| 摘要 |
PROBLEM TO BE SOLVED: To provide a raw material for alkali-soluble photosensitive resin composition that permits easy pattern formation and has excellent high heat resistance, high reliability, for example, moisture-resistance reliability, further high transparency and low dielectric constant. SOLUTION: In the presence of a palladium catalyst complex and a base, a compound represented by general formula (1) (wherein R<SB>1</SB>is H, -CO-R<SB>2</SB>or -SO<SB>2</SB>-R<SB>2</SB>) and a compound represented by general formula (2) [wherein R<SB>1</SB>is same as in the general formula (1)] are allowed to react with each other to produce a compound of general formula (3) (wherein n is an integer of 1 or more; R<SB>1</SB>is H or -CO-R<SB>2</SB>or -SO<SB>2</SB>-R<SB>2</SB>). In this case, the base has preferably pKa > 11. The alkali-soluble resin composition is prepared by allowing a compound represented by general formula (3) to react with a compound bearing two or more benzocyclobutene structures in one molecule at 100°C to 200°C with heat and its carboxyl group equivalent is≤400 g/mole. COPYRIGHT: (C)2005,JPO&NCIPI
|
