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2-bromo-1,3-diethyl-1,3,2-benzodiazaborole | 383913-07-3

中文名称
——
中文别名
——
英文名称
2-bromo-1,3-diethyl-1,3,2-benzodiazaborole
英文别名
1H-1,3,2-Benzodiazaborole, 2-bromo-1,3-diethyl-2,3-dihydro-
2-bromo-1,3-diethyl-1,3,2-benzodiazaborole化学式
CAS
383913-07-3
化学式
C10H14BBrN2
mdl
——
分子量
252.95
InChiKey
JIKHZHYZOXBGFX-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 沸点:
    292.6±23.0 °C(Predicted)
  • 密度:
    1.36±0.1 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    2.73
  • 重原子数:
    14
  • 可旋转键数:
    2
  • 环数:
    2.0
  • sp3杂化的碳原子比例:
    0.4
  • 拓扑面积:
    6.5
  • 氢给体数:
    0
  • 氢受体数:
    2

上下游信息

  • 下游产品
    中文名称 英文名称 CAS号 化学式 分子量
    • 1
    • 2

反应信息

  • 作为反应物:
    描述:
    2-bromo-1,3-diethyl-1,3,2-benzodiazaborole 在 Na0.42K0.58 alloy 作用下, 以 正戊烷 为溶剂, 以87%的产率得到bis(1,3-diethyl-2,3-dihydro-1H-1,3,2-benzodiazoborol-2-yl)
    参考文献:
    名称:
    Synthese und Reaktivität von 2-Brom-1,3-diethyl-2,3-dihydro-1 H-1,3,2-benzodiazaborol Molekülstruktur von Bis(1,3-diethyl-2,3-dihydro-1 H-1,3,2-benzodiazaborol-2-yl)
    摘要:
    DOI:
    10.1002/1521-3749(200112)627:12<2663::aid-zaac2663>3.3.co;2-f
  • 作为产物:
    描述:
    1-N,2-N-二乙基苯-1,2-二胺三溴化硼 在 CaH2 作用下, 以 甲苯 为溶剂, 以77%的产率得到2-bromo-1,3-diethyl-1,3,2-benzodiazaborole
    参考文献:
    名称:
    Synthese und Reaktivität von 2-Brom-1,3-diethyl-2,3-dihydro-1 H-1,3,2-benzodiazaborol Molekülstruktur von Bis(1,3-diethyl-2,3-dihydro-1 H-1,3,2-benzodiazaborol-2-yl)
    摘要:
    DOI:
    10.1002/1521-3749(200112)627:12<2663::aid-zaac2663>3.3.co;2-f
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文献信息

  • Synthetic, structural, photophysical and computational studies of π-conjugated bis- and tris-1,3,2-benzodiazaboroles and related bis(boryl) dithiophenes
    作者:Lothar Weber、Vanessa Werner、Mark A. Fox、Todd B. Marder、Stefanie Schwedler、Andreas Brockhinke、Hans-Georg Stammler、Beate Neumann
    DOI:10.1039/b815931a
    日期:——
    A series of π-conjugated systems with two and three 1,3-diethyl-1,3,2-benzodiazaborolyl end-groups was synthesised in 58–91% yields using established 1,3,2-diazaborole methodologies. The bis(diazaborolyl) compounds contain thiophene -2,5-C4H2S- (2a), dithiophene -5,5′-(2,2′-C4H2S)2- (2b), phenylene -1,4-C6H4- (2c), biphenylene -4,4′-(1,1′-(C6H4)2)- (2d) and dioctylfluorene -2,7-(9,9-(C8H7)2C11H6)-
