Solid phase synthesis of hydantoins by thermal cyclization and screening of reaction conditions using APOS 1200
Wilhelm Karnbrock, Martin Deeg, Jürgen Gerhardt, Wolfgang Rapp
A novel strategy for solid-phase synthesis of hydantoins with high optical purity is described using a thermal pH-neutral cyclization and simultaneous release from resin. Hereby even hydantoins bearing a pH-sensitive side chain (protection) are available. The reaction conditions are well screened applying the parallel organic synthesizer APOS 1200.
APOS 1200, combinatorial chemistry, FT-ATR-IRspectroscopy, hydantoin, solid-phase synthesis, TentaGel, thermal cyclization
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