2-(tert-butyl)-9H-fluoren-9-one | 58775-11-4

• 分子结构分类: 有机化合物 - 苯类化合物 - 芴
• 英文名称: 2-(tert-butyl)-9H-fluoren-9-one
• 英文别名: 2-tert-butylfluoren-9-one；9H-Fluoren-9-one, 2-(1,1-dimethylethyl)-
• CAS: 58775-11-4
• 化学式: C₁₇H₁₆O
• 分子量: 236.313
• InChiKey: BQDZXVFRUZZRPG-UHFFFAOYSA-N

物化性质

• 熔点：
  98-99 °C
• 沸点：
  373.7±12.0 °C(Predicted)
• 密度：
  1.117±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  5.3
• 重原子数：
  18
• 可旋转键数：
  1
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.24
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  2-(tert-butyl)-9H-fluoren-9-one 在 硝酸 作用下， 以48%的产率得到2-tert-butyl-4,7-dinitrofluoren-9-one
  参考文献：
  名称：

  Ong, Beng S.; Keoshkerian, Barkev; Martin, Trevor I., Canadian Journal of Chemistry, 1985, vol. 63, p. 147 - 152

  摘要：

  DOI：
• 作为产物：
  描述：

  4'-(tert-butyl)-[1,1'-biphenyl]-2-carbaldehyde 在 叔丁基过氧化氢 、 二茂铁 作用下， 以 癸烷 、 乙腈 为溶剂， 反应 24.0h， 以84%的产率得到2-(tert-butyl)-9H-fluoren-9-one
  参考文献：
  名称：

  通过碱促进的均质芳香取代（BHAS）进行的交叉脱氢偶联：芴酮和氧杂蒽酮的合成

  摘要：

  报道了通过碱促进的均相芳族取代（BHAS）发生的交叉脱氢偶联反应。可以通过CDC容易地分别从容易获得的邻甲酰基联苯和邻甲酰基联苯醚开始制备芴酮和氧杂蒽。市售和廉价的t BuOOH被用作氧化剂。用少量的FeCp 2（0.1或1 mol％）可以最好地实现自由基链反应的引发。

  DOI：

  10.1021/ol4000857

文献信息

• Photoredox-Catalyzed Deoxygenative Intramolecular Acylation of Biarylcarboxylic Acids: Access to Fluorenones
  作者：Rehanguli Ruzi、Muliang Zhang、Keyume Ablajan、Chengjian Zhu

  DOI：10.1021/acs.joc.7b02197

  日期：2017.12.1

  various biarylcarboxylic acids via photoredox catalysis. Attractive features of this process include generation of acyl radical, which quickly underdone intramolecular radical cyclization. This method marks the first photocatalytic intramolecular acyl radical coupling for constructing carbon–carbon bond, which further synthesizes the valuable fluorenone products with mild conditions, good yields, and

  已经报道了通过光氧化还原催化通过使用各种联芳基羧酸来合成芴酮的有效的脱氧自由基环化反应。该方法的吸引人的特征包括酰基基团的产生，其迅速完成了分子内基团的环化。该方法标志着首次用于构建碳-碳键的光催化分子内酰基自由基偶联，该偶联进一步合成了温和的条件，良好的收率和良好的官能团相容性的有价值的芴酮产品。
• LIGHT-DRIVEN ROTARY MOLECULAR MOTORS
  申请人：Bell Thomas W.

  公开号：US20110077394A1

  公开（公告）日：2011-03-31

  Compounds of Formula (1) are disclosed. C b is a carbocyclic or heterocyclic group having an atom within the cyclic structure selected from C, N, Si, and C r and singly bound to A. A is CR, COR, CSR, CNR 2 , CCN, CCONR 2 , CNO 2 , CNNAr, CX′, or N. C r is a chromophore having a substantially planar cyclic structure. The compounds function as nanometer-scale rotary molecular motors powered and controlled by light energy. The design of the molecular motor devices is flexible so that the rotary direction, drive light wavelength, and other physical characteristics can be varied. The compounds can be chemically functionalized to allow it to be integrated into or attached to a variety of structures. The device can be used in applications where mechanical power, positional control, and information encoding are to be generated at the size scale of individual molecules.

