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Synthesis of 2,6-Hexa-tert-butylterphenyl Derivatives, 2,6-(2,4,6‑t‑Bu3C6H2)2­C6H3X, where X = I, Li, OH, SH, N3, or NH2

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Figshare2017-05-01 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Synthesis_of_2_6-Hexa-_i_tert_i_-butylterphenyl_Derivatives_2_6-_2_4_6_i_t_i_Bu_sub_3_sub_C_sub_6_sub_H_sub_2_sub_sub_2_sub_C_sub_6_sub_H_sub_3_sub_X_where_X_I_Li_OH_SH_N_sub_3_sub_or_NH_sub_2_sub_/4956539
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A “double benzyne” reaction between 1,3-dichloro-2-iodobenzene and 2,4,6-t-Bu3C6H2MgBr followed by the addition of iodine led to 2,6-(2,4,6-t-Bu3C6H2)2C6H3I (HTBTI) in 65% yield. Lithiation of HTBTI with Li-t-Bu gave Li­(Et2O)2HTBT from which HTBTSH, HTBTN3, HTBTNH2, and HTBTOH were prepared. An X-ray structure of W­(OHTBT)2Cl4 shows that the two HTBTO ligands are trans to one another with the t-Bu3C6H2 groups on one HTBTO interdigitated with the t-Bu3C6H2 groups on the other HTBTO.
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2017-05-01
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