Getting N-methyl-2-aminobutane from 2-aminobutane

  • Thread starter Ace.
  • Start date
In summary, the structural equation for converting 2-aminobutane to N-methyl-2-aminobutane involves the addition of CH4 and the formation of CH3-NH2 with a trivalent carbon. However, the provided equation contains incorrect formulae and does not balance.
  • #1
Ace.
52
0

Homework Statement


draw structural equation for going from 2-aminobutane to N-methyl-2-aminobutane

Homework Equations


The Attempt at a Solution


Code:
CH3=CH-CH2-CH3   + CH4  ---->   CH3-CH-CH2-CH3
       |                                   |
       NH2                          CH3-NH2
It doesn't really balance so what must I do?
 
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  • #2
It doesn't have to balance - it is a pretty standard procedure to ignore byproducts in such schemes.

But what you draw is not a 2-aminobutane, and your product has a trivalent carbon.
 
  • #3
And methane (CH4) is not capable of this reaction. Also, there are 4 bonds to nitrogen.
 
  • #4
Ace. said:

Homework Statement


draw structural equation for going from 2-aminobutane to N-methyl-2-aminobutane


Homework Equations





The Attempt at a Solution


Code:
CH3=CH-CH2-CH3   + CH4  ---->   CH3-CH-CH2-CH3
       |                                   |
       NH2                          CH3-NH2
It doesn't really balance so what must I do?

Except for CH4 which you seem to have corrected, all your organic formulae are wrong in more than one point.
 
  • #5


In order to balance the equation, you need to add a reagent that will add a methyl group (CH3) to the amine group (-NH2) of 2-aminobutane. One possible reagent that can do this is methyl iodide (CH3I). The reaction would look like this:

CH3=CH-CH2-CH3 + CH3I -> CH3-CH2-CH2-CH3
| |
NH2 CH3-NH2

This reaction is known as an alkylation reaction, where a methyl group is added to a compound. However, please note that this is just one possible reaction and there may be other ways to synthesize N-methyl-2-aminobutane from 2-aminobutane. It is important to consider factors such as reaction conditions, reagent availability, and desired yield when designing a synthesis pathway.
 

1. How is N-methyl-2-aminobutane obtained from 2-aminobutane?

The process of obtaining N-methyl-2-aminobutane from 2-aminobutane involves a reaction called alkylation. This reaction involves the substitution of a hydrogen atom in 2-aminobutane with a methyl group, resulting in the formation of N-methyl-2-aminobutane.

2. What is the purpose of obtaining N-methyl-2-aminobutane from 2-aminobutane?

N-methyl-2-aminobutane is a useful compound in organic synthesis and is commonly used as a building block in the production of pharmaceuticals, agrochemicals, and other industrial chemicals. It can also be used as a solvent in chemical reactions.

3. What are the key properties of N-methyl-2-aminobutane?

N-methyl-2-aminobutane is a colorless liquid with a strong, ammonia-like odor. It has a boiling point of 89-91°C and is soluble in water. It is also flammable and should be handled with caution.

4. What are the potential hazards associated with the production of N-methyl-2-aminobutane?

The production of N-methyl-2-aminobutane involves the use of strong acids and alkylating agents, which can be corrosive and harmful if not handled properly. In addition, the compound itself is flammable and can pose a fire hazard. It is important to follow proper safety protocols and wear appropriate protective gear when working with this compound.

5. Are there any alternative methods for obtaining N-methyl-2-aminobutane?

Yes, there are alternative methods for obtaining N-methyl-2-aminobutane. One method is by reacting 2-aminobutane with an alkyl halide in the presence of a base. Another method is by reacting 2-aminobutane with formaldehyde and a reducing agent, followed by alkylation with an alkyl halide. These methods may be more suitable for certain applications or may have different advantages and disadvantages compared to the traditional alkylation method.

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