Interpretation: The validation of the fact that addition of
Concept introduction: Electrophilic addition reaction follows Markovnikov rule. According to Markovnikov’s rule, the positive part of halogen acid attached to that carbon atom in
A compound exhibits stereoisomers when it contains more than one stereogenic centers. The maximum number of stereoisomers a compound with
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- Draw structures of compounds that fit the following descriptions: a) An , unsaturated ketone, C9H8O b) An diketone c) An aromatic ketone, C9H10O d) A diene aldehyde, C7H8Oarrow_forwardDraw a structural formula for the major product of the reaction shown.arrow_forward5B In the following reactions, mixtures of alkenes and ethyl ethers are formed. Draw their structures. Explain which is or are likely to be the main product(s) in each reaction. In case of formation of two isomers of alkenes, explain which is formed in greater proportion CH3 CH3 H3C-C H -Br CH3 EtOHarrow_forward
- Cr(VI) compounds are common reagents for the oxidation of alcohols. Primary alcohols are oxidized to carboxylic acids and secondary alcohols are oxidized to ketones. The mechanism involves a reaction similar to the E2 elimination, whereby a C=O double bond is formed with a reduced Cr(IV) compound as the leaving group.Draw curved arrows to show the movement of electrons in this step of the mechanism.arrow_forwardA hydrocarbon C5H12 gives only one mono-chlorination product. Identify the hydrocarbon.arrow_forwardDraw a structural formula for the substitution product of the reaction shown below. H/ ● (CH3)3C |YY Br ΔΟ H Na • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • If more than one stereoisomer of product is formed, draw both. Separate multiple products using the + sign from the drop-down menu. • Products that are initially formed as ions should be drawn in their neutral forms. SH acetone [Farrow_forward
- Draw a structural formula for the product formed upon hydroboration/oxidation of the alkene below. CH3CH2 C=CH2 CH3CH2 Use wedge and hash bonds ONLY for rings. Do not show stereochemistry in other cases. • If the reaction produces a racemic mixture, just draw one stereoisomer. C P opy aste ○, [片arrow_forward(a) Draw the two isomeric dienes formed when CH2 = CHCH2CH(Cl)CH(CH3)2 is treated with an alkoxide base, (b) Explain why the major product formed in this reaction does not contain the more highly substituted alkene.arrow_forwardHydroxylation of E-2-pentene with osmium tetroxide yields a different product than the same reaction using the Z configuration. Draw the structures of the alkenes and show the stereochemistry for each product. Explain any differences between them.arrow_forward
- CH3 H НС— С—С—С—ОН H NH, Valine is one of the 20 amino acids used to form proteins, it contains both a carboxylic acid group and an amino group. Draw the structure of valine as it would appear at pH 7. • You do not have to consider stereochemistry. P. opy astearrow_forwardH3C CH3 H3C NA C→XT Br Br₂ CH₂Cl₂ H3C Electrophilic addition of bromine, Br₂, to alkenes yields a 1,2-dibromoalkane. The reaction proceeds through a cyclic intermediate known as a bromonium ion. The reaction occurs in an anhydrous solvent such as CH₂Cl₂. CH3 Br In the second step of the reaction, bromide is the nucleophile and attacks at one of the carbons of the bromonium ion to yield the product. Due to steric clashes, the bromide ion always attacks the carbon from the opposite face of the bromonium ion so that a product with anti stereochemistry is formed. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions Br CH3 H3C CH3arrow_forwardTwo substitution products result from the reaction between 3-chloro-3-methyl-1- butene with sodium acetate (CH3COO – Na +) in acetic acid under SN1. Identify the products.arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning