Practical Synthesis of Chiral 3-(Hydroxyiminomethyl)adipic Acid, a Key Intermediate of the ROR-γ Inhibitor JTE-151, via Crystallization-Induced Dynamic Resolution
作者:Hiromu Takiguchi、Takashi Watanabe、Takashi Ogo、Hideaki Ishibashi、Katsuyuki Yokota、Shingo Obika、Takashi Inaba
DOI:10.1021/acs.oprd.3c00320
日期:2023.12.15
A practical six-step process for the production of chiral 3-(hydroxyiminomethyl)adipic acid 4 featuring highly efficient crystallization-induced dynamic resolution (CIDR) as the key step is reported. This compound was converted to isoxazole 23, an API starting material candidate of the ROR-γ inhibitor JTE-151, via isoxazole core construction by 1,3-dipolar cycloaddition and subsequent Ag2O-catalyzed
报道了一种以高效结晶诱导动态拆分(CIDR)为关键步骤的手性 3-(羟基亚氨基甲基)己二酸 4 生产的实用六步工艺。该化合物通过 1,3-偶极环加成和随后的 Ag 2 O 催化的脱羧作用,通过异恶唑核心构建,转化为异恶唑 23(ROR-γ 抑制剂 JTE-151 的 API 起始原料候选物)初步在异恶唑核上引入羧基。