药物合成反映是化学造药领域的重要环节。绿色化学是当前化学化工领域的钻研热点和前沿。目前有机合成对于科学技术进取和发展起到积极的推作为用,深刻地扭转着社会出产和生涯。从绿色化学角度钻研有机合成利用,索求绿色化学在有机合成中的利用情况,为化学合成产业提供绿色发展的可持续理想。
光化学反映平台
- 近年来可见光催化反映已经成为有机化学中的前沿领域,作为一种壮大的活化幼分子的伎俩而起着不成代替的作用。光化学步骤拥有非侵入性、反映速度快、时空可控蹬着点,宽泛用于资料造备和改性的各个方面。借助于光化学反映的可控与可视的独有优势,可从源头启程,成立性命科学钻研的新伎俩、新步骤、新技术等。只管如此,依然必要不休拓展和发现新的光活化模式来提高反映效能,扩大利用领域。

新利luck18光化学反映平台:
蕴含分歧功率紫表光反映器(254/360nm),30W-1000W;蓝光反映器覆盖360-520nm波长领域;光催化剂:网络有常见金属催化剂和有机催化剂,并凭据文件不休扩充;毫摩级别流体反映器定造中C(sp3)-C(sp2) coupling reactions
Decarboxylative coupling
Proposed mechanistic pathway of nickel-catalyzed photoredox- decarboxylative arylation[1]C-H cross-coupling
Photoredox, HAT, and nickel-catalyzed cross-coupling: proposed mechanistic pathway and catalyst combination[2]C(sp3)-C(sp3) coupling reactions
Decarboxylative coupling
Carboxylic acid and alkyl halide scope in the dual nickel-catalyzed photoredox sp3-sp3 coupling reaction[3]C-H cross-coupling
The scope of the alkyl bromide coupling partner in the light-enabled selective sp3 C-H alkylation[4]Heteroatom arylations
C-N coupling
Metallaphotoredox-catalyzed amination: amine and arene scope[5]C-O coupling
Alcohol and aryl halide scope in the nickel-catalyzed photoredox C-O coupling reaction[6]Other reactions
Ar-X trifluomethylation
Synthesis of trifluoromethyl(hetero)arenes[7]Decarboxylative fluorination
Decarboxylative Fluorination of Aliphatic Carboxylic Acids via Photoredox Catalysis[8]
催化剂筛选平台
- 金属催化剂由于其特殊的催化活性,底物选择性而宽泛利用在合成有机化学中。尤其金属催化的各类偶联反映,能够快捷高效的形成各类碳碳键和碳杂原子键,因而在药物化学的钻研中阐扬着极为关键的作用,也是有机化学极度重要的钻研方向。据统计,杂原子的烷基化/芳基化和碳碳键的形成反映是使用率最高的有机反映前五位之一。然而,由于底物的多样复杂性,金属催化偶联反映的失败率很高,如碳氮偶联的反映失败率在50%以上,由于好多药物分子中的杂环通常是催化剂抑造剂。并且在药物发现阶段,由于项目研发功夫紧迫,通常药物化学家手头能够索求反映的中央体数量有限。催化剂筛选能够美满的解决这个问题。通过靠得住的催化剂平行筛选,我们能够用数十毫克甚至更少量的中央体,在48幼时甚至更短功夫内得到分歧的催化剂,配体,碱,溶剂和温度下的反映了局D芄痪】熳龀龀中钟新废咚髑,或者烧毁该路线合成的决定,而不会浪费太多功夫,最后却以失败而告终。
催化剂筛选流程图

