X - H2   Where C is carbon N is nitrogen, X is halogen, H is…

Q: Why does the melting point (70-71) above match neither the enantiomers’ nor the racemate’s? Does it…

A: To determine the purity of ibuprofen using melting point.

Q: In some nucleophilic substitutions under SN1 conditions, complete racemization does not occur and a…

A: (a)

Q: 1. Which EARS reaction is shown above? 2. What is absolute configuration about the chirality carbon?…

A: Dihydroxyacetone phosphate to glyceraldehyde 3-phosphate is a reversible reaction.

Q: p) Which of the isomers are chiral? =) If a mixture consisting of 1 mol of each of the…

A: There are four isomers of dimethyl cyclopropane.  They are mentioned below:

Q: 6. Considering following reactions concerted, predict the stereochemical modes involved and classify…

A: Cycloaddition reaction is a type of pericyclic reaction in which two diene or a diene and a…

Q: For 1-ethyl-2-methylcyclopentane: draw all stereoisomers, and identify their stereochemical…

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Q: Name the type of reaction and provide a possible reagent  assign all the stereocentres found in the…

A: Compound C contains two functional groups ; Carbonyl /ketone and ether. Compounds D, E, F and G…