Norbornane-2-spiro -α- cycloalkanones -α'--spiro-2 '- norbornane 5,5', 6,6 '- tetracarboxylic dianhydrides, norbornane-2-spiro -α - cycloalkanones -α'--spiro-2 '- norbornane 5,5', 6,6 '- and its esters tetracarboxylic acid, norbornane-2-spiro -α- cycloalkanones -α' - spiro-2 '' - norbornane 5,5 ', 6,6' - the production method of tetracarboxylic dianhydrides, polyimides obtained by using the same, and a method of manufacturing a polyimide

摘要

The following general formula (1): [Formula 1] [Equation (1), n represents an integer of ^{0~12, 2, R 3 R 1, R} represents hydrogen atom or the like independently. ] tetracarboxylic dianhydrides - '- norbornane 5,5', 6,6 '' norbornane-2-spiro -α- cycloalkanones -α'--spiro-2 'represented by the formula.