1,5-Diaza-2,6-diborabicyclo[3.3.0]octadienes: Products of the Reactions of Trihaloboranes with Ketazines
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https://figshare.com/articles/dataset/1_5-Diaza-2_6-diborabicyclo_3_3_0_octadienes_Products_of_the_Reactions_of_Trihaloboranes_with_Ketazines/3762150
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资源简介：
The 1,5-diazonia-2,6-diboratabicyclo[3.3.0]octa-18,4-dienes 1−4 were prepared from dilithiated ketazines and trihaloboranes, BX3 (X = F, Cl, Br, I). Upon elimination of HX the
corresponding 1,5-diaza-2,6-diborabicyclo[3.3.0]octa-3,7-dienes were formed and compounds
5 and 6 (X = Cl, Br) were isolated. Treatment of 5 with MeLi and tBuOLi, respectively,
gave 10 and 11. Monocyclic 1,2,3-azaazoniaborata-5-cyclopentenes (7−9: X = F, Cl, Br)
resulted from monolithiated ketazines and BX3. The compounds were characterized by NMR
spectroscopy (1H, 11B, 13C, 19F), MS, and elemental analyses (CH). X-ray crystal structure
determinations are presented for 1−4 and 11.
创建时间：
2016-08-26
