10. Which one of the following structures is the chair representation of the compound shown in the box? CH3 CH3 B) Br A) Br- Br ▪CH3 D) C) `CH3 Br- Br CH3
Q: 1. For each structure shown below, first draw it in the same orientation as structure 1, meaning…
A: The compounds that are “non-superimposable mirror images of each other are called enantiomers”. The…
Q: Directions: Name the following hydrocarbo 1. CH3 CH3 H3C-CH-CH-CH2-CH3 CH3 CH3 2. CHз — с- CH2 CH…
A: Rules for IUPAC naming :- Select the longest chain which contains carbon-carbon single bonds.…
Q: For the following molecule, determine the R/S configuration of each stereogenic carbon atom then…
A: To determine R/S configuration we would use the Cahn-Inglod-Prelog ( CIP ) rules. In this we assign…
Q: Calculate the number of degrees of unsaturation for each molecular formula:(a) C5H8O; (b) C6H11Cl;…
A: The degree of unsaturation can be determined by using the following formula:
Q: Add wedge-and-dash bonds to indicate stereochemistry. H CH3 H,C + Br -Br CH, H3C H Br Br
A: When trans alkene react with Br2 gives which gives anti addition formed meso product Complete…
Q: 9. Which of the following structures are incorrect? Describe the problem that is incorrect а. b. CH3…
A: Given, 9) The incorrect structure from the following structures are: 10) The constitutional and…
Q: Identify A through H.
A: Gilman reagent: Gilman reagent is R2CuLi where R=Alkyl group. This is useful reagent in replacing…
Q: 4. Assign Cahn–Ingold–Prelog rankings to the following sets of substituents: (a) –CH=CH2, –CH(CH3)2,…
A: The sequence of rules for specifying structures as having either R or S configurations are as…
Q: C5H8 isomer(s) having only secondary and quaternary carbons
A: Since the isomers of C5H8 have primary, secondary, tertiary, quaternary carbons, hence the given…
Q: 5. The following are the structures of fouf a-0-CH,CH-NCHb -o-CH,CH-CHy CH CH2 HC CH- -CH2 HC C-0 CH…
A: (a) The given structure A contains a phosphate group that has a polar end and hydrophilic in nature,…
Q: Draw the three constitutional isomers having molecular formula C7H14 that contain a ve-membered ring…
A: Constitutional isomers can be defined as the molecules which have the same molecular formula and…
Q: CH3 „CH2 CH2 „CH2 CH3 CH2 „CH3 „CH2 „CH2 CH2 CH2 *CH2 CH CH3 CH2 CH3 CH, CH2 CH2 H2C-CH2…
A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…
Q: Convert each compound to 1-hexyne, HC= CCH;CHCH,CH3. a. Br,CH(CH,),CH3 b. CH2= CCI(CH2)sCH3 c. CH2=…
A: Convert each compound to 1-hexyne, HC≡CCH2CH2CH2CH3, (a) Br2CH(CH2)4CH3 (b) CH2=CCl(CH2)3CH3 (c)…
Q: ÇH3 a. CH3 CH3 ČH3 CH3 Ob. C. CH3 d. none of the above
A: In trans isomer the two groups should be in opposite directions on two non-geminal carbons.
Q: Classify the following compounds as E/Z- structures CH3 HO-CH2-CH2 CH2CHCH2OH H2N CH2-CH3 H2N CH=CH2…
A: For abC=Ca'b' system E/Z nomenclature occurs and E/Z nomenclature is based on CIP rule which states…
Q: What reagents should be used to carry out the following syntheses?
A:
Q: Which of the following compounds has/have substituents cis to each other? CH3 CH3 Br Br CH3 CI 11 II…
A: At 1,2 position of cyclohexane If substituent is at ( axial - axial ) or ( eq - eq) then that…
Q: 5.47 Show how to convert methylenecyclohexane into each of these compounds. CH2OH (a) OH (b) =CH2…
A: a) The addition of water to an alkene in the presence of a catalytic amount of strong acid leads to…
Q: The following structures represent all stereoisomers for the: * CH3 CH3 CH3 Br Br Br - Br Br Br H-…
A: We are to check that for which acompound the given structures are stereoisomers, i.e. we are to givw…
Q: 2 d Identify the the following molecules a) CH3 OCCH₂CH3 b) CH3CH2NHCH3 c) HOCCH ₂ CH ₂ CH 3…
A:
Q: 2. Assign E or Z configuration to each of the following alkenes: la) HOCH, CH3 (b) HO2C OCH le NC…
A: Alkenes can be defined as the organic compounds that contain carbon carbon double bonds.
