Chemistry Reference
In-Depth Information
The
para
substituted methylolphenols, of course, react in the same manner:
OH
O
O
2
O
OH
Formation of methylene bridges take place by one of two mechanisms. One is a direct S
N
2
displacement:
O
O
O
O
OH
+
+
OH
O
O
+
H
2
O
The other one is addition of methylolated phenols to molecules of quinone methides that form at
typical reaction conditions, particularly when the temperatures are elevated [
144
-
146
]:
O
O
OH
+
OH
O
O
O
O
+
O
O
O
O
+
HOH
+
OH
