help me explain and draw the Synthesis: A Limonene Isomerpropenoic acid + methanol + acid catalysis = limonene isomer intermediate #1limonene isomer#1 + 2-methylbuta-1,3-diene + pressure = limonene isomer intermediate #2limonene isomer intermediate #2 + excess methyl magnesium chloride + mild hydronium workup = limonene isomer intermediate #3limonene isomer intermediate #3 + acid catalysis + heat= a limonene isomer
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propenoic acid + methanol + acid catalysis = limonene isomer intermediate #1
limonene isomer#1 + 2-methylbuta-1,3-diene + pressure = limonene isomer intermediate #2
limonene isomer intermediate #2 + excess methyl magnesium chloride + mild hydronium workup = limonene isomer intermediate #3
limonene isomer intermediate #3 + acid catalysis + heat= a limonene isomer
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- Acyl transfer (nucleophilic substitution at carbonyl) reactions proceed in two stages via a "tetrahedral intermediate." Draw the tetrahedral intermediate as it is first formed in the following reaction. CI H₂N OH • You do not have to consider stereochemistry. • Include all valence lone pairs in your answer. • Do not include counter-ions, e.g., Na+, I, in your answer. • In cases where there is more than one answer, just draw one. Sn [FFill in thhe blanks with the appropriate chemical compound for the following reactions: 1-methylcyclohexanol + phosphoric acid catalyst + heat --> + 2-methylcyclohexanol + phosphoric acid catalyst + heat --> 3-methylcyclohexane 3-methylcyclohexene methylenecyclohexane| 2-methylcyclohexene 1-methylcyclohexene 1-methylcyclohexane Next pag ge MacBook AirWhat reaction converts benzoic acid to m-bromobenzoic acid? Alkylation Acylation Halogenation Hydrohalogenation Hydration Reduction Oxidation Nitration Sulfonation
- Acyl transfer (nucleophilic substitution at carbonyl) reactions proceed in two stages via a "tetrahedral intermediate." Draw the tetrahedral intermediate as it is first formed in the following reaction. 0 OH CI + H₂N • You do not have to consider stereochemistry. • Include all valence lone pairs in your answer. • Do not include counter-ions, e.g., Na+, I, in your answer. In cases where there is more than one answer, just draw one. A ChemDoodle Activate Windows[Review Topics] [References] HO pyridine 1. SOCIl, + sO2 + H. Aqueous acetone H3C H20 H3C HBr 2. Br H OH optically active racemic f = SN1 Nucleophilic substitution g = SN2 Nucleophilic substitution a = Proton transfer d = E1 Elimination b = Lewis acid/base e = E2 Elimination c = Electrophilic addition The rections above involve synthesis or reactions of alcohols and ethers. Identify the mechanism by which they proceed from among the mechanisms listed. Use the letters a - g for your answers. 1. 2.[Review Topics] [References] Br H3C CH3 H3C H3C 1. Aqueous ethanol + HO +] H. CH3 H. CH3 BH3 O-BH3 f=Sn1 Nucleophilic substitution g = Sn2 Nucleophilic substitution a = Proton transfer d = El Elimination b Lewis acid/base e = E2 Elimination c = Electrophilic addition The rections above involve synthesis or reactions of alcohols and ethers. Identify the mechanism by which they proceed from among the mechanisms listed. Use the letters a - gf answers. 2.
- The following series of reactions will yield 2) CI-CH2-CH2-C6H5 1) CH3CH2SH + N2OH O 2-chloro-4-ethyl-benzenesulfonic acid O CH;CH2-S-CH2CH2C6H5 O ortho-chloro-ethyl-benzene O 1-phenyl-3-chloro-propane O CH3CH2-O-CH2CH2C6H5Which one below better describes the synthesis of steroids? Steroids synthesis depends on a cascade of carbocations and hydride and methyl shifts on a diterpene Steroids synthesis depends on the reaction of terpenes making cyclohexanes Steroids synthesis depends on epoxidation of C-2 of a triterpene that triggers carbocation rearrangements and elimination Steroids synthesis depends on conversion of a triterpene -squalene into 4 cyclohexanes fused ringsAside from the specified main starting material, only the following compounds can be used as sources of the carbon backbone for the target compound: acetaldehyde ethanol propanoic acid acetic acid ethyl bromoacetate propan-1-ol benzene (2E,4E)-hexa-2,4-diene propan-2-ol buta-1,3-diene methanol propan-2-one (acetone) (chloromethyl)benzene (benzyl chloride) 5-methyloxolan-2-one sodium cyanide 1-(chloromethyl)-4-methylbenzene phenylacetaldehyde sodium methoxide diethyl propanedioate (diethyl malonate) piperidine sodium ethoxide There are no restrictions with regards to the use of other reagents such as catalysts, solvents, redox agents, protection/deprotection agents, etc. as long as they will not be used as sources of carbon for the skeleton of the target compound. Design a retrosynthetic map and from it, propose a multi-step synthetic approach for the preparation of the target compound from the specified starting material. USE…
- Aside from the specified main starting material, only the following compounds can be used as sources of the carbon backbone for the target compound: acetaldehyde ethanol propanoic acid acetic acid ethyl bromoacetate propan-1-ol benzene (2E,4E)-hexa-2,4-diene propan-2-ol buta-1,3-diene methanol propan-2-one (acetone) (chloromethyl)benzene (benzyl chloride) 5-methyloxolan-2-one sodium cyanide 1-(chloromethyl)-4-methylbenzene phenylacetaldehyde sodium methoxide diethyl propanedioate (diethyl malonate) piperidine sodium ethoxide - There are no restrictions with regards to the use of other reagents such as catalysts, solvents, redox agents, protection/deprotection agents, etc. as long as they will not be used as sources of carbon for the skeleton of the target compound. 1. Design a retrosynthetic map and from it, propose a multi-step synthetic approach for the preparation of the target compound from the specified starting material.…Aside from the specified main starting material, only the following compounds can be used as sources of the carbon backbone for the target compound: acetaldehyde ethanol propanoic acid acetic acid ethyl bromoacetate propan-1-ol benzene (2E,4E)-hexa-2,4-diene propan-2-ol buta-1,3-diene methanol propan-2-one (acetone) (chloromethyl)benzene (benzyl chloride) 5-methyloxolan-2-one sodium cyanide 1-(chloromethyl)-4-methylbenzene phenylacetaldehyde sodium methoxide diethyl propanedioate (diethyl malonate) piperidine sodium ethoxide There are no restrictions with regards to the use of other reagents such as catalysts, solvents, redox agents, protection/deprotection agents, etc. as long as they will not be used as sources of carbon for the skeleton of the target compound. Design a retrosynthetic map and from it, propose a multi-step synthetic approach for the preparation of the target compound from the specified starting material.…What reaction converts 1-bromo-3-nitrobenzene to 3-bromoaniline Alkylation Acylation Halogenation Hydrohalogenation Hydration Reduction Oxidation Nitration Sulfonation