CO 2是一种重要的C1资源。我们报告了一种通过使 CO 2与烯丙基胺反应来合成具有药理学活性的 2-恶唑烷酮的方法。与之前的加成反应相反,不饱和双键得以保留。因此,该产品更具可塑性,更易于用于后续的结构改造。此外,该方法还可以应用于六元杂环(1,3-oxazinan-2-ones)的合成以及低浓度CO 2的参与,具有一定的实用性。
Photoredox Alkylation of Sulfinylamine Enables the Synthesis of Highly Functionalized Sulfinamides and S(VI) Derivatives
作者:Ling Li、Shi-qi Zhang、Yue Chen、Xin Cui、Gang Zhao、Zhuo Tang、Guang-xun Li
DOI:10.1021/acscatal.2c05169
日期:2022.12.16
Sulfinamides have widespread applications in organic synthesis, especially for the preparation of S(VI) derivatives such as sulfonimidamide and sulfonimidate ester. The previous methods for the preparation of these compounds are restricted to an aryl substituent or Grignard reagent with limited functional groups. Here, we disclosed a photocatalyzed approach for obtaining these compounds with high functionalization
亚磺酰胺在有机合成中有着广泛的应用,特别是用于制备磺酰亚胺和磺酰亚胺酯等S(VI)衍生物。以前制备这些化合物的方法仅限于芳基取代基或具有有限官能团的格氏试剂。在这里,我们公开了一种获得这些具有高官能化水平的化合物的光催化方法。易于获得的 1,4-二氢吡啶,可提供以 C sp 3为中心的烷基自由基,与易于获得的N顺利反应-亚磺酰胺以良好的产率生产相应的亚磺酰胺。此外,通过在一锅中连续添加卤素试剂和N-或O-中心的亲核试剂,可以将产生的亚磺酰胺转化为相应的磺酰亚胺和磺酰亚胺酯。该方法不仅可以实现克级亚磺胺类药物的制备,而且保证了一系列药物或天然产物的后修饰。
Synthesis of Supramolecular Organogels Derived from Urea and Bisurea Derivatives of Dehydroabietylamine
作者:Afshan Aslam、Imran Ali Hashmi、Viqar-uddin Ahmed、Firdous Imran Ali
DOI:10.1080/00397911.2012.745157
日期:2013.10.18
The gelation ability of diterpenes was investigated by applying aromatic linker steroid strategy. Four new mono (1) and bis-urea (2-4) derivatives of dehydroabietylamine (DAA) (a tricyclic diterpene amine) were synthesized on reaction of respective isocyanates with DAA and characterized through spectroscopic data. Three of these (1, 2, and 4) were obtained as low-molecular-weight organogelators that can form thermally reversible organogels. Supplementary materials are available for this article. Go to the publisher's online edition of Synthetic Communications (R) for full experimental and spectral details.
CN114805404
申请人:——
公开号:——
公开(公告)日:——
Electrochemically Mediated Carboxylative Cyclization of Allylic/Homoallylic Amines with CO<sub>2</sub> at Ambient Pressure
作者:Yong-Zhou Pan、Qiang Xia、Jin-Xiu Zhu、Ying-Chun Wang、Ying Liang、Hengshan Wang、Hai-Tao Tang、Ying-Ming Pan
DOI:10.1021/acs.orglett.2c03377
日期:2022.11.11
resource. We report a method for the synthesis of pharmacologically active 2-oxazolidinones by reacting CO2 with allylicamines. As opposed to previous addition reactions, the unsaturated double bonds are preserved. Thus, the product is more plastic and easier to use for subsequent structural modification. Furthermore, this method can also be applied to the synthesis of six-membered heterocycles (1,3-oxazinan-2-ones)
CO 2是一种重要的C1资源。我们报告了一种通过使 CO 2与烯丙基胺反应来合成具有药理学活性的 2-恶唑烷酮的方法。与之前的加成反应相反,不饱和双键得以保留。因此,该产品更具可塑性,更易于用于后续的结构改造。此外,该方法还可以应用于六元杂环(1,3-oxazinan-2-ones)的合成以及低浓度CO 2的参与,具有一定的实用性。