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Synthesis of Aryl Trimethylstannane via BF3·OEt2‑Mediated Cross-Coupling of Hexaalkyl Distannane Reagent with Aryl Triazene at Room Temperature

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posted on 2018-12-12, 00:00 authored by Shuai Mao, Zhengkai Chen, Lu Wang, Daulat Bikram Khadka, Minhang Xin, Pengfei Li, San-Qi Zhang
BF3·OEt2-mediated cross-coupling of (SnMe3)2 with aryl triazene offers a new strategy for the synthesis of aryl stannane. A variety of synthetically useful aryl trimethylstannanes were produced in moderate to good yields with this metal-free approach. One-pot sequential Stille cross-coupling with different aryl bromides provides a short entry to both symmetrical and unsymmetrical biaryl compounds.

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