1-(2-bromobenzenesulfonyl)-2,5-dihydro-1H-pyrrole | 139021-59-3

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 1-(2-bromobenzenesulfonyl)-2,5-dihydro-1H-pyrrole
• 英文别名: 1-(2-Bromophenyl)sulfonyl-2,5-dihydropyrrole
• CAS: 139021-59-3
• 化学式: C₁₀H₁₀BrNO₂S
• 分子量: 288.165
• InChiKey: XSRJOTLSFAXRCP-UHFFFAOYSA-N

物化性质

• 熔点：
  87-89 °C
• 沸点：
  395.7±52.0 °C(Predicted)
• 密度：
  1.632±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2
• 重原子数：
  15
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  45.8
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  1-(2-bromobenzenesulfonyl)-2,5-dihydro-1H-pyrrole 在 manganese(IV) oxide 作用下， 以 苯 为溶剂， 反应 18.0h， 以90%的产率得到1-((2-bromophenyl)sulfonyl)-1H-pyrrole
  参考文献：
  名称：

  闭环易位-二氧化锰氧化顺序合成取代吡咯

  摘要：

  描述了闭环或烯炔复分解与氧化的组合以制备N-磺酰基吡咯。对于各种取代基均获得了合理的高收率，该方法也可以一锅进行。将以此方式制备的2-溴N-磺酰基加合物进行分子内Heck型环化，形成环状磺酰胺。

  DOI：

  10.1016/j.tet.2016.03.088
• 作为产物：
  描述：

  2-溴苯磺酰氯 在 Grubbs catalyst first generation 、 三乙胺 作用下， 以 二氯甲烷 为溶剂， 反应 18.0h， 生成 1-(2-bromobenzenesulfonyl)-2,5-dihydro-1H-pyrrole
  参考文献：
  名称：

  Double Reduction of Cyclic Aromatic Sulfonamides:  A Novel Method for the Synthesis of 2- and 3-Aryl-Substituted Cyclic Amines

  摘要：

  The facile double reduction of bicyclic aromatic sulfonamides was used to synthesize a variety of 2- and 3-aryl-substituted pyrrolidines and 2-phenylpiperidine. The method features a combined nitrogen protection and a traceless tether for the transposition of the aromatic moiety from nitrogen to carbon.

  DOI：

  10.1021/ol0480123

文献信息

• Synthesis of Polycyclic Lactams and Sultams by a Cascade Ring-Closure Metathesis/Isomerization and Subsequent Radical Cyclization
  作者：Olivier Piva、Cyril Bressy、Christine Menant

  DOI：10.1055/s-2005-862386

  日期：——

  Starting from readily available substrates, a new one-pot procedure has been devised to prepare polycyclic lactams and sultams. 2-Pyrrolines obtained from N,N-bisallylamides by ring-closure metathesis and subsequent isomerization promoted by ruthenium hydride complexes can undergo radical cyclization to furnish polycyclic lactams in good yields. The process was successfully conducted on bisallylsulfonamides to give the corresponding sultams.

  从易得的底物出发，设计了一种新的一步法程序来制备多环内酰胺和内磺酰胺。通过环闭重排和随后由钌氢复合物促进的异构化，获得的2-吡咯啉可以进行自由基环化，良好产率地生成多环内酰胺。该过程成功应用于双丙烯基磺酰胺，生成相应的内磺酰胺。
• The synthesis of bridged-ring carbo- and hetero-cycles via palladium catalysed regiospecific cyclisation reactions
  作者：Ronald Grigg、Vijayaratnam Santhakumar、Visuvanathar Sridharan、Paul Stevenson、Andrew Teasdale、Mark Thornton-Pett、Tanachat Worakun

  DOI：10.1016/s0040-4020(01)91034-8

  日期：1991.11

  A catalyst system comprising 10 mol % (Pd(OAc) and 20 mol % PPh3 effects the cyclisation of aryl halides onto proximate alkenes via 5-, 6-, and 7-exo-trig, and 7-endo-trig processes giving a variety of bridged-ring carbo- and hetero-cycles in excellent yield. Double bond isomerisation in the product is rarley encountered and may be suppressed by the addition of Tl(1) salts. One example of diastereospecific

  包含10 mol％（Pd（OAc）和20 mol％PPh 3的催化剂体系，可通过5-，6-和7-exo-trig和7-endo-trig工艺实现卤代芳基环化到最接近的烯烃上。各种桥环碳环和杂环均具有优异的收率，产品中双键异构化很少见，并可能通过添加Tl（1）盐来抑制，给出了非对映特异性双环化的一个例子，并给出了晶体报道了1-氮杂-2-磺酰基-3，4-苯甲酰的结构。
• Ammonium formate-based one-pot reductive Heck reactions for the construction of cyclic sulfonamides
  作者：Aisha Khalifa、Lorna Conway、Kimberly Geoghegan、Paul Evans

  DOI：10.1016/j.tetlet.2017.10.053

  日期：2017.11

  A modified method is reported for the conversion of unsaturated sulfonamides into their cyclic saturated counterparts. This method utilises a single palladium catalyst for an intramolecular Heck reaction and subsequent transfer hydrogenation, which is achieved in one-pot following the addition of ammonium formate. Accordingly, a range of fourteen structural variations are reported and under optimal

  报道了一种改进的方法，用于将不饱和磺酰胺转化为其环状饱和对应物。该方法利用一种单一的钯催化剂进行分子内Heck反应和随后的转移氢化，这是在添加甲酸铵后一锅内完成的。因此，报道了十四种结构变化的范围，并且在最佳条件下以通常良好至优异的产率生成加合物。值得注意的是，在化合物28和29的情况下，可以实现对差异取代的二烯的区分，并且仅观察到该过程在空间上受阻更大的前体32下失败。
• Diastereoselective functionalisation of benzo-annulated bicyclic sultams: Application for the synthesis of <i>cis</i>-2,4-diarylpyrrolidines
  作者：Susan Kelleher、Pierre-Yves Quesne、Paul Evans

  DOI：10.3762/bjoc.5.69

  日期：——

  The cis-dibromination of unsaturated bicyclic bridgehead sultams 5a and 5b, and experiments designed to understand the cis-stereochemical outcome of these reactions, are described. In the case of 5b, a novel solvent dependent carbocation rearrangement occurs with the formation of 18b. cis-Dibromides 13a and 13b undergo regioselective dehydrobromination, and the participation of the resultant vinyl

  描述了不饱和双环桥头化合物 5a 和 5b 的顺式二溴化，以及旨在了解这些反应的顺式立体化学结果的实验​​。在 5b 的情况下，随着 18b 的形成，发生了一种新型的溶剂依赖性碳正离子重排。顺式二溴化物 13a 和 13b 经历区域选择性脱溴化氢，并且描述了所得乙烯基溴化物 24a 在锂化和 Pd 偶联化学中的参与。在后者的情况下，苯乙烯基产物的氢化提供单一的非对映异构体。然后在溶解的金属还原条件下研究这些化合物，其中 NS 和 CS 键均发生断裂以提供顺式-2,4-二芳基取代的吡咯烷 35-37。
• An Investigation into the One-Pot Heck Olefination−Hydrogenation Reaction
  作者：Kimberly Geoghegan、Susan Kelleher、Paul Evans

  DOI：10.1021/jo200023r

  日期：2011.4.1

  Herein is described an operationally simple process concerning the observation that, following either inter-, or intramolecular Heck olefination, stirring of the so formed substituted alkenyl product under an atmosphere of hydrogen efficiently effects alkene hydrogenation. Overall this two-operation, one-pot "reductive Heck" sequence is notable since direct reductive Heck processes, using additives such as formate salts, are restricted to a limited range of substrates. In total 25 examples are reported (yields ranging from 0 to 95%), which were selected in order to probe the scope and limitations of this method. Finally, the utility of this sequence was demonstrated in a short synthesis of the calcimimetic agent, cinacalcet.