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Chapter – 2 Microwave assisted simple and fast…..
2.3.3 SCHEME - 3
R 1
R 2
:
N H
Base
2.3.4 SCHEME - 4
R 1
R 2
:
N H
:
N
N
H
O
:
H
CH 3
Base
O
N -
R 1
R 2
Base
N -
R 1
R 2
Base
+ Cl
+ Cl
Department of Chemistry, Saurashtra University, Rajkot – 360 005 78
O
O
O
Cl
N -
Cl
C
H 3
N -
O
O
CH 3
: N
O
:
N
+
+
R 1
R 2
Cl
R 1
R 2
Cl
O
O
:
N
:
N
R 1
N
R 1
N
O
O
O
R 2
O
R 2
R 1
N
R 1
N
Cl
Cl
R 2
R 2