期刊
ACS CATALYSIS
卷 13, 期 20, 页码 13474-13483出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.3c03663
关键词
nickel-catalysis; reductive coupling; sulfinylsulfones; in situ reduction; organichalide
This study reports a novel synthetic method for the reductive coupling of organic halides with in situ-generated sulfinyl sulfones using a nickel catalyst and zinc reductant. The reaction exhibits broad substrate applicability and good functional group tolerance, making it suitable for the synthesis of complex organic molecules and thioether-containing drugs.
The utilization of sulfinyl sulfones in transition-metal-catalyzed synthetic chemistry has rarely been investigated. Here we report the design and utilization of nickel-catalytic conversion of in situ-generated redox-active sulfinyl sulfones for reductive coupling with a wide variety of organic halides by the dual-role nickel catalyst and dual-role reductant Zn. Mechanistic studies disclose that the key design of such a reaction is the employment of redox-active sulfinyl sulfones, enabling the in situ generation of electrophilic sulfur reagents through zinc-induced reduction facilitated by the nickel catalyst. This strategy demonstrates good tolerance for a wide range of organic halides and functional groups. Furthermore, this method extends to meta-substituted functional diaryl sulfides, enabling the modification of complex bioactive molecules and the synthesis of thioether-containing drugs.
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