6-methyl-4-naphthalen-1-yl-2-oxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid ethyl ester | 1032574-17-6

• 分子结构分类: 有机化合物 - 苯类化合物 - 萘
• 英文名称: 6-methyl-4-naphthalen-1-yl-2-oxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid ethyl ester
• 英文别名: ethyl 6-methyl-4-(naphthalen-1-yl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate；ethyl 6-methyl-4-naphthalen-1-yl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate
• CAS: 1032574-17-6
• 化学式: C₁₈H₁₈N₂O₃
• 分子量: 310.353
• InChiKey: DPFAJACZNFMVPC-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.6
• 重原子数：
  23
• 可旋转键数：
  4
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.22
• 拓扑面积：
  67.4
• 氢给体数：
  2
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  6-methyl-4-naphthalen-1-yl-2-oxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid ethyl ester 在 ammonium cerium(IV) nitrate 、 溶剂黄146 作用下， 反应 2.0h， 以65%的产率得到ethyl 2,4-dioxo-6-(1-naphthyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate
  参考文献：
  名称：

  Regioselective dehydrogenation of 3,4-dihydropyrimidin-2(1H)-ones mediated by ceric ammonium nitrate

  摘要：

  Ceric ammonium nitrate (CAN) has been explored for the regioselective oxidation of 3,4-dihydropyrimidin-2(1H)-ones (DHPMs). Interestingly, we obtained ethyl 2,4-dioxo-6-phenyl-tetrahydropyrimidin-5-carboxylates as the major products during the oxidation of DHPMs by CAN/AcOH at 80 degrees C. The reaction afforded a mixture of products while employing CAN in organic solvents without additives. However, the regioselective dehydrogenated product, ethyl 6-methyl-4-aryl(alkyl)-pyrimidin-2(1H)-one-5-carboxylate was obtained by performing the reaction with NaHCO3. The single crystal X-ray crystallography of ethyl 6-methyl-4-(2-phenyl)-pyrimidin-2(1H)-one-5-carboxylate revealed that the oxidized product existed in amidic form rather than aromatized enol form of pyrimidines. The efficiency of the present protocol enabled the synthesis of structurally diverse pyrimidines in moderate to good yields under milder reaction conditions. (c) 2006 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2006.07.063
• 作为产物：
  描述：

  1-萘甲醛 在 sodium hydrogensulfite 、 溶剂黄146 作用下， 以 乙醇 、 水 为溶剂， 反应 12.0h， 生成 6-methyl-4-naphthalen-1-yl-2-oxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid ethyl ester
  参考文献：
  名称：

  使用可回收王树脂负载的磺酸催化剂从醛亚硫酸氢盐加合物高效合成 3,4-二氢-2(1H)-嘧啶酮

  摘要：

  ：使用可回收聚合物负载的磺酸催化剂，从醛亚硫酸氢盐加合物、乙酰乙酸乙酯和尿素开发了一种高效的一锅多组分合成 3,4-二氢嘧啶-2(1H)-酮。与以前的合成方法相比，这种新方法提供了几个优势，包括高产率、商业上可行、最少的后处理操作和可持续的化学实践。

  DOI：

  10.2174/1570178618666210225113723

文献信息

• An Amine Functionalized Metal–Organic Framework as an Effective Catalyst for Conversion of CO₂ and Biginelli Reactions
  作者：Ashish Verma、Dinesh De、Kapil Tomar、Parimal K. Bharadwaj

  DOI：10.1021/acs.inorgchem.7b01286

  日期：2017.8.21

  could be easily removed along with the guest molecules in the lattice upon activation to afford the desolvated framework 1′. This produced exposed metal sites that, along with the pendant amine groups incorporated in the ligand, generated a coordination space in the framework to make it an outstanding heterogeneous catalyst for the chemical fixation of CO2 with various epoxides under atmospheric pressure

  高度多孔的和热稳定的阴离子的Zn（II）-framework，[（CH 3）2 NH 2 + ] 2 [的Zn 3（（μ 3 -O））（L）2（H 2 O）]·4DMF·已经采用溶剂热技术合成了具有暴露的金属位点和胺侧基的2H 2 O} n（1）。该阴离子3D骨架显示出2％的互穿度，空隙体积为45.1％。它具有一个3,6-c二叉网络，并带有稀有的3,6-conn拓扑。活化后，金属结合的水配体可以很容易地与晶格中的客体分子一起去除，从而提供去溶剂化的骨架1′。这产生了暴露的金属位点，这些位点与配体中引入的侧基胺基团一起在骨架中产生了配位空间，使其成为出色的非均相催化剂，用于在大气压力下以及在三种条件下用各种环氧化物对CO 2进行化学固定。组分Biginelli与不同的醛，乙酰乙酸乙酯和尿素反应生成二氢嘧啶酮。
• Concentrated solar radiation as a renewable heat source for a preparative-scale and solvent-free Biginelli reaction
  作者：Yatin U. Gadkari、Navnath T. Hatvate、Balaram S. Takale、Vikas N. Telvekar

