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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Reactions of tri-tert-butylazadiboriridine NB2R3 with carbonyl and similar species
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Reactions of tri-tert-butylazadiboriridine NB2R3 with carbonyl and similar species

机译：三叔丁基氮杂二硼硼烷NB2R3与羰基和类似物种的反应

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The carbonyl group of X(R')CO is added to the B-B bond of the three-membered ring compound NB2R3 (1; R = tBu) to give the Five-membered rings [-BR-NR-BR-X(R')C-O-] (2a-d; R'/X = tBu/H, Ph/Ph, H/OMe, H/NMe2). The tetraazoniatetraboratatricyclo[6.2.0.0(3,6)]deca-2,4,7,9-tetraenes N4B4C2R6R'(2) (4a, b; R' = Me, Et), known products from the reaction of I with isonitriles CNR', undergo a rearrangement to give the corresponding deca-1,4,6,9-tetraenes 6a, b by the migration of two tBu groups from boron to carbon on photolysis; the structure of 6a is confirmed by X-ray analysis. The reaction of CO, generated from carbonylmetal complexes (photolytically from [Cr(CO)(6)] or [Cp2Fe2(CO)(4)]; thermally from [Fe-2(CO)(9)] or [Co-2(CO)(8)]), with I gives the 3,7-dioxonia-1,5-diazonia-2,4,6,8-tetraboratanaphtalene O2N2C2B4R6 (7), as has been known from the reaction of [Fe(CO)(5)] and 1. The product 7 is also obtained from the isomeric dispiro compound 5, the known product from the reaction of I with gaseous CO at -78degreesC, by standing in solution at room temperature. Surprisingly, the reaction of 1 with CO from the photolysis of [CpMn(CO)(3)] gives a naphthalene-type isomer of 7, the 1,5-dioxonia-3,7-diazonia species 8, the crystal structure of which is reported. [References: 16]
机译：X（R'）CO的羰基加到三元环化合物NB2R3的BB键上（1; R = tBu），得到五元环[-BR-NR-BR-X（R' ）CO-]（2a-d; R′/ X ＝ tBu / H，Ph / Ph，H / OMe，H / NMe 2）。四氮杂四硼三环[6.2.0.0（3,6）] deca-2,4,7,9-四烯N4B4C2R6R'（2）（4a，b; R'= Me，Et），是I与异腈反应的已知产物CNR′通过光解作用下两个tBu基团从硼到碳的迁移而发生重排，得到相应的十，1、4、6、9-四烯6a，b。 X射线分析证实了6a的结构。由羰基金属配合物（光解[Cr（CO）（6）]或[Cp2Fe2（CO）（4）]产生的CO;热解[Fe-2（CO）（9）]或[Co-2 （CO）（8）]），由I给出3,7-dioxonia-1,5-diazonia-2,4,6,8-tetraboratanaphtalene O2N2C2B4R6（7），从[Fe（ CO）（5）]和1。产物7也得自异构双螺化合物5，该产物是I在室温下静置于溶液中，由I与-CO在-78℃下反应生成的已知产物。令人惊讶的是，[CpMn（CO）（3）]的光解过程中1与CO的反应生成了7的萘型异构体，即1,5-二恶英3,7-二氮杂物种8，其晶体结构被报道。 [参考：16]

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