Video Solution: A growth hormone from the cecropia moth has the structure sh...

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A growth hormone from the cecropia moth has the structure shown. Express the stereochemistry of the double bonds according to the EZ system. 

 For each of the following IUPAC names draw the skeletal structure in the space provided below.

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Which of the following alkenes exhibit E-Z isomerism?

A) I and II

B) I and III

C) II and IV

D) I, II, and III

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Which of the following is the correct configurational prefix for the triene below?

List the configurations of the double bonds from left to right.

  1. (E,E,E)
  2. (Z,Z)
  3. (Z,E)
  4. (E,Z)
  5. (E,E)
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Which structure shown below represents (Z)-4-bromo-4-cyclobutylbut-3-en-2-ol?

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Provide a structural formula for the s-cis conformation of (E)-1,3-pentadiene. Note that any correct form of a structural formula is acceptable. Be sure to identify stereoisomers properly.

 

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Please draw or name the corresponding molecular structures. 

(Z)-3-methylhept-3-ene

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Please draw or name the corresponding molecular structures. Indicate stereochemistry (R/S, E/Z) where applicable.

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Assign the Cahn-Ingold-Prelog priorities directly on each structure and determine the configuration of the alkenes below.

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Draw the structure of the following molecule. Make sure your strucuture show s the stereochemistry of the alkene. 

(2Z,4Z,6Z)-2,4-dimethyl-2,4,6-heptatrien-1-ol

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Draw the geometric isomer, if any, of the following compounds.

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Draw the following molecule:

(E)-4,5-dimethyloct-4-ene

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Draw the following molecule:

(Z)-5-methylhex-2-ene

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Which structure shown below represents ( )-3,5-dichloro-3-hexen-1-yne?

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What is the proper IUPAC name for the compound below?

a) (Z)-5-ethyl-4-hexen-2-ol

b) (Z)-3-methyl-3-hepten-6-ol

c) (E)-5-methyl-4-hepten-2-ol

d) (Z)-5-methyl-4-hepten-2-ol

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Which of the following is ( )-3,5-dimethyl-3-nonene?

 

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Which of the following is ( )-1,2-dichloro-2-pentene?

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Provide the IUPAC name for the compound given below. 

a) (E)-3,5-dimethyl-2-hexene

b) (Z)-3,5-dimethyl-2-hexene

c) (Z)-1,2-dimethyl-2-isobutylethylene

d) (E)-3,5,5-trimethyl-2-pentene

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Determine the IUPAC name for the compound given below. 

a) ortho-bromocyclohexanol

b) endo-2-bromocyclohexanol

c) cis-2-bromocyclohexanol

d) trans-2-bromocyclohexanol

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For the following structure, identify each pair of carbons which share a double bond and designate the alkene moiety as E or Z.

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Which of the following are  E alkenes? (maximum of 2)

Give the correct IUPAC name of the alkene D (from the answer options below).

 

 

 

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Draw (E)-5-methyl-5-heptene-1-yne.

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Give the IUPAC name for the following compound

a) trans-3-chlorobut-2-en-1-ol

b) cis-3-chlorobut-2-en-1-ol

c) (E)-3-chlorobut-2-en-1-ol

d) (Z)-3-chlorobut-2-en-1-ol

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Indicate if the following double bonds are  entgegen (E), zusammen (Z), or neither (Ne).

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