    一系列具有两个和三个1,3-二乙基-1,3,2-苯并二氮杂烯丙基末端基团的π-共轭体系的合成产率为58-91% 1,3,2-二氮杂方法论。双(二氮杂烯丙基)化合物包含噻吩-2,5-C 4 H 2 S-(2a),二噻吩-5,5'-(2,2'-C 4 H 2 S)2-(2b),亚苯基-1,4-C 6 H 4-(2c),联苯-4,4'-(1,1'-(C 6 H 4)2)-(2d)和二辛基-2,7-(9,9) -(C 8 H 7)2 C 11 H 6)-(2e)桥。tris(diazaborolyl)组件中的三向接头包含一个中心亚苯基单元-1,3,5-C 6 H 3-通过噻吩-2,5-C 4 H 2 S-(3a),直接键合(3b)或通过亚苯基-1,4 -C与硼烷基末端基团连接6 H 4-(3c)单位。通过X射线晶体学研究确定2a,2b,2c,3a,3b和3c的分子结构。这些化系统显示出强
  • Syntheses, crystal structures, photophysical and theoretical studies of 1,3,2-benzodiazaborolyl-functionalized diphenylacetylenes
    作者:Lothar Weber、Daniel Eickhoff、Vanessa Werner、Lena Böhling、Stefanie Schwedler、Anna Chrostowska、Alain Dargelos、Małgorzata Maciejczyk、Hans-Georg Stammler、Beate Neumann
    DOI:10.1039/c0dt01410a
    日期:——
    A series of diphenylacetylenes with one 1,3,2-benzodiazaborolyl end group (BDB) and a second end group X (X = H, OMe, NMe2, SMe, CN and BDB) were synthesized using established 1,3,2-benzodiazaborole methodologies. The 1,3,2-benzodiazaborolyldiphenylacetylenes with X = p-H (4), p-OMe (5), p-NMe2 (6), p-SMe (7) and p-CN (8) end groups are functionalized with cyano groups at the central ring in an ortho-position to the triple bond. Molecular structures of 2, 3, 5, 6 and 7 were determined by X-ray diffraction. These borylated systems show intense blue luminescence in cyclohexane, toluene, chloroform, dichloromethane and tetrahydrofuran, whereas green luminescence was observed in acetonitrile solutions. Thereby Stokes shifts in the range 1700–8600 cm−1 and quantum yields of 0.60–1.00 were observed in cyclohexane solutions. The absorption maxima (308–380 nm) are well reproduced by TD–DFT computations (B3LYP/G-311G(d,p)) and arise from strong HOMO–LUMO transitions. The LUMOs in all the molecules under study are mainly located on the diphenylacetylene bridge, while with the exception of the dimethylamino derivative 6, the HOMO is largely benzodiazaborolyl in character. Thus, the S1←S0 absorption bands are assigned to π(diazaborolyl)–π*(diphenylacetylene) transitions. In contrast to this, in compound 6 the HOMO is mainly represented by the terminal dimethylaminophenyl unit. While calculated ground state dipole moments μg are small (1.1–7.5 D), experimentally determined changes of the dipole moments upon excitation are large (14.8–19.7 D) and reflect a significant charge transfer upon excitation. NLO activities of the rod-structured compounds 2, 4, 6 and 8 are indicated by calculated static first-order hyperpolarizabilities β up to 76.8 × 10−30 esu.
