In the first reaction, is A Lewis acid or Lewis base? In the second reaction, is Ba Brønsted-Lowry acid or Brønsted-Lowry base? A - e" H N. RR - e H N. RR .N. ROR - H*

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter26: Biomolecules: Amino Acids, Peptides, And Proteins
Section26.SE: Something Extra
Problem 33AP
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Below is the general scheme for the electrochemical generation of
nitrenium ions from secondary arylamines.
In the first reaction, is A Lewis acid or Lewis base?
In the second reaction, is B a Brønsted-Lowry acid or Brønsted-Lowry base?
A
B
H
- e
N.
RR
R+R
R
- H*
DMDPA
DPTA
R:
OMe
CH3
IZ:
Transcribed Image Text:Below is the general scheme for the electrochemical generation of nitrenium ions from secondary arylamines. In the first reaction, is A Lewis acid or Lewis base? In the second reaction, is B a Brønsted-Lowry acid or Brønsted-Lowry base? A B H - e N. RR R+R R - H* DMDPA DPTA R: OMe CH3 IZ:
Expert Solution
Step 1: Acid-Base

There are various definitions of acid-base, such as:

(1) Arrhenius acid: Furnish H+ ion in aqueous solution

Arrhenius base: Furnish OH- ion in aqueous solution.

(2) Bronsted-Lowry acid: Releases H+.

Bronsted-Lowry base: Consumes H+.

(3) Lewis acid: Accepts electrons.

Lewis base: Donates electrons.

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