  DOI：10.1039/d0nj01351j

  日期：——

  A well-known Biginelli reaction for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones was performed in an environmentally responsible manner. Large numbers of substrates were screened, and found to give excellent yields of the desired products. In addition to the synthesis of drug molecules, the reaction was easily scaled up to 50 mmol. The present method was also energy efficient and saved

  以对环境负责的方式进行了众所周知的Biginelli反应，该反应用于合成3,4-二氢嘧啶-2（1 H）-酮/硫酮。筛选了大量的底物，发现得到所需产物的优异产率。除了合成药物分子外，该反应还容易扩大到50 mmol。与传统方法相比，本方法还具有能源效率，并节省了95％以上的能量。
• An Enantioselective Biginelli Reaction Catalyzed by a Simple Chiral Secondary Amine and Achiral Brønsted Acid by a Dual-Activation Route
  作者：Junguo Xin、Lu Chang、Zongrui Hou、Deju Shang、Xiaohua Liu、Xiaoming Feng

  DOI：10.1002/chem.200701581

  日期：2008.3.27

  An enantioselective Biginelli reaction that proceeds by a dual-activation route has been developed by using a combined catalyst of a readily available trans-4-hydroxyproline-derived secondary amine and a Bronsted acid. Aromatic, heteroaromatic, and fused-ring aldehydes were found to be suitable substrates for this multicomponent reaction. The corresponding dihydropyrimidines were obtained in moderate-to-good

  通过使用容易获得的反式4-羟基脯氨酸衍生的仲胺和布朗斯台德酸的组合催化剂，已经开发了通过双活化途径进行的对映选择性比吉内利反应。发现芳族，杂芳族和稠环醛是该多组分反应的合适底物。在温和条件下，以中等至良好的收率获得了相应的二氢嘧啶，收率高达98％ee。根据实验结果和观察到的产物的绝对构型，提出了一个合理的过渡态来解释激活和不对称诱导的起源。
• One Pot Synthesis of Micromolar BACE-1 Inhibitors Based on the Dihydropyrimidinone Scaffold and Their Thia and Imino Analogues
  作者：Jessica Bais、Fabio Benedetti、Federico Berti、Iole Cerminara、Sara Drioli、Maria Funicello、Giorgia Regini、Mattia Vidali、Fulvia Felluga

  DOI：10.3390/molecules25184152

  日期：——

  A library of dihydropyrimidinones was synthesized via a “one-pot” three component Biginelli reaction using different aldehydes in combination with β-dicarbonyl compounds and urea. Selected 2-thiooxo and 2-imino analogs were also obtained with the Biginelli reaction from thiourea and guanidine hydrochloride, respectively. The products were screened in vitro for their β-secretase inhibitory activity. The majority of the compounds resulted to be active, with IC50 in the range 100 nM–50 μM.

  通过使用不同的醛与β-二羰基化合物和尿素的“一锅法”三组分Biginelli反应合成了一系列二氢嘧啶酮类化合物。选择性地，也从硫脲和盐酸胍得到了2-硫氧代和2-亚氨基类似物。这些产物在体外被筛选，用于评估它们的β-分泌酶抑制活性。大多数化合物表现出活性，IC50在100 nM至50 μM范围内。
• Organocatalytic Application of Ionic Liquids: [bmim][MeSO4] as a Recyclable Organocatalyst in the Multicomponent Reaction for the Preparation of Dihydropyrimidinones and -thiones
  作者：Asit Chakraborti、Sudipta Roy、Pradeep Jadhavar、Kapileswar Seth、Kulin Sharma

  DOI：10.1055/s-0030-1260067

  日期：2011.7

  substitution in the latter. The ionic liquid can be recovered and reused for five consecutive reactions without significant loss of catalytic efficiency. The applicability of the methodology for large-scale reaction highlights its potential for bulk synthesis. ionic liquid - organocatalyst - multicomponent reaction - dihydropyrimidinone - dihydropyrimidinethione

  已经研究了基于1-丁基-3-甲基咪唑鎓的室温离子液体的有机催化潜力，该反应通过单锅多组分反应（包括醛，β-酮酸酯或β-二酮）合成二氢嘧啶酮和-硫酮，尿素或硫脲在短时间内的收率很高。研究了影响离子液体作为催化剂效率的因素，例如阴离子和咪唑鎓阳离子，特别是后者中C2取代的影响。可以回收离子液体并将其重新用于五个连续的反应，而不会显着降低催化效率。该方法用于大规模反应的适用性突出了其本体合成的潜力。 离子液体-有机催化剂-多组分反应-二氢嘧啶酮-二氢嘧啶硫酮