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Area of Science:

  • Organic Chemistry
  • Fluorination Chemistry
  • Radiochemistry

Background:

  • Deoxyfluorination is a crucial transformation in organic synthesis.
  • Existing deoxyfluorination reagents often suffer from high cost, thermal instability, or poor selectivity.
  • The development of a safe, economical, and selective reagent is highly desirable for both research and industrial applications.

Purpose of the Study:

  • To report a novel, inexpensive, and thermally stable deoxyfluorination reagent.
  • To demonstrate the reagent's broad substrate scope and high selectivity for alcohols.
  • To showcase the application of the [(18)F]-labeled reagent in no-carrier-added deoxy-radiofluorination.

Main Methods:

  • Synthesis and characterization of the new deoxyfluorination reagent.
  • Deoxyfluorination of various primary, secondary, and tertiary alcohols.
  • Evaluation of reaction yields, selectivity, and byproduct formation.
  • Preparation and application of the [(18)F]-labeled reagent for radiofluorination studies.

Main Results:

  • The developed reagent is inexpensive and thermally stable.
  • It effectively fluorinates a broad range of alcohols with minimal elimination side products.
  • The reagent enables deoxyfluorination on a preparative scale.
  • The first example of no-carrier-added deoxy-radiofluorination using the [(18)F]-labeled reagent was achieved.

Conclusions:

  • The new deoxyfluorination reagent offers a unique combination of selectivity, safety, and economic viability.
  • Its suitability for preparative scale deoxyfluorination opens new avenues for synthesis.
  • The successful application in no-carrier-added deoxy-radiofluorination highlights its potential in radiopharmaceutical development.