(a)
Interpretation: The structure corresponding to
Concept introduction: The systematic naming of organic compound is given by IUPAC. The naming of organic compound is done such that the structure of organic compound is correctly interpreted from the name.
The prefix
(b)
Interpretation: The enantiomer of
Concept introduction: Stereochemistry is defined as the arrangement of molecule in three dimensional and its impact on
(c)
Interpretation: The two possible diasteromers of given compound is to be drawn.
Concept introduction: Stereochemistry is defined as the arrangement of molecule in three dimensional and its impact on chemical reactions. A pair of diastereomers exists when two substituents attached to each of the double bonded carbon atoms are different.
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PKG ORGANIC CHEMISTRY
- (a)(2R,3S)-2,3-dibromohexane, label each structure you have drawn as chiral or achiral.arrow_forwardFour stereoisomers exist for 3-penten-2-ol. (a) Explain how these four stereoisomers arise. (b) Draw the stereoisomer having the E configuration about the carbon-carbon double bond and the R configuration at the chiral center.arrow_forwardDraw a three-dimensional structure for each compound, and star all asymmetric carbon atoms. Draw the mirror image for each structure, and state whether you have drawn a pair of enantiomers or just the same molecule twice. Build molecular models of any of these examples that seem difficult to you. (a) ОН (b) (c) NH, ОН СH—CH—СООН | pentan-2-ol pentan-3-ol alanine (d) 1-bromo-2-methylbutane (e) chlorocyclohexane (f) cis-1,2-dichlorocyclobutane (h) (i) H CH; "H H. H CH, Harrow_forward
- (A)Menthol, used to flavor various foods and tobacco, is the most stable stereoisomer of 2-isopropyl-5-methylcyclohexanol. Draw its most stable conformation. Is the hydroxyl group cis or trans to the isopropyl group? To the methyl group? (b) Neomenthol is a stereoisomer of menthol. That is, it has the same constitution but differs in the arrangement of its atoms in space. Neomenthol is the second most stable stereoisomer of 2-isopropyl-5methylcyclohexanol; it is less stable than menthol but more stable than any other stereoisomer. Write the structure of neomenthol in its most stable conformation.arrow_forwardDraw the lowest molecular weight chiral compound that contains only C, H, and O and fits each description: (a) an acyclic alcohol; (b) a ketone; (c) a cyclic ether.arrow_forwardDraw the structure of an alkyl bromide with molecular formula CgH13Br that fits each description: (a) a 1° alkyl bromide with one stereogenic center; (b) a 2° alkyl bromide with two stereogenic centers; (c) an achiral 3° alkyl bromide.arrow_forward
- Identify the following reactions as either SN1, SN2, E1, or E2: (a) Br CHCH3 CH=CH2 кон (b) Br OCH3 .CHCH3 .CHCH3 CH3OH Heatarrow_forward3. Deduce the relationship between each of the following pairs as enantiomers, cis-trans isomers, constitutional isomers or same molecule. (a) H and Br он но Br (b) OH OH OH H and OHarrow_forwardPGF 2a is a prostaglandin, a group of compounds that are responsible for inflammation (Section 19.6). (a) How many tetrahedral stereogenic centers does PGF 2a contain? (b) How many double bonds can exist as cis and trans isomers? (c) Considering both double bonds and tetrahedral stereogenic centers, what is the maximum number of stereoisomers that can exist for PGF20? OH HO -CH₂CH=CH(CH₂)3COOH CH=CHCH(OH)(CH₂)4CH3 PGF₂αarrow_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_forwardPlease answer barrow_forward(a)(2R,3S)-2,3-dibromohexane, draw any diastereomers.arrow_forward
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