催化剂筛选示意图


催化剂筛选反映类型
Suzuki, Buchwald (C-N/O) 催化剂初筛系统已筹备结束催化剂筛选仪器装置

电化学反映平台
- 发展绿色可再生能源是将来发展的方向,目前在生物质催化转化领域重要使用的还是通常的催化转化步骤,好多反映必要在高温高压下进行,并且好多催化剂和溶剂都有毒性,会对环境带来传染。随着经济社会的不休发展,绿色化学的步骤在化学合成中的利用得到了越来越多的关注。有机电合成被以为是一种环境敦睦的、切合绿色化学要求的有机合成步骤。电化学步骤因拥有易于微型化、高活络度、适合非通明样品、电源功率要求低等凸起优势,出格适合构建微型化分析装置。
电化学定造示意图
Basic Components of an Undivided Electrochemical Cell[9]Synthetic organic electrochemistry applications
Ni-Catalyzed C-N coupling
Nickel-catalyzed amination of aryl halides[10]Ni catalyzed Sp2-Sp3 coupling
Reaction Scope for Electrochemical Cross-Electrophile Couplings[11]C-H Oxidations
Substrate scope of the electrochemical benzylic C–H oxidation reaction[12]Reduction of amide
Plausible reaction mechanism using a Zn anode[13]Heterocycles formation
Formation and cyclization of nitrogen-centered radicals[14]-OCF3, -SCF3, -CF3
Electrochemical Trifluoromethoxylation of (Hetero)aromatics[15]Fluorination
Electrochemical Fluorination of 2,2-Diphenyl-1,3-dithiolane[16]
总结- 绿色化学将是有机合成的主旋律!作为绿色化学的提倡者,新利luck18绿色化学平台由公司资深科研专家携带,安身于绿色化学技术, 将电化学、光化学、金属催化、酶催化及陆续化出产等前沿绿色技术整合到各类化学活性分子及中央体的化学合成路线中,对医药和化工行业现有幼分子化药合成路线进行优化改进,赋能新利luck18化学家和客户,提升研发项主张效能,削减化学合成步骤,提高总体合功效能,降低环境传染,实现环境优化型的可持续合成反映。
参考文件- [1] Zhiwei Zuo,et al. Dual catalysis. Merging photoredox with nickel catalysis: coupling of α-carboxyl sp?-carbons with aryl halides. Science. 2014 Jul 25;345(6195):437-40. doi: 10.1126/science.1255525.[2] Megan H Shaw,et al. Native functionality in triple catalytic cross-coupling: sp? C-H bonds as latent nucleophiles. Science. 2016 Jun 10;352(6291):1304-8. doi: 10.1126/science.aaf6635.[3] Craig P Johnston, et al. Metallaphotoredox-catalysed sp(3)-sp(3) cross-coupling of carboxylic acids with alkyl halides. Nature. 2016 Aug 18;536(7616):322-5. doi: 10.1038/nature19056.[4] Chip Le,et al. Selective sp? C-H alkylation via polarity-match-based cross-coupling. Nature. 2017 Jul 6;547(7661):79-83. doi: 10.1038/nature22813.[5] Emily B Corcoran, et al. Aryl amination using ligand-free Ni(II) salts and photoredox catalysis. Science. 2016 Jul 15;353(6296):279-83. doi: 10.1126/science.aag0209.[6] Jack A Terrett, et al. Switching on elusive organometallic mechanisms with photoredox catalysis. Nature. 2015 Aug 20;524(7565):330-4. doi: 10.1038/nature14875.[7] Chip Le, et al. A radical approach to the copper oxidative addition problem: Trifluoromethylation of bromoarenes. Science. 2018 Jun 1;360(6392):1010-1014. doi: 10.1126/science.aat4133.[8] Sandrine Ventre, et al. Decarboxylative Fluorination of Aliphatic Carboxylic Acids via Photoredox Catalysis. J Am Chem Soc. 2015 May 6;137(17):5654-7. doi: 10.1021/jacs.5b02244.[9]Cian Kingston, et al. A Survival Guide for the "Electro-curious". Acc Chem Res. 2020 Jan 21;53(1):72-83. doi: 10.1021/acs.accounts.9b00539.[10] Chao Li, et al. Electrochemically Enabled, Nickel-Catalyzed Amination. Angew Chem Int Ed Engl. 2017 Oct 9;56(42):13088-13093. doi: 10.1002/anie.201707906.[11] Robert J Perkins, et al. Electrochemical Nickel Catalysis for sp2-sp3 Cross-Electrophile Coupling Reactions of Unactivated Alkyl Halides. doi: 10.1021/acs.orglett.7b01598. Org Lett. 2017 Jul 21;19(14):3755-3758.[12]Jason A Marko, et al. Electrochemical benzylic oxidation of C-H bonds. Chem Commun (Camb). 2019 Jan 17;55(7):937-940. doi: 10.1039/c8cc08768g.[13] Kazuhiro Okamoto, et al. Hydrosilane-Mediated Electrochemical Reduction of Amides. J Org Chem. 2021 Nov 19;86(22):15992-16000. doi: 10.1021/acs.joc.1c00931.[14] Huai-Bo Zhao, et al. Amidinyl Radical Formation through Anodic N-H Bond Cleavage and Its Application in Aromatic C-H Bond Functionalization. Angew Chem Int Ed Engl. 2017 Jan 9;56(2):587-590. doi: 10.1002/anie.201610715.[15] Yao Ouyang, et al. Electrochemical Trifluoromethoxylation of (Hetero)aromatics with a Trifluoromethyl Source and Oxygen. Angew Chem Int Ed Engl. 2022 Jan 17;61(3):e202114048. doi: 10.1002/anie.202114048.[16] Naoki Shida, et al. Alkali Metal Fluorides in Fluorinated Alcohols: Fundamental Properties and Applications to Electrochemical Fluorination. J Org Chem. 2021 Nov 19;86(22):16128-16133. doi: 10.1021/acs.joc.1c00692.










