Tetracarboxylic dianhydride, polyimide precursor resin and solution thereof, and polyimide and solution thereof
Abstract:
A tetracarboxylic dianhydride represented by the following general formula (1): [in the formula (1), R1, R2, and R3 each independently represent a hydrogen atom and the like, and n represents an integer of 0 to 12], wherein a ratio of a summed amount of a specific stereoisomer (A) and a specific stereoisomer (B) is 50% by mole or more relative to a total amount of stereoisomers based on three-dimensional configurations of two norbornane rings in the general formula (1), and a content ratio of the stereoisomer (A) is 30% by mole or more relative to the total amount of the stereoisomers.
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