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1,1-difluoroundec-1-ene

中文名称
——
中文别名
——
英文名称
1,1-difluoroundec-1-ene
英文别名
——
1,1-difluoroundec-1-ene化学式
CAS
——
化学式
C11H20F2
mdl
——
分子量
190.277
InChiKey
IOVIXTZETFEUOX-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    5.7
  • 重原子数:
    13
  • 可旋转键数:
    8
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.82
  • 拓扑面积:
    0
  • 氢给体数:
    0
  • 氢受体数:
    2

反应信息

  • 作为反应物:
    描述:
    triethyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)silane1,1-difluoroundec-1-ene1,3-双(二苯基膦)丙烷 、 ferrous iodide 、 sodium t-butanolate 作用下, 以 四氢呋喃 为溶剂, 反应 12.0h, 以75%的产率得到(E)-triethyl(1-fluoroundec-1-en-1-yl)silane
    参考文献:
    名称:
    铁催化未活化脂肪族宝石-二氟烯烃选择性和可控制的脱氟硅烷化的实验和计算研究
    摘要:
    首次开发了未活化的宝石二氟烯烃的铁催化脱氟甲硅烷基化反应,以极高的效率提供了宝石二甲硅烷基化的烯烃和(E)甲硅烷基化的烯烃。该方案具有良好的官能团相容性以及出色的区域和立体选择性,可实现生物学相关化合物的后期甲硅烷基化,从而为药物化学应用提供了良好的机会。初步的机理研究和DFT计算表明,第二个C-F键的亲核加成和消除可能参与了二甲硅烷基化催化体系,证明了铁催化的异常反应活性。
    DOI:
    10.1002/anie.202100049
  • 作为产物:
    描述:
    参考文献:
    名称:
    使用三氟化溴从烷基卤化物到烷基三氟甲基。
    摘要:
    在适当的条件下,三氟化溴可能是产生新型反应和化合物的有用工具。因此,容易从相应的烷基溴制备的三(甲硫基)烷基衍生物被转化为相应的RCHBrCF2SMe或RCHBrCF3化合物。但是,溴原子很容易还原,最终形成R'CF2SMe或R'CF3。如果需要,溴原子可以用作构建末端二氟烯烃的入口。
    DOI:
    10.1021/jo026128b
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文献信息

  • Pd‐Catalyzed Selective Carbonylation of <i>gem</i> ‐Difluoroalkenes: A Practical Synthesis of Difluoromethylated Esters
    作者:Jiawang Liu、Ji Yang、Francesco Ferretti、Ralf Jackstell、Matthias Beller
    DOI:10.1002/anie.201813801
    日期:2019.3.26
    described. This novel catalytic transformation proceeds in the presence of Pd(acac)2/1,2‐bis((di‐tert‐butylphosphan‐yl)methyl)benzene (btbpx) (L4) and allows for an efficient and straightforward access to a range of difluoromethylated esters in high yields and regioselectivities. The synthetic utility of the protocol is showcased in the practical synthesis of a Cyclandelate analogue using this methodology
    描述了宝石二烯烃烷氧基羰基化的第一种催化剂。在Pd(acac)2 / 1,2-双((二叔丁基膦基)甲基)苯(btbpx)(L4)的存在下进行这种新颖的催化转化过程,可以有效而直接地获得一系列二甲基化酯的高收率和区域选择性。使用该方法学作为关键步骤,在环戊酸酯类似物的实际合成中展示了该协议的综合用途。
  • Design and Synthesis of TY‐Phos and Application in Palladium‐Catalyzed Enantioselective Fluoroarylation of <i>gem</i> ‐Difluoroalkenes
    作者:Tao‐Yan Lin、Zhangjin Pan、Youshao Tu、Shuai Zhu、Hai‐Hong Wu、Yu Liu、Zhiming Li、Junliang Zhang
    DOI:10.1002/anie.202008262
    日期:2020.12.14
    highly enantioselective fluoroarylation of gemdifluoroalkenes with aryl halides is presented by using a new chiral sulfinamide phosphine (Sadphos) type ligand TYPhos. N‐Me‐TYPhos can be easily synthesized on a gram scale from readily available starting materials in three steps. Salient features of this work including readily available starting materials, good yields, high enantioselectivities as well
    通过使用新的手性亚磺酰胺膦(Sadphos)型配体TY-Phos,提出了使用芳基卤化物进行对二烯烃高对映选择性芳基化反应的第一个例子。N-Me- TY-Phos可以很容易地从克制的原料中分三步以克为单位合成。这项工作的显着特点包括容易获得的起始原料,良好的收率,高对映选择性以及广泛的底物范围,使这种方法非常实用和有吸引力。值得注意的是,还报道了生物活性分子类似物的不对称合成。
  • gem-Difluorovinyl Derivatives as Insecticides and Acaricides
    作者:Thomas Pitterna、Manfred Böger、Peter Maienfisch
    DOI:10.2533/000942904777678163
    日期:——

