Н Н 1. 2. Н Н

Q: 10. Identify the mode of ring closure for the given electrocyclic reaction. Also, identify if the…

A: The rotation of bond during electrocyclic ring opening or ring closing reaction may be two types…

Q: Determine what stereochemistry is present in the rxn indicated. 2. A thermal [4 + 6]cycloaddition A)…

A:

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: What conditions give the transformation shown? H how? (1) Og: (2) ZnHOAC LI/ NH3lia) ob. (1) Brg:…

A: The given reaction is,

Q: The C-C bonds in cyclohexane deshield equatorial H's .  Does the effect make the equatoria H's…

A: yeah, this is correct thet c-c bonds in cyclohexane deshield equitorial H's and no, the effect do…

Q: a. Identify the mode of ring closure for the following electrocyclic reactions.b. Are the indicated…

A: A pericyclic rearrangement that results in the conversion of a pi-bond to a sigma bond or vice-versa…

Q: 5) Find the relationship. Choose from: -Identical/Same -Enantiomer -Meso compounds -Constitutional…

A: a) On assigning R/S configuration according to CIP rule,                       Since the 4th…

Q: ОН OH .CH3 „CH3 85% H3PO4, heat CH3 CH2 CH2 Mechanism? trans-1 cis-1 2 3

A: Given, we have to provide the mechanism for the elimination for the expected product 2,3  or  4…

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

A:

Q: In the following molecule, the directing effects of the two substituents are a. reinforcing b.…

A: -NH2 group is ortho & para directing  and increases the electron density at ortho and para…

Q: over Arrange the given series of carbocation carboanion in the order of decreasing and Stability ai)…

A: This question belong to General organic chemistry from Reactive intermediate. Stability of…

Q: Which reagents would be best for this transformat CH,CH,C=CCH;CH, + Họo H30, CHCH.CH.CH.CH.…

A: 1. In the given chemical reaction, conversion of Hex-3-yne to Hexan-3-one takes place. That is, an…

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

A: a)

Q: 2. Circle the molecule that would undergo the fastest E2 reaction. Provide an explanation, using…

A: For the elimination to occur via E2 the leaving group must be axial.

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

A: a.

Q: Draw a Newman projection for the conformation adopted by 2-bromo-2,4,4-trimethylpentane in a…

A:

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

A: (a)

Q: For the hydroxyl rotation of vinyl alcohol, which conformation (1 or 2) would be more stable and…

A: A question based on atomic structure that is to be accomplished.

Q: a table showing selection rule for m+n cycloaddition and cyclo reversio

A: The organic reaction which has concerted mechanisms and they have a cyclic transition state is…

Q: 1. The reaction below yields the less substituted alkene as the major product. 1.1. Identify the…

A:

Q: As an antioxidant, vitamin C reacts with and resolves radicals by donating a H to terminate the…

A: Vitamin C also known as Ascorbic acid is an important supplement for humans and animals which is…

Q: 1,2-diphenylethylene 1) Determine the number of canonical forms. 2) Indicate the order of…

A: Canonical forms are formed due to resonance.

Q: Circle one or more: E2 SN1 E1 SN2 PHSH, 25°C Mechanism: Circle one or more: SN1 SN2 E1 E2 iPrONa,…

A: There are number of functional group associated with organic compounds which impart specific…

Q: Consider the free energy profile for the transformation A to G: C A What is the slowest step in the…

A: Answer: Whether step is slowest or fastest, that can be determine with the help of activation…

Q: 5. Draw a detailed mechanism and give the products for the following Diels-Alder reaction. Label the…

A:

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

A: The percentage optical purity of R-isomer of 1-phenylpropan-1-ol is calculated as shown below where…

Q: Which of the following reactions is a non-markonikov's? a. CH3CH=CH2 to CH3CH2CH3 b. CH3CH=CH2 to…

A: A. CH3CH=CH2  +H2 ------> CH3CH2CH3 This is  hydrogenation reaction this is non markonikovs…

Q: Please draw all four bonds at chiral centers. Br

A: The product is 2-bromopentane.

Q: PCC -> Predict the Prodyct(s) Of The reacton Include Stereo Chemistry In your answer where relevant

A: PCC is an oxidising agent which oxidise primary alcohol to aldehyde. PCC is pyridinium chloro…

Q: Rank the alkenes in order of increasing Amax for the to n transition in the UV spectrum. (shortest…

A:

Q: Four carbocations are shown, which can possibly rearrange via hydride shift to a more stable…

A: Only those carbocations undergo rearrangement via hydride shift that lead to the formation of more…

Q: Draw the HOMO of the following 5-carbon conjugated pi systems and draw the thermal and photochemical…

A: According to Woodward- Hoffmann rule , the system contains 4n pi electrons, then it undergoes…

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

A:

Q: 2 Conseeutive 3,3- sigmatropic rearrangements 2.

A:

Q: Determine what stereochemistry is present in the rxn indicated. 3. A photochemical [2 +…

A: Migration of a group across the same face of the p system is called a suprafacial rearrangement, and…

Q: Name the following molecules, including stereochemistry where appropriate: F Br

A: 1) Given first compound is, The numbering to the longest carbon chain is as shown below,

Q: Which conditions would achieve the following transformation? OCCH₂ ? --- a) CH,CI/AICI,, then…

A:

Q: a. Identify the mode of ring closure for the following electrocyclic reactions.b. Are the indicated…

A: The given electrolytic reaction is,

Q: Br ОН CH3 doBr ОН a) and C2H5 CH3 C2H5 OH Br b) and „OH Br SCH3 SCH3 and Br Br d) and ()

A:

Q: 23. For the alkenes shown below, consider the symmetry properties of the HOMO and the LUMO and…

A: This reaction is an example of cycloaddition reaction . 2π+2π cycloaddition reaction is…

Q: NO2 NH2 HN03 Hz, P4/C H2SO4

A: In the electrophilic substitution reaction, electrophiles, such as Cl+, is substituted by the help…

Q: Identify the carbocation which can rearrange via a 1,2-methyl shift. CH3 CH3 A В D

A: The stability of a carbocation depends on the number of hyperconjugative H atoms present. The higher…

Q: 6. Draw a detailed arrow pushing mechanism for the following transformations: srl NaOCH3 SN2 Br +…

A: SN2 reaction proceeds with the backside attack of the nucleophile on the alkyl halide which results…

Q: 15. Label the following transition state with the applicable following items (not all labels will…

A: This is an example of basic diels Alder reaction.

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

A: (a)

Q: (c) Make the molecule below using the Sonogashira and Suzuki-Miyaura couplings to make the new…

A: Organic synthesis

Q: metal orbital that interact with Y3 of cyclobutadiene are * O dx2-y2 O dxz O px O dyz

A:

Q: Which molecule is labelled with the correct E and Z descriptors? A O. C D

A: Molecule (C) is labelled with the correct E and Z descriptors.

Q: Which of the following are ways that we can stabilize carbocations? Choose all that apply. a.…

A: The carbocations may be defined as the intermediates in which the positive charge is present on the…