  式（1）的化合物已被披露。 C b 是一个具有环结构内选自C、N、Si和C r 的原子的碳环或杂环基团，并与A单键相连。A是CR、COR、CSR、CNR 2 、CCN、CCONR 2 、CNO 2 、CNNAr、CX′或N。C r 是具有基本平面环结构的色团。这些化合物作为受光能驱动和控制的纳米尺度旋转分子马达。分子马达装置的设计灵活，使得旋转方向、驱动光波长和其他物理特性可以变化。这些化合物可以在化学上官能化，以使其能够集成到或附着到各种结构中。该装置可用于需要在单个分子尺度上产生机械动力、位置控制和信息编码的应用中。
• Direct Deoxygenative Intramolecular Acylation of Biarylcarboxylic Acids
  作者：Chengjian Zhu、Jin Xie、Yantao Li、Wentao Xu

  DOI：10.1055/s-0040-1707246

  日期：2021.3

  A photocatalyzed intramolecular cyclization is developed for the synthesis of fluorenones. In this photoredox reaction, triphenylphosphine is used as an inexpensive and effective deoxygenative reagent for biarylcarboxylic acids to give acyl radicals, which quickly undergo intramolecular radical cyclization. Reactions in the presence of air and continuous flow photoredox technology demonstrate the generality

  开发了一种用于合成芴酮的光催化分子内环化。在该光氧化还原反应中，三苯基膦被用作联芳羧酸的廉价且有效的脱氧试剂，以产生酰基自由基，该自由基迅速进行分子内自由基环化。在空气和连续流光氧化还原技术存在下的反应证明了该过程的通用性和实用性。
• Tricylic amino-acid derivatives
  申请人：Allelix Neuroscience Inc.

  公开号：US06162824A1

  公开（公告）日：2000-12-19

  Described herein are compounds which have the general formula: ##STR1## or a prodrug or pharmaceutically acceptable salt, solvate or hydrate thereof wherein: R.sup.1 is selected from the group consisting of H, alkyl and the counter ion for a basic addition salt; X is selected from the group consisting of CR.sup.9 R.sup.10, S, O, SO, SO.sub.2, NH and N-alkyl; R.sup.2, R.sup.3, R.sup.4, R.sup.9 and R.sup.10 are independently selected from the group consisting of H and alkyl; R.sup.5 and R.sup.6 are independently selected from the group consisting of H, alkyl and phenyl, or, alternatively, R.sup.5 and R.sup.6 together may form a methylene group or a 3- to 6-membered a spirocyclic group; wherein, when X is CR.sup.9 R.sup.10, one or both pairs of R.sup.5 and R.sup.9 or R.sup.6 and R.sup.10 may join to form a double or triple bond R.sup.7 is selected from the group consisting of Formula II-V: ##STR2## which are all optionally substituted, at nodes other than R.sup.8, with 1-4 substituents independently selected from the group consisting of alkyl, halo, aryl (which may be substituted as for R.sup.8), trifluoromethyl, trifluoromethoxy, nitro, cyano, amino, mono-alkylamino, di-alkylamino, alkoxycarbonyl, alkylcarbonyl, alkoxythiocarbonyl, alkylthiocarbonyl, alkoxy, alkylS-, phenoxy, --SO.sub.2 NH.sub.2, --SO.sub.2 NHalkyl, --SO.sub.2 N(alkyl).sub.2 and 1,2-methylenedioxy; and wherein any of the benzo-fused rings in structures II to V may be replaced by a 5- or 6-membered heterocyclic ring selected from the group consisting of pyridine, thiophene, furan and pyrrole; wherein R.sup.8 is selected from the group consisting of H, alkyl, benzyl, cycloalkyl, indanyl and an optionally substituted aryl group, wherein the optional substituents are independently selected from 1-4 members of the group consisting of alkyl, halo, aryl, trifluoromethyl, trifluoromethoxy, nitro, cyano, amino, mono-alkylamino, di-alkylamino, alkoxycarbonyl, alkylcarbonyl, alkoxythiocarbonyl, alkylthiocarbonyl, alkoxy, alkylS-, phenoxy, --SO.sub.2 NH.sub.2, --SO.sub.2 NHalkyl, --SO.sub.2 N(alkyl).sub.2 and 1,2-methylenedioxy; --represents a single or double bond; Y is selected from the group consisting of O, S, SO, NH, N-alkyl, CH.sub.2, CH-alkyl, C(alkyl).sub.2, and C.dbd.O; Z is selected from the group consisting of CH.sub.2, O, S, NH and N-alkyl when--is a single bond; Z is selected from the group consisting of CH and N when--is a double bond. Also described is the use of these compounds as pharmaceuticals.

  本文描述了具有以下一般式的化合物：##STR1##或其前药或药用可接受的盐、溶剂或水合物，其中：R.sup.1选自H、烷基和碱性加成盐的对离子组成的群；X选自CR.sup.9 R.sup.10、S、O、SO、SO.sub.2、NH和N-烷基的群；R.sup.2、R.sup.3、R.sup.4、R.sup.9和R.sup.10独立地选自H和烷基的群；R.sup.5和R.sup.6独立地选自H、烷基和苯基，或者，作为另一选择，R.sup.5和R.sup.6可以一起形成亚甲基基团或3-至6-成员的螺环基团；当X为CR.sup.9 R.sup.10时，R.sup.5和R.sup.9或R.sup.6和R.sup.10中的一个或两个对可能连接以形成双键或三键R.sup.7选自以下式II-V的群：##STR2##它们都可以在除R.sup.8之外的节点上选择性地取代，取代基独立地选自烷基、卤素、芳基（可能像R.sup.8那样被取代）、三氟甲基、三氟甲氧基、硝基、氰基、氨基、单烷基氨基、双烷基氨基、烷氧羰基、烷基羰基、烷氧硫代羰基、烷基硫代羰基、烷氧基、烷基硫、苯氧基、--SO.sub.2 NH.sub.2、--SO.sub.2 NH烷基、--SO.sub.2 N(烷基).sub.2和1,2-亚甲二氧基；结构II至V中的苯并环中的任何一个都可以被选择自吡啶、噻吩、呋喃和吡咯的5-或6-成员杂环环取代；其中R.sup.8选自H、烷基、苄基、环烷基、茚基和一个可选择性取代的芳基，其中可选择性取代基独立地选自烷基、卤素、芳基、三氟甲基、三氟甲氧基、硝基、氰基、氨基、单烷基氨基、双烷基氨基、烷氧羰基、烷基羰基、烷氧硫代羰基、烷基硫代羰基、烷氧基、烷基硫、苯氧基、--SO.sub.2 NH.sub.2、--SO.sub.2 NH烷基、--SO.sub.2 N(烷基).sub.2和1,2-亚甲二氧基；--表示单键或双键；Y选自O、S、SO、NH、N-烷基、CH.sub.2、CH-烷基、C(烷基).sub.2和C.dbd.O的群；当--为单键时，Z选自CH.sub.2、O、S、NH和N-烷基的群；当--为双键时，Z选自CH和N的群。还描述了这些化合物作为药物的用途。
• Synthesis of Fluoren-9-ones and Ladder-Type Oligo-<i>p</i>-phenylene Cores via Pd-Catalyzed Carbonylative Multiple C–C Bond Formation
  作者：Juan Song、Fuliang Wei、Wei Sun、Ke Li、Yanan Tian、Chao Liu、Yali Li、Linghai Xie

  DOI：10.1021/acs.orglett.5b00680

  日期：2015.5.1

  been developed via an efficient Pd-catalyzed carbonylative multiple C–C bond formation. Under a CO atmosphere, using commercially available aryl halides and arylboronic acids as substrates, this three-component reaction proceeded smoothly in moderate to excellent yields with good functional-group compatibility. The mechanistic investigations suggested a sequential process for the reaction that forms o-bromobiaryls

  通过有效的Pd催化的羰基化多个C–C键的形成，已开发出一种新的途径来取代各种9-9取代的芴。在CO气氛下，使用可商购的芳基卤化物和芳基硼​​酸作为底物，该三组分反应以中等至优异的收率顺利进行，并具有良好的官能团相容性。机理研究表明，反应的顺序过程是在第一步中形成邻溴代双芳基，然后进行环羰基化反应。该化学方法已成功地扩展到构建梯型低聚对亚苯基核心。