Benzoylgermanium Derivatives as Novel Visible-Light Photoinitiators for Dental Composites

New dibenzoylgermanium derivatives are synthesized starting from various dithioacetal protected benzaldehydes by a coupling reaction with different dialkyldichlorogermanes and subsequent oxidative cleavage of the protecting group

Norbert Moszner

2009

Scholarcy highlights

  • New dibenzoylgermanium derivatives are synthesized starting from various dithioacetal protected benzaldehydes by a coupling reaction with different dialkyldichlorogermanes and subsequent oxidative cleavage of the protecting group
  • The different dibenzoylgermanium derivatives are used as amine‐free visible‐light photoinitiators for dental cements and composites
  • Composites based on the different dibenzoylgermanes are storage‐stable and show a significantly improved bleaching behavior over composites with CQ/amine photoinitiators
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