Q: Which structure is different from the following? a. b. C. d. CH3 н Н CH3 H CH3 CH3 H3C- н CH3 CH3 н…
A:
Q: For the Newman projection shown below, the back carbon is being rotated clockwise as illustrated…
A: Conformers:- If the groups are large enough to have a significant effect on the energy of rotation…
Q: OH OCH3 NH2 CH3 Br Br- H,CH2C ČH3 ČH3
A:
Q: 5. Label each asymmetric carbon in the compound below as R or S OH H CH, CH Br Br
A: Concept : The R& S configuration of the charal centre can be determined based on the CIP rule.…
Q: Compound B has a molecular formula of C,H0. What is the Unsaturation Number (UN) or Double-Bond…
A:
Q: 7. Complete these reactions. CH, CH CCH-CH2 + Br2 CH,CI, CH2 + Cl CH C CH3 b. a.
A: a. In the following reaction, there occurs the addition of Br-Br(Br2) molecule to the alkene (the…
Q: ng structures b. CH,CH3 C. CH3 CH3 CH3 CH,CH3 CH3CH,
A:
Q: Which of the following represents isobutyl group? CH,CHCH;CH3 (CH3)2CHCH,- (CH3)3C- CH3(CH2)2CH2-…
A: in the isobutyl group, we have two methyl groups.
Q: Which of the following structure is different? CHg Br Br umCHs CHg H. H CH,CH3 CH,CH CH,CH CH;CH 2 3
A: R/S configuration or absolute configuration uses a set of rules to describe relative positions of…
Q: How many rings and π bonds does a compound with molecular formula C10H14 possess? List all…
A: Hydrogen deficiency index(HDI) refers to the degrees of unsaturation in a compound. HDI can be…
Q: CH3 CH3 CH3CHOCHCH, (a) (b) -OCH2CH,CH3 (c) OCH3 (d) CH3CHCH,OCH2CH3 Br
A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…
Q: Answer the following questions about compound A, which contains a CH3 group and OH group bonded to…
A: A part A trans isomer has one group on one side of the ring and one group on the other side.The…
Q: Compound B has a molecular formula of C,H0. What is the Unsaturation Number (UN) or Double-Bond…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…
Q: (remember that rings CANNOT be condensed fully!) then (ii) provide the molecular formula for each on…
A: a. Condensed structure of the following compounds is given as Molecular Formula of this compound is…
Q: 6. Indicate whether the circled carbon in each of these is chiral a. CH3-CH-CH2-CH3 b. CH3-CH2-C-CH3…
A: The decision of symmetry can be made through symmetry elements which are as follows: Plane of…
Q: Q2 Give the stereochemical relationships between each pair of structures. Examples are same…
A: Stereoisomers can be defined as the isomers having same molecular formula but differ in spatial…
Q: Which of the following molecule(s) is(are) achiral? www CH3 CH3 -CH3 CH3
A: To determine the molecule as chiral, the following factors have to be considered. 1. No presence of…
Q: 3. Draw the most and least stable conformations for the following molecules, as seen looking down…
A:
Q: Нас 2) Give the structures of A through D: н-c=c н 1) NaNH2 2) CH₂CH3 Br Lindlar's A с 1) NaNH2 2)…
A: The resonating structure tells us the delocalisation of electrons in a molecule, in which molecules…
Q: Which one of the following structures represents a different compound from the other three? ఎ. CH3…
A: Cyclohexane exist in two different conformations that are chair and boat. Here we have given…
Q: Propose a mechanism for the following reaction:
A: Solution : Given reaction involves the formation of an enolate ion.
