Modulation of photodeprotection by the sunscreen protocol

Or Eivgi, Efrat Levin, N. Gabriel Lemcoff

Research output: Contribution to journalArticlepeer-review


A protocol for the selective photoremoval of alcohol protecting groups modulated by the presence of auxiliary light absorbing molecules is presented. Thus, by this method, a single light source was used to selectively remove a specific protecting group in the presence of another chromophore with a lower molar absorption coefficient. The use of a molecular sunscreen, either internal or external, was found to be crucial to achieve high selectivities.

Original languageEnglish
Pages (from-to)740-743
Number of pages4
JournalOrganic Letters
Issue number3
StatePublished - 6 Feb 2015

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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