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Question

Fucoserratene and ectocarpene are sex pheromones produced by marine brown algae. What are their systematic names? (Ectocarpene is a bit difficult; make your best guess, and then check your answer in the Study Guide and Solutions Manual.)

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Answer

The systematic names of fucoserratene and ectocarpene are,

1Systematic names

Systematic names of a molecule can be done systematically and the rules set by IUPAC are based upon it. The common name and the systematic name are different for the same compound.

2The systematic names of Fucoserraten and Ectocarpene

The systematic name of Fucoserraten is (3E,5Z)-1,3,5-Octatriene. The double bond at the 3^rd position is trans and at the 5^th position is cis—the long-chain consists of 8 carbon atoms. So, octa is for eight carbon.

The systematic name of Ectocarpene is 6-[(Z)-1-Butenyl]-1,4-cycloheptadiene. At the 6^th position of the heptadiene ring, (Z)-1-Butenyl group is attached. The double bond in the heptadiene ring is present at 1 and 4 positions.

Systematic names of Fucoserraten and Ectocarpene

Q51

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7-68

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