3. Provide concise syntheses for the transformations below. Be sure to show all intermediate products. Do NOT show any mechanisms in this section. Jal EtO Eto OEt OEt multiple steps GAR CHA multiple steps H3C- OH

Q: Predict the product(s) and label the major product. Show the complete mechanism and name it if…

A: In the given question two reactions are given. In the first reaction, the ester reacts with alcohol…

Q: с o Br Br Br Br o o Br

A: As per Bartley guidelines, and expert is allowed to answer first three subparts of a question.…

Q: Ph Ph-P: Ph Ph XL ? H H Modify the given copy of the starting aldehyde to draw the major product. Be…

A: This reaction is wittig reaction because ylide compound react with carbonyl compound to form an…

Q: Tetrahydrofuran (THF) can be formed by treating 1,4-butanediol with sulfuric acid. Propose a…

A:

Q: Optically pure R 2-bromopentane reacted with Nal in acetone to give optically pure S-2-lodopentane.…

A:

Q: En t En t 6. Using arrows to show the flow of electrons, give a stepwise mechanism for the reaction…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: 7. Give a complete mechanism for the reactions below. =0 HCI Intermediate product 1. Mel 2. NaOH…

A: Enamines are formed by the condensation between carbonyl compounds and amines. The word enamine is…

Q: 3. Why do the following two reactions not proceed under basic conditions? Draw the mechanism of each…

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: H3C CH3 H3C H3C. c=0 :CI :CI: :CI:

A: The given reaction is an example of Friedel Crafts acylation.

Q: Name ii) The following alcohol can produce 3 different alkenes through an E1 dehydration (loss of…

A: Answer: 1) 3 products 2) According to Saytzeff rule highly substituted alkenes are more stable

Q: Using only concentrated HCI, show the mechanism for the reaction shown below. OH HCI CI

A:

Q: Draw the mechanism of A and B reactions below using appropriate reagents.

A: We have given the two reaction of same reactant via two mechanism name as A and B.  We have to find…

Q: Step 4 C OH ОН

A: Product of following reaction can be made by applying appropriate reaction mechanism.

Q: 2. Propose a mechanism for this reaction: What happens first? What happens next? OH H₂SO₂, heat B

A:

Q: Please show a drawn mechanism (including intermediates) for the reaction shown below.

A: Step 1: Diels-Alder reactionGiven reaction is a Diels-Alder reaction where a compound containing…

Q: 4. The following series of reactions has two intermediates (A & B) and a final product (C). Draw the…

A: NaNH2 is a strong base that converts dibromide to alkyne by abstraction of proton

Q: 5) Fill in the missing reagents for the total synthesis below. For the final step, propose a…

A: Step  1: Methanolysis of the ester to give the methyl ester. Step 2: Reaction of the methyl ester…

Q: 2. Predict either the reagents, products, or starting materials for each reaction. Some of these may…

A:

Q: Draw a plausible mechanism for the reaction shown below. Determine the major product and provide…

A: In this question, we will determine the major product with explanation for each steps and showing…

Q: Show the major organic product and mechanism for the transformations below.

A:

Q: Draw a plausible mechanism for the reaction shown below. Determine the major product and provide…

A:

Q: CI HN3 `NH > K L HCI t-BUOH M heat MeO2S N'

A: L) We need a cyclic carbonyl compound as our starting material. The hydrochloric acid will…

Q: PCI3 1. NaH 2. Ог.. 3. H30* OH Br.

A:

Q: 3. Give the mechanism(s) and product(s) for the reaction below. Show stereochemistry. HI, H₂O₂ hv

A:

Q: 5. Propose a mechanism for the following reactions. NOTE: this is not a synthesis question! DO NOT…

A: Ether reaction with HBr produced alkyl haalide and alcohol. In this reaction excess HBr is used and…

Q: 10. Draw a mechanism to account for the formation of the products for the reactions below. Draw…

A: The products can be form by either substitution,elimination, addition or rearrangement reaction…

Q: 7. Give the mechanism and products for the multi-step reaction below. Clearly show stereochemistry…

A: EtONa: Good nucleophile, Favours SN2 attack Tosyl chloride: Makes OH a better leaving group NaCN:…

Q: Complete all the elimination reactions/show the products, and for each reaction clearly and…

A:

Q: MsO DBU CH₂Cl2

A: -> DBU acts as a base to abstract a proton from a beta carbon adjacent to a leaving group in a…

Q: Br Br

A: Here in both the cases nucleophilic attack of Grignard Reagent and Nucleophilic attack of the…

Q: Propose a sequence of reactions that efficiently converts the given starting material to the target…

A: Given are organic synthesis reactions. Reaction a involves conversion of carboxylic acid to…

Q: 4- 1. CH3CH₂MgBr 2. H₂O

A: Grignard reagent (RMgX) react with ketone to give tertiary alcohol.  The alkyl group do the…

Q: Draw the simplest mechanism possible for the reaction below. You may need to re-draw structures to…

A: Organic compounds can be defined as compounds that contain carbon and hydrogen atoms. We have been…

Q: 5. The E1 and E2 elimination reactions of this substrate lead to two different alkene isomer…

A: E1: Occurs via carbocation intermediate E2: For the E2 reaction to occur, leaving group and H should…

Q: NH2 Но CF3 CF3 +

A: Here we have to determine the correct starting material that can reacts to produce an amide. Here…

Q: i) H3C H3C H3C H3C CH3 CH 3 CH3 CH3 OH Д NH H2C, H₂O+

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Q: a. CI Br NH₂ DMSO CH3 CH3CN

A: The question is based on organic reactions.     we need to identify the product formed and explain…

Q: Write complete mechanisms for the reactions below. Indicate the major product for each. HBr, 1 eg 1…

A: The objective of the question is to write the major product with mechanisms.

Q: MeO 3. Propose a suitable mechanism for the following reaction HO-N interm H2SO4 CH3CN in CN

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Q: 6. Mechanisms: Propose a mechanism and major product for the following reactions. OH 1. NaNH2 2. OMs…

A: The given reaction involves two steps. In the first step, the reactant is treated with sodium amide…

Q: a. Off. Br LDA CH3 H b. H3C H Br n a CH3 CH3 d. H H₂C KOtBu KOtBu CH3 CH3 CH3 LDA

A:

Q: Br 1- NH2 2- H2O Br There is an excess of NH2 anion. Show the reaction mechanism with using the…

A: The mechanism is given below -

Q: b. H₂C H3C + H CH3 -OCH3 DMSO -OCH3 CH3OH

A:

Q: - Write a mechanism for the reaction shown below. Show all intermediates and use curved arrows to…

A: In the first reaction H2SO4 act as acid and EtOH act as Nucleophile.

Aromatic Compounds

Aromatic organic compound or aromatic system is an important class of hydrocarbons under the branch of organic chemistry. Aromatic compounds are also called arenas. The definition of aromatic organic compounds can be stated as a class of organic compounds with a planar cyclic ring of atoms bonded through alternated single and double bonds. Due to these alternating bonds, a peculiar feature termed as ‘resonance’, that is, delocalization of pi electrons or the electrons is shared within the atoms of the ring which are present in the aromatic compounds. The word ‘aromatic’ includes a Greek word ‘aroma’ which means smell, indicating that they were named as such due to the sweet odor they produce. Many well-known flavors such as vanilla, cinnamon, and few scents from flowers are extracted from aromatic compounds. Benzene with chemical formula C6H6 is a very common aromatic compound that contains six atoms of carbon held in the cyclic ring of alternate double bonds. It is also to be noted that not all aromatic compounds contain benzene ring. This can be explained by Huckel’s rule.