Interpretation:
The stereoisomer required to obtain a
Concept introduction:
Addition Reaction: It is defined as
In addition reaction of
Stereoisomers: Two compounds with same molecular formula but different in their orientation are considered as isomers.
The presence of atom with non-super impossible mirror image is defined as enantiomers which are given
Meso compound: The compound with chiral carbon that also have plane of symmetry which actually makes the compound achiral that does not have an enantiomer (Non-superimposable mirror images).
R and S nomenclature: it is used to assign the molecule using CIP rules.
The CIP rules are as follows:
Select the chiral carbon and assign the numbers according to the decreasing atomic mass of atoms attached to it.
If the numbering follows clockwise direction then the molecule is termed as R and if it follows anti-clockwise direction then molecule is termed as S.
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Organic Chemistry (8th Edition)
- When carbonyl compounds are reduced with a reagent such as LiAlH4 or NaBH4 and a new stereogenic center is formed, what will the composition of the product mixture be? Forms more of one enantiomer than another because of steric reasons around the carbonyl Forms more of one enantiomer than another depending on the temperature of the reaction Forms different products depending on the solvent used Forms a racemic mixture of the two possible enantiomersarrow_forwardHow many stereoisomers are formed from the reaction of cyclohexene with NBS?arrow_forwardDraw the alkene that would react with the reagent given to account for the product formed. CH3 HCI CH3 CHCCH, ? + Či CH3 You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one.arrow_forward
- Take 1-methylcyclohexene as the alkene and treat it with the reagent.arrow_forwardWhat two stereoisomeric alkanes are formed in the catalytic hydrogenation of (Z)-3-methyl-2-hexene? Draw and label the alkanes. In this reaction, what are the relative amounts of each of the two alkanes generated?arrow_forwardFill in the boxes with the correct organic structure. You must show relative stereochemistry where necessary. You only need to draw one enantiomer if the product is a racemic mixture. 1. OsO4 2. NaHSO3 MCPBA HglO6 1. NaOH 2. HCIarrow_forward
- Draw the optically active stereoisomer(s) of 1,3-dimethoxycyclohexane.arrow_forwardDraw the organic product of the following reaction. CH3 m-CICgH,CO;H • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • If the reaction produces a racemic mixture, just draw one stereoisomer. • If more than one product is possible, only draw the major product. opy astearrow_forwardDraw a structural formula for the major product of the reaction shown. -CH₂CH3 Br₂ H₂O • Show product stereochemistry IF the reactant alkene has both carbons of the double bond within a ring. • Do not show stereochemistry in other cases. • If the reaction produces a racemic mixture, just draw one stereoisomer.arrow_forward
- How many different organic products are possible when pentan-2-ol is heated in the presence of acid? Ignore any stereoisomers (cis/trans isomers).arrow_forwardWhat are the reagents used to convert 2-butyne to C4H8? What are the products when that C4H8 is mixed with OsO4, and H2O (the formula will be C4H10O2 racemic)? What is the product when C4H8 is mixed with RCO3H, and H2O (the formula will be C4H10O2 meso)?arrow_forwardWhat is the major stereoisomer formed when attached alkyl halide is treatedwith KOC(CH3)3?arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning