Chapter 2.4: Cycloalkanes
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What is a saturated hydrocarbon that contains carbons joined to form a ring?
cycloalkane
What is the formula for a cycloalkane?
o Cycloalkanes contain two fewer hydrogen atoms than an alkane with the same number of carbon atoms and have the general formula CnH2n
What do you do If there is only one substituent on the cycloalkane ring?
If there is only one substituent on the cycloalkane ring, there is no need to give it a number
What do you do If there are three or more substituents on a cycloalkane ring?
If there are three or more substituents, number the ring and substituents the lowest set of numbers and list them in alphabetical order
How do you name a cycloalkane?
o To name a cycloalkane, prefix the name of the corresponding open-chain alkane with cyclo- and name each substituent on the ring
Define bicycloalkane
an alkane containing two rings that share two carbons
Define cyclalkane
a saturated hydrocarbon that contains carbons joined to form a ring
Describe the carbons in a bicycloalkane
The shared carbon atoms are called bridgehead carbons, and the carbon chain connecting them is called a bridge
What is an alkane containing two rings that share two carbons?
bicycloalkane
What do you do If there are two substituents on a cycloalkane ring?
If there are two substituents, number the ring by beginning with the substituent of lower alphabetical order
What is a cyclic hydrocarbon?
• A hydrocarbon that contains carbon atoms joined to form a ring is called a cyclic hydrocarbon