Concept explainers
Locate the isoprene units in each compound.
a. c.
b. d.
(a)
Interpretation: The isoprene units in the given compound are to be located.
Concept introduction: An isoprene unit possesses following properties.
➢ It may either consist of
➢ It is always connected by one or more
➢ Each isoprene unit is consist of
➢ While locating an isoprene unit, the presence of heteroatoms is ignored.
Answer to Problem 30.11P
The isoprene units in the given terpene (geraniol) are located as,
Explanation of Solution
Terpenes are composed of repeating five-carbon units. These units are called isoprene units.
Figure 1
An isoprene unit possesses following properties.
➢ It involves one branched carbon and
➢ It may either consist of
➢ It is always connected by one or more
➢ Each isoprene unit is consist of
➢ While locating an isoprene unit, the presence of heteroatoms is ignored.
The isoprene units in the given terpene (geraniol) are located as,
Figure 2
The isoprene units in the given terpene (geraniol) are located in Figure 2.
(b)
Interpretation: The isoprene units in the given compound are to be located.
Concept introduction: An isoprene unit possesses following properties.
➢ It may either consist of
➢ It is always connected by one or more
➢ Each isoprene unit is consist of
➢ While locating an isoprene unit, the presence of heteroatoms is ignored.
Answer to Problem 30.11P
The isoprene units in the given terpene (vitamin A) are located as,
Explanation of Solution
Terpenes are composed of repeating five-carbon units. These units are called isoprene units.
Figure 1
An isoprene unit possesses following properties.
➢ It involves one branched carbon and
➢ It may either consist of
➢ It is always connected by one or more
➢ Each isoprene unit is consist of
➢ While locating an isoprene unit, the presence of heteroatoms is ignored.
The isoprene units in the given terpene (vitamin A) are located as,
Figure 3
The isoprene units in the given terpene (vitamin A) are located in Figure 3.
(c)
Interpretation: The isoprene units in the given compound are to be located.
Concept introduction: An isoprene unit possesses following properties.
➢ It may either consist of
➢ It is always connected by one or more
➢ Each isoprene unit is consist of
➢ While locating an isoprene unit, the presence of heteroatoms is ignored.
Answer to Problem 30.11P
The isoprene units in the given terpene (grandisol) are located as,
Explanation of Solution
Terpenes are composed of repeating five-carbon units. These units are called isoprene units.
Figure 1
An isoprene unit possesses following properties.
➢ It involves one branched carbon and
➢ It may either consist of
➢ It is always connected by one or more
➢ Each isoprene unit is consist of
➢ While locating an isoprene unit, the presence of heteroatoms is ignored.
The isoprene units in the given terpene (grandisol) are located as,
Figure 4
The isoprene units in the given terpene (grandisol) are located in Figure 4.
(d)
Interpretation: The isoprene units in the given compound are to be located.
Concept introduction: An isoprene unit possesses following properties.
➢ It may either consist of
➢ It is always connected by one or more
➢ Each isoprene unit is consist of
➢ While locating an isoprene unit, the presence of heteroatoms is ignored.
Answer to Problem 30.11P
The isoprene units in the given terpene (camphor) are located as,
Explanation of Solution
Terpenes are composed of repeating five-carbon units. These units are called isoprene units.
Figure 1
An isoprene unit possesses following properties.
➢ It involves one branched carbon and
➢ It may either consist of
➢ It is always connected by one or more
➢ Each isoprene unit is consist of
➢ While locating an isoprene unit, the presence of heteroatoms is ignored.
The isoprene units in the given terpene (camphor) are located as,
Figure 5
The isoprene units in the given terpene (camphor) are located in Figure 5.
Want to see more full solutions like this?
Chapter 30 Solutions
Organic Chemistry
- Draw the products formed when each alkene is treated with BH3 followed by H2O2,HO−. Include the stereochemistry at all stereogenic centers.arrow_forwardWhat is the major monobromination product formed by heating each alkane with Br2?arrow_forwardWhat product is formed when each alkene is treated with CH2I2 and Zn(Cu)?arrow_forward
- name the relationship between the following compounds. a) same structure b) enantiomers c) diasteromers d) constutional isomers e) different moleculesarrow_forwardGive the IUPAC name for each compound.arrow_forwardGive the IUPAC name for each compound, including the R, S designation for each stereogenic center. In a. b. C.arrow_forward
- Given that syn addition of H2 occurs from both sides of a trigonal planar double bond, draw all stereoisomers formed when each compound is treated with H2.arrow_forwardWhat acetylide anion and alkyl halide are needed to synthesize each alkyne?arrow_forwardGive the IUPAC name of each compound.arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningChemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage Learning