content_image/888195.jpg content_image/888193.jpg
<img src='content_image/888195.jpg'>

The synthesis was performed in the same manner as described for the synthesis of polymer (B-2) in Section 0153 of JP-A-2007-052193. 

The synthesis was performed in the same manner as described for the synthesis of polymer (A-1) in Section 0357 of JP-A-2009-86358. 

Resin (Ab-245) was synthesized in accordance with the following scheme. 

Synthetic Example 2 

## Resin (Ab-14) 

Synthetic Example 3 

## Resin (Ab-97) 

Synthetic Example 4 

## Resin (Ab-245) 

<img src='content_image/888193.jpg'>

## <Synthesis of Compound (5)> 

First, 100.00 g of compound (1) was dissolved in 400 g of ethyl acetate, and the obtained solution was cooled to 0° C. Subsequently, 47.60 g of sodium methoxide (28 mass % methanol solution) was dropped into the cooled solution over 