    合成了一系列具有一个1,3,2-苯并二氮烯末端基团(BDB)和第二个末端基团X(X = H、OMe、NMe2、SMe、CN和BDB)的二苯乙炔。采用成熟的1,3,2-苯并二氮烯方法。这些1,3,2-苯并二氮烯二苯乙炔(X = p-H (4)、p-OMe (5)、p-NMe2 (6)、p-SMe (7)、p-CN (8))在中央环的邻位三键附近功能化了基。通过X射线衍射确定了分子结构2、3、5、6和7。这些基化系统在环己烷甲苯氯仿二氯甲烷四氢呋喃中显示出强烈的蓝色荧光,而在乙腈溶液中观察到绿色荧光。因此,在环己烷溶液中观察到了1700–8600 cm−1的斯托克斯位移和0.60–1.00的量子产率。吸收最大值(308–380 nm)通过TD–DFT计算(B3LYP/G-311G(d,p))得到了良好的复现,并源于强HOMO–LUMO跃迁。所有研究分子的LUMO主要位于二苯乙炔桥上,而除了二甲氨基生物6外,HOMO主要具有苯并二氮烯的特征。因此,S1←S0吸收带被归因于π(苯并二氮烯)–π*(二苯乙炔)跃迁。与此相反,在化合物6中,HOMO主要由末端二甲基基苯基单元表示。虽然计算的基态偶极矩μg较小(1.1–7.5 D),但实验测定的激发后偶极矩变化较大(14.8–19.7 D),反映了激发时显著的电荷转移。杆状化合物2、4、6和8的NLO活性通过计算的静态一阶超极化率β最高达到76.8 × 10−30 esu。
  • Synthetic, structural, photophysical and computational studies on 2-arylethynyl-1,3,2-diazaboroles
    作者:Lothar Weber、Vanessa Werner、Mark A. Fox、Todd B. Marder、Stefanie Schwedler、Andreas Brockhinke、Hans-Georg Stammler、Beate Neumann
    DOI:10.1039/b821208b
    日期:——
    are largely aryl in character for all compounds. Thus, in contrast to other conjugated systems containing three-coordinate boron centers such as B(Mes)(2), (Mes = 2,4,6-Me(3)C(6)H(2)), in which the boron serves as a pi-acceptor, the 10-pi electron benzodiazaborole moiety appears to function as a pi-donor moiety.
    新的2-芳基炔基苯并-1,3,2-二氮杂硼烷,2-(4'-XC(6)H(4)C [三键,长度为m-破折号] C)-1,3-Et(2) -1,3,2-N(2)BC(6)H(4)(X = Me; MeO; MeS; Me(2)N)由B-二氮杂硼酸酯2-Br-1,3-制备Et(2)-1,3,2-N(2)BC(6)H(4),带有适当的化芳基乙炔,ArC 3键,长度为m-CLi。和的分子结构通过X射线衍射研究确定。对这些diazaboroles的紫外可见光谱和发光光谱研究表明,强烈的蓝/紫荧光具有非常大的量子产率,为0.89-0.99。实验结果得到DFT和TD-DFT计算的补充。相对于5900-7300 cm(-1)范围内的斯托克斯位移,仅2600 cm(-1)的斯托克斯位移由(X = H)所发现的不同电子结构部分地解释了。HOMO主要位于其中的二氮杂烯丙基中的芳基上,而对于所有化合物而言,L
  • Experimental and Theoretical Studies on Organic D-π-A Systems Containing Three-Coordinate Boron Moieties as both π-Donor and π-Acceptor
    作者:Lothar Weber、Daniel Eickhoff、Todd B. Marder、Mark A. Fox、Paul J. Low、Austin D. Dwyer、David J. Tozer、Stefanie Schwedler、Andreas Brockhinke、Hans-Georg Stammler、Beate Neumann
    DOI:10.1002/chem.201102059
    日期:2012.1.27
    different types of three‐coordinate boron moieties serving as both π‐donor and π‐acceptor. Molecular structures of 2, 3, and 4 were determined by single‐crystal X‐ray diffraction. Photophysical studies on these systems reveal blue‐green fluorescence in all compounds. The Stokes shifts for 1, 2, and 3 are notably large at 7820–9760 cm−1 in THF and 5430–6210 cm−1 in cyclohexane, whereas the Stokes shift for
