Table 1.
Yields and melting points of amides (3) when using the B(OCH3)3 amidation method.
Cmpd |
R1 |
R2 |
Yield [%] |
Mp [°C] |
---|---|---|---|---|
3 a |
H |
H |
98 |
108–110 |
3 b |
4‐F |
H |
89 |
114–116 |
3 c |
4‐Cl |
H |
85 |
135–136 |
3 d |
4‐Cl |
Cl |
84 |
126–128 |
3 e |
2,4‐diCl |
H |
100 |
78–80 |
3 f |
2,4‐diCl |
Cl |
40 |
106–108 |
3 g |
4‐CH3 |
H |
100 |
96–98 |
3 h |
4‐CF3 |
H |
34 |
104–106 |
3 i |
4‐OCH3 |
H |
98 |
126–128 |
3 j |
3,4‐diOCH3 |
H |
83 |
116–118 |
3 k |
NHBoc |
H |
79 |
118–120 |