Spirocyclic acetal compound and method of producing the same, and polymer having spirocyclic acetal structure
AssigneeFUJIFILM Corporation
InventorsTakayuki Ito, Sumiaki Yamasaki, Toshimitsu Sakuma
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Abstract
A method of producing a spirocyclic acetal compound of formula (II), having subjecting a compound of formula (I) and pentaerythritol to dehydration condensation, in the presence of a solid acid catalyst; and the polymer having a repeating unit represented by formula (III), which is produced using the spirocyclic acetal compound of formula (II): wherein R1 represents an alkyl, cycloalkyl or aryl group, Q represents a hydrogen atom or an acyl group, L represents a divalent linking group having at least one carbon atom, and n is 0 or 1
Claims10
A method of producing a spirocyclic acetal compound represented by formula (II), comprising the step of:
- subjecting a compound represented by formula (I) and pentaerythritol to dehydration condensation, in the presence of a solid acid catalyst,
- wherein R1 represents an alkyl group, a cycloalkyl group or an aryl group, in which each of these groups may have a substituent;
- and Q represents a hydrogen atom or an acyl group.
A spirocyclic acetal compound represented by formula (A):
- wherein Q represents a hydrogen atom or an acyl group.
A polymer having a repeating unit represented by formula (III):
- wherein L represents a divalent linking group having at least one carbon atom, and n represents 0 or 1.
A method of producing a polymer having a repeating unit represented by formula (III), comprising the steps of:
- subjecting a spirocyclic acetal compound represented by formula (B), to polymerization:
- wherein Q2 represents a hydrogen atom, —COCH3, or —COC2H5;
- wherein L represents a divalent linking group having at least one carbon atom, and n represents 0 or 1.
Dependencies are inferred from the claim text.