    四个线性π共轭体系,其中1,3-二乙基-1,3,2-苯并二氮杂烯丙基[C 6 H 4(NEt)2 B]的一端为π-供体,而二聚间苯二甲酰(BMes 2)为π-受体在另一端进行了合成。这些不寻常的推挽系统包含亚苯基( 1,4-C 6 H ^ 4  ; 1),亚联苯基( 4,4' - (1,1'--C 6 H ^ 4)2  ; 2),噻吩( 2,5-C 4 H ^ 2小号 ; 3),和二噻吩( 5,5' - (2,2'--C 4 H ^ 2 S)2  ; 4)作为π共轭桥和不同类型的三坐标部分同时充当π供体和π受体。的分子结构2,3和4是由单晶X射线衍射来确定。对这些系统的光物理研究表明,所有化合物均具有蓝绿色荧光。斯托克斯位移为1,2,和3是在7820-9760厘米特别是大-1的THF和5430-6210厘米-1中环己烷,而斯托克斯位移为4在THF中为5510cm -1,在环己烷中为2450cm
  • Syntheses of rod-shaped fluorescent 1,3,2-benzodiazaboroles with phosphonium, and phosphane chalcogenide acceptor functions
    作者:Lothar Weber、Henry Kuhtz、Lena Böhling、Andreas Brockhinke、Anna Chrostowska、Alain Dargelos、Audrey Mazière、Hans-Georg Stammler、Beate Neumann
    DOI:10.1039/c2dt30666b
    日期:——
    A series of 1,4-phenylenes X-C6H4-BDB with a 1,3,2-benzodiazaborolyl (BDB) and a phosphorus based end group [X = PPh2 (2), P(O)Ph2 (3), P(S)Ph2 (4), P(Se)Ph2 (5), P(AuCl)Ph2 (6) and P(Me)Ph2 (7)] as well as 2-(2′)thienyl-1,3,2-benzodiazaboroles with a second end group X [X = PPh2 (8), P(S)Ph2 (9), P(Se)Ph2 (10) and P(Me)Ph2 (11)] in the 5′ position were synthesised using established methodologies. Molecular structures of 2–9 and 11 were determined by X-ray diffraction. Compounds 3, 4, 6, 7, 9 and 11 show intense blue luminescence in cyclohexane, toluene, chloroform, dichloromethane and tetrahydrofuran with pronounced solvatochromism. Thereby Stokes shifts in the range of 8950–10 440 cm−1 and quantum yields up to 0.70 were observed in dichloromethane solutions. In contrast to this, for the selenides 5 and 10 quantum yields are small (<0.1). The absorption maxima (298–340 nm) are well reproduced by TD-DFT computations (B3LYB/G-311G(d,p)) and arise from strong HOMO–LUMO transitions. With the exception of 5 and 10 the HOMOs of the molecules under study are mainly located on the benzodiazaborole group. In 5 and 10 the HOMOs are on the selenium atoms. The LUMOs of all new neutral molecules are mainly represented by the phenylene or thiophene bridge. In the phosphonium cations the LUMOs have additional contributions from the phosphonium unit.
    合成了一系列的1,4-芳烃X-C6H4-BDB,具有1,3,2-苯并二氮硼烷 (BDB) 和基于的末端基团[X = PPh2 (2), P(O)Ph2 (3), P(S)Ph2 (4), P(Se)Ph2 (5), P(AuCl)Ph2 (6) 和 P(Me)Ph2 (7)],以及在5'位的2-(2')噻吩基-1,3,2-苯并二氮硼烷,具有第二个末端基团X [X = PPh2 (8), P(S)Ph2 (9), P(Se)Ph2 (10) 和 P(Me)Ph2 (11)]。这些化合物是使用已建立的方法合成的。通过X射线衍射确定了化合物2–9和11的分子结构。化合物3、4、6、7、9和11在环己烷甲苯氯仿二氯甲烷四氢呋喃中展现出强烈的蓝色发光,且具有显著的溶剂变色效应。因此,在二氯甲烷溶液中观察到了8950–10,440 cm−1的斯托克斯位移和高达0.70的量子产率。相比之下,化物5和10的量子产率较小 (<0.1)。吸收峰(298–340 nm)通过TD-DFT计算(B3LYB/G-311G(d,p))得到了良好的再现,并源于强烈的HOMO–LUMO跃迁。除了5和10外,所研究分子的HOMO主要位于苯并二氮硼烷基团上。在5和10中,HOMO位于硒原子上。所有新的中性分子的LUMO主要由芳烃或噻吩桥表示。在磷鎓阳离子中,LUMO还来自鎓基团的额外贡献。
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