Tetrahedron Letters p. 1653 - 1656 (1998)
Update date:2022-08-11
Topics:
Misetic, Ana
Boyd, Mary K.
The 9-phenylxanthyl (pixyl or Px) moiety has been investigated as a potential photocleavable protecting group for primary alcohols. Alcohols 2a- e were protected in good yield by treatment with 9-chloro-9-phenylxanthene in dry pyridine at room temperature. Irradiation of the alcohol derivatives in neutral aqueous acetonitrile regenerates 2a-e and the 9-phenylxanthyl alcohol.
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