    The insecticidal lead 1,1-difluorododec-1-ene was optimised. This compound has attractive insecticidal activity against tobacco budworm (Heliothis virescens), banded cucumber beetle (Diabrotica balteata), pea aphid (Aphis cracciovora), brown planthopper (Nilaparvata lugens), and green rice leafhopper (Nephotettix cincticeps). Among different pharmacophore analogues, only 1,1-dichlorododec-1-ene and 1,1-difluoro-2-iodododec-1-ene showed weak insecticidal activity, whereas similar compounds such as 1-chloro-1-fluorododec-1-ene, 1-fluorododec-1-ene, and 1,1-difluoro-2-bromododec-1-ene were inactive. Only bridge analogues with even-numbered carbon chains were active, for example 1,1-difluorodec-1-ene and 1,1-difluorotetradec-1-ene. Odd-numbered analogues such as 1,1-difluoronon-1-ene, 1,1-difluoroundec-1-ene, 1,1-difluorotridec-1-ene, and 1,1-difluoro-pentadec-1-ene showed no activity. Modification of the tail group led to the analogues 12,12-difluorododec-11-enoic acid and its methyl ester, 12,12-difluorododec-11-en-1-ol, 1,1-difluoro-12-methoxydodec-1-ene, and 12,12-difluorododec-11-enylamine, all of which showed insecticidal activity. 12,12-difluorododec-11-enoic acid methyl ester, 12,12-difluorododec-11-enoic acid, and 12,12-difluorododec-11-en-1-ol were also active against spider mites (Tetranychus ssp). Thus, in a first optimisation cycle, broad activity against insect pests and mites was discovered. Two requirements, the gem-difluorovinyl pharmacophore and an even-numbered carbon chain, were found to be essential for activity. This latter requirement is in line with the proposed mode of action, which involves inhibition of the ? -oxidation of fatty acids in insect mitochondria. In a second optimisation cycle, it was found that 6,6-difluorohex-5-enoic acid and its derivatives, such as acids, amides, and hydrazides, possess even superior properties as insecticides and acaricides. This led to the discovery of 6,6-difluorohex-5-enoic acid 2-[4-(4-trifluoromethylbenzyloxy)-phenoxy]-ethyl ester (CGA 304'111). This compound showed excellent performance in field trials against a wide range of pests, as well as a more favourable toxicological profile than earlier derivatives. For a largescale synthesis of CGA 304'111, five different synthetic routes for 6,6-difluorohex-5-enoic acid were developed. The best route involved radical addition of CBrClF2 to pent-4-enoic acid. Removal of bromine by hydrogenation, elimination of chloride and hydrolysis of the ester concluded this most efficient sequence. Thus, a practical synthesis for CGA 304'111 was identified, which allowed the preparation of samples on a several 100 g scale.

    1,1-二十二烯是一种杀虫剂化合物,具有对烟草夜蛾、条纹黄瓜甲(Diabrotica balteata)、豌豆蚜虫(Aphis cracciovora)、褐飞虱(Nilaparvata lugens)和绿稻叶蝉(Nephotettix cincticeps)等昆虫的吸引力杀虫活性。在不同的药效团类似物中,只有1,1-二十二烯和1,1-二-2-十二烯表现出微弱的杀虫活性,而类似化合物如1--1-十二烯、1-十二烯和1,1-二-2-十二烯则无活性。只有具有偶数碳链的桥接类似物才具有活性,例如1,1-二十烯和1,1-二十四烯。奇数碳链的类似物如1,1-二壬-1-烯、1,1-二十一-烯、1,1-二十三-烯和1,1-二十五-烯均没有活性。修改尾基导致类似物12,12-二十二-11-烯酸及其甲酯、12,12-二十二-11-烯-1-醇、1,1-二-12-甲氧基十二烯和12,12-二十二-11-烯基胺,均表现出杀虫活性。12,12-二十二-11-烯酸甲酯、12,12-二十二-11-烯酸和12,12-二十二-11-烯-1-醇也对蜘蛛螨(Tetranychus ssp)具有活性。因此,在第一个优化周期中,发现了对昆虫害虫和螨类广泛活性。两个要求,即gem-二乙烯药效团和偶数碳链,被发现是活性所必需的。后一个要求符合所提出的作用模式,涉及对昆虫线粒体中脂肪酸的β-氧化的抑制。在第二个优化周期中,发现6,6-二氟己-5-烯酸及其衍生物,如酸、酰胺和,具有更优越的杀虫剂杀螨剂性能。这导致了6,6-二氟己-5-烯酸2-[4-(4-三甲基苄氧基)-苯氧基]-乙酯(CGA 304'111)的发现。这种化合物在田间试验中表现出对多种害虫的优异性能,且毒理学特性比早期衍生物更有利。为了大规模合成CGA 304'111,开发了六种不同的6,6-二氟己-5-烯酸合成路线。最佳路线涉及对戊-4-烯酸进行自由基加成反应。通过氢化去除,消除解酯结束了这个最有效的序列。因此,确定了CGA 304'111的实用合成方法,可以在数百克的规模上制备样品。
  • Synthesis of <i>gem</i>-Difluoroalkenes by Copper-catalyzed Regioselective Hydrodefluorination of 1-Trifluoromethylalkenes
    作者:Yuki Kojima、Tatsuaki Takata、Koji Hirano、Masahiro Miura
    DOI:10.1246/cl.200163
    日期:2020.6.5
    A copper-catalyzed regioselective hydrodefluorination of 1-trifluoromethylalkenes with hydrosilanes has been developed. The copper catalysis is compatible with several functional groups, including ...
    已开发出催化的 1-三甲基烯烃与氢硅烷的区域选择性加氢脱反应。催化与多种官能团相容,包括...
  • Iron-Catalyzed Diborylation of Unactivated Aliphatic <i>gem</i>-Dihalogenoalkenes: Synthesis of 1,2-Bis(boryl)alkanes
    作者:Shangsheng Zhou、Yu Pu、Zhengli Liu、Xiaoming Zhang、Jiang Zhu、Zhang Feng
    DOI:10.1021/acs.orglett.1c01967
    日期:2021.7.16
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