Q: 6. Name each of the following: a) -NH2 NH2 b) Br Br c) CH;(CH2)s-NH-CH,CH3 d) ~
A:
Q: Draw (1R,2S,3R)-1bromo-3-fluoro-2-propyl cyclohexane in 2D form
A: The compound given is (1R,2S,3R)-1bromo-3-fluoro-2-propyl cyclohexane.
Q: What are the locants (i.e. C atom number) for the substituents of the following compound? а. 2, 5, 7…
A: Parent chain :- The longest possible continuous carbon chain with maximum number of carbon atoms is…
Q: Br A. A B. B Select the most stable conformation of 3-bromo-2-methylpentane, viewed through the…
A: ->the conformer in which bulkier group are opposite to each other are most stable.
Q: Which of the following carbocations would you expect to rearrange?
A: A chemical reaction mechanism represents the way to form and break the chemical bonds between…
Q: Indicate whether the structures shown are R or S in the absolute system.
A: Solution;- structures of shown R or S nomenclature given below; (a)'; Compound a is shown R…
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- istry Classify the following compounds as chiral, achiral (but not meso), or meso. CH3 1st structure: OH он Он 2nd structure: HO2C CO2H 3rd structure:1) For each pair of structures, determine if they are identical (I), resonance forms (RF), structural isomers (S), conformers (C), enantiomers (E), diastereomers (D), or None (N). b) F H OCH 3 H3CO H F Om Ω d) f) CI CI LL www LL CH3 H CI CH H H H H3C CI CH31. How are each of the structures A-F related to structure X? They could be E (enantiomers), D C (conformers), or I (identical). (diastereomers), CH3 CI -Br HOH₂C- -OH CI X НО, H3C H₂C D CI Br CH₂OH CI HO STEREOISOMERS Br A CH2OH CI Br CI HOH₂COH CI CI Cl CH3 OH E -CH3 -CH₂OH B Br Br НО. Br CH3 HOH₂C CI C CI CH3 HO CH₂OH F
- Department Final EXd Q1: Coibacin B is a natural product that exhibits potent anti-inflammatory activity and potential activity in the treatment of leishmaniasis, a disease caused by certain parasites. HAH H (a) Assign the configuration (R or S) of each chiral center in coibacin B. (b) Identify the number of possible stereoisomers for this compound, assuming that the geometry of the alkenes is fixed.1) For each pair of structures, determine if they are identical (I), resonance forms (RF), structural isomers (S), conformers (C), enantiomers (E), diastereomers (D), or None (N). Om d) P f) CI CI CH3 H CI CH H H H H3C CI CH32 Draw all stereoisomers for the following molecules; indicate the stereochemica interrelationships (enantiomer, diastereomer, or meso) for all its possible pairs. 4) H;C CH3 Но CH3 OH CI CI Но OH
- 6. For each pair of compounds below determine whether they represent the same molecule, enantiomers, or diastereomers. CH H₂N H CH J OllinO 2||2 COOH C OH CH₂ OH NH₂ CH, COOH CH3 HO H₂N CH₂4 CH CCC COOH OH NH₂ NIIIIIC CH₂ H CH3 CH3 H₂N HO H₂N COOH CH OH 5- O J CH3 COOH O H CH₂ H COOH HO CH CH₂4 HOOC COOH ........ OH JCC H NH₂ NH₂ CH₂Which is the most stable chair conformer of the following compound? E 1 -NH Y = || IZ -NH E ||| -NH IV NH(b) For each of the following pairs of structural formulas, indicate whether the two represent identical molecular species, constitutional isomers, enantiomers, or diastereomers. HOW HO HOlim Br Br H Br CH3 H Cl- H Br H. Cl CH3 CI H Cl H, H Cl OH Br Br
- 1. Which of the following is a chiral molecule? Encircle the substituents that make it chiral. H c=c=CCH3 'CO2OH (A) CH2OH CO2H H (B) (C) CH3 CH3 (D) poddns5) Which of the choices is an enantiomer of the compound shown? b ה Twolse A) I B) II С) Ш D) IV H || ။ H ။ nos sri ni (as laid 2018 d 2 Hon IVd Copy the following structures into your notebook and determine the absolute configuration of each chiral center: H3CH₂C F Cl H H MIC1 CH3 ||| BI H₂CH₂C H H I ||||| CH₂CH₂CH3 "III COOH H OH OH