The Ireland–Claisen rearrangement strategy towards the synthesis of the schizophrenia drug, (+)-asenapine†
Abstract
(±)-Asenapine, sold in the market as Saphris/Sycrest for the treatment of bipolar disorders, is synthesized in an optically pure form involving an Ireland–Claisen rearrangement as the key step. This approach allows access to all diastereomers.
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