Draw the structure of 3 7-dimethyl-4-nonyne – Delving into the realm of organic chemistry, we embark on an exploration of 3,7-dimethyl-4-nonyne, a fascinating hydrocarbon with unique properties and diverse applications. This comprehensive guide will delve into the structural intricacies, molecular characteristics, and practical implications of this remarkable compound, providing a thorough understanding for researchers, students, and industry professionals alike.
1. Structural Diagram of 3,7-Dimethyl-4-Nonyne
The structural diagram of 3,7-dimethyl-4-nonyne is as follows:
The two methyl groups are located at the third and seventh carbon atoms, and the triple bond is located between the fourth and fifth carbon atoms.
2. Molecular Formula and Connectivity
The molecular formula of 3,7-dimethyl-4-nonyne is C 11H 20.
The carbon atoms in the molecule are connected in a linear chain, with the methyl groups branching off from the third and seventh carbon atoms.
The IUPAC nomenclature rules used to name the compound are as follows:
- The base name of the compound is “nonane”, which indicates that it is a nine-carbon alkane.
- The prefixes “3,7-dimethyl” indicate that there are two methyl groups attached to the third and seventh carbon atoms.
- The suffix “-yne” indicates that the compound contains a triple bond.
3. Physical and Chemical Properties
3,7-Dimethyl-4-nonyne is a colorless liquid with a boiling point of 177-178 °C and a density of 0.78 g/cm 3.
The compound is insoluble in water but soluble in organic solvents such as diethyl ether and petroleum ether.
3,7-Dimethyl-4-nonyne is a reactive compound that can undergo a variety of reactions, including addition, substitution, and polymerization.
4. Spectroscopic Analysis
The IR spectrum of 3,7-dimethyl-4-nonyne shows a strong absorption band at 2260 cm -1, which is characteristic of the triple bond.
The NMR spectrum of the compound shows a singlet at 1.0 ppm, which corresponds to the methyl groups, and a multiplet at 1.2-1.7 ppm, which corresponds to the methylene groups.
The MS spectrum of the compound shows a molecular ion peak at m/z = 156.
5. Applications and Uses
3,7-Dimethyl-4-nonyne is used as an intermediate in the synthesis of other organic compounds, such as fragrances and flavors.
The compound is also used as a solvent and as a fuel additive.
FAQ Resource: Draw The Structure Of 3 7-dimethyl-4-nonyne
What is the molecular formula of 3,7-dimethyl-4-nonyne?
C11H20
What is the IUPAC name of 3,7-dimethyl-4-nonyne?
3,7-Dimethyl-4-nonyne
What is the boiling point of 3,7-dimethyl-4-nonyne?
184-186 °C
