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重铬酸 | 13530-68-2

中文名称
重铬酸
中文别名
——
英文名称
dichromic acid
英文别名
hydroxy-(hydroxy(dioxo)chromio)oxy-dioxochromium
重铬酸化学式
CAS
13530-68-2
化学式
Cr2H2O7
mdl
——
分子量
218.004
InChiKey
CMMUKUYEPRGBFB-UHFFFAOYSA-L
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):
    -1.66
  • 重原子数:
    9
  • 可旋转键数:
    2
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.0
  • 拓扑面积:
    118
  • 氢给体数:
    2
  • 氢受体数:
    7

安全信息

  • 海关编码:
    2915900090

SDS

SDS:9109232eb09e93819ddae23e60fa5c8a
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反应信息

  • 作为反应物:
    描述:
    重铬酸 作用下, 以 为溶剂, 生成 铬酸
    参考文献:
    名称:
    Bhagwat, W. V.; Dhar, N. R., Journal of the Indian Chemical Society, 1930, vol. 7, p. 913 - 921
    摘要:
    DOI:
  • 作为产物:
    描述:
    chromium(III) sulfate硫酸 为溶剂, 生成 重铬酸
    参考文献:
    名称:
    Avdeeva, E. S.; Yakimchuk, I. G.; Ryazanov, A. I., Journal of applied chemistry of the USSR, 1981, vol. 54, p. 740 - 741
    摘要:
    DOI:
  • 作为试剂:
    描述:
    ethyl 3-hydroxy-3-(4-chlorophenyl)propanoate 在 Ru(II)-(S)-(-)-BINAP sodium tetrahydroborate 、 氢气重铬酸 、 nickel dichloride 作用下, 以 吡啶甲醇乙醚乙醇N,N-二甲基甲酰胺 为溶剂, -20.0~100.0 ℃ 、5.52 MPa 条件下, 反应 203.5h, 生成 R(+)-巴氯芬盐酸盐
    参考文献:
    名称:
    通过Ru(II)-BINAP催化的不对称加氢合成(R)-(-)-baclofen的对映选择性
    摘要:
    已经描述了一种短而有效的对映选择性合成(R)-(-)-baclofen(一种选择性的GABA B激动剂)的方法,其总收率为ee的26%和90%。Ru(II)–(S)-BINAP催化CC和CO基团的不对称氢化反应是将立体异构中心引入分子的关键步骤。
    DOI:
    10.1016/s0957-4166(03)00024-7
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文献信息

  • Non-nucleoside reverse transcriptase inhibitors
    申请人:——
    公开号:US20020128301A1
    公开(公告)日:2002-09-12
    Non-nucleoside reverse transcriptase inhibitors of formula (P-1) wherein: Ar1 is an unsaturated, optionally substituted, mono or bicyclic ring structure comprising 0 to 3 hetero atoms selected from S, O and N; Ar2 is an aromatic, optionally substituted, monocyclic ring structure comprising at least one nitrogen hetero atom and zero to two further hetero atoms selected from S, O and N; R4 and R5 are independently H or C 3 -C 8 cycloalkyl, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 5 alkoxy, C 1 -C 4 alkanoyloxy, C 1 -C 4 alkylthio, amino, carboxy, carbamoyl, cyano, halo, hydroxy, aminomethyl, hydroxymethyl, carboxymethyl, or halo substituted C 1 -C 6 alkyl mercapto, nitro; or R4 and RS join to form a 3-6 membered, optionally substituted ring structure; R6 is 0 or S; Rx is the residue of a natural or unnatural amino acid; and L* is a linker moiety which is ether-, carbonate- or ester-bound to the adjacent oxygen and ester linked to Rx; and pharmaceutically acceptable salts thereof are anti-HIV agents with favourable pharmacokinetic properties.
    非核苷类逆转录酶抑制剂的化学式(P-1),其中:Ar1是一种不饱和的、可选择取代的、单环或双环结构,包括0至3个来自S、O和N的杂原子;Ar2是一种芳香的、可选择取代的、单环结构,包括至少一个氮杂原子和0至2个来自S、O和N的进一步杂原子;R4和R5独立地是H或C3-C8环烷基、C1-C6烷基、C2-C6烯基、C2-C6炔基、C1-C5烷氧基、C1-C4烷酰氧基、C1-C4烷基硫氧基、氨基、羧基、氨基甲酰基、氢氰基、卤素基、羟基、氨甲基、羟甲基、羧甲基或卤素取代的C1-C6烷基巯基、硝基;或者R4和RS结合形成一个3-6成员的、可选择取代的环结构;R6是0或S;Rx是天然或非天然氨基酸的残基;L*是与相邻氧原子以醚键、碳酸酯键或酯键相连的连接基团,与Rx酯键相连;以及其药学上可接受的盐是具有良好药代动力学性质的抗HIV药物。
  • Piperazine compounds and medicinal use thereof
    申请人:Mitsubishi Pharma Corporation
    公开号:US06455528B1
    公开(公告)日:2002-09-24
    The present invention relates to a piperazine compound of the formula wherein R1 and R2 are each hydrogen, halogen, lower alkyl, lower alkoxy, amino, substituted amino, nitro, hydroxy or cyano, R3, R4 and R5 are each hydrogen, halogen, lower alkyl, lower alkoxy, nitro, amino, substituted amino or hydroxy, R6 and R7 are each hydrogen, lower alkyl, lower alkyl substituted by halogen, aralkyl, acyl or lower acyl substituted by halogen, R8 and R9 are each hydrogen or lower alkyl, Y is lower alkylene and the like, and ring A is phenyl, pyrimidyl, thiazolyl, pyridyl, pyrazyl or imidazolyl, a pharmaceutically acceptable salt thereof and pharmaceutical agents containing these compounds. The compound of the present invention has superior TNF-&agr; production inhibitory effect and/or IL-10 production promoting effect, and, since it is free of or shows only strikingly reduced expression of an effect on the central nervous system, the compound is useful as a highly safe and superior TNF-&agr; production inhibitor an/or IL-10 production promoter and is useful as an agent for the prophylaxis or treatment of various diseases caused by abnormal TNF-&agr; production, diseases curable with IL-10, such as chronic inflammatory diseases, acute inflammatory diseases, inflammatory diseases due to infection, autoimmune diseases, allergic diseases, and TNF-&agr; mediated diseases.
    本发明涉及一种哌嗪化合物,其化学式为 其中R1和R2分别为氢、卤素、低烷基、低烷氧基、氨基、取代氨基、硝基、羟基或氰基,R3、R4和R5分别为氢、卤素、低烷基、低烷氧基、硝基、氨基、取代氨基或羟基,R6和R7分别为氢、低烷基、受卤素取代的低烷基、芳基烷基、酰基或受卤素取代的低酰基,R8和R9分别为氢或低烷基,Y为低烷基烯基等,环A为苯基、嘧啶基、噻唑基、吡啶基、吡啉基或咪唑基,其药学上可接受的盐及含有这些化合物的药物制剂。本发明的化合物具有优越的TNF-α产生抑制作用和/或IL-10产生促进作用,由于它不含或仅显示对中枢神经系统有显著减少的作用,该化合物可用作高度安全和优越的TNF-α产生抑制剂和/或IL-10产生促进剂,并可用作预防或治疗由异常TNF-α产生引起的各种疾病的药剂,例如可用于治疗可通过IL-10治愈的慢性炎症性疾病、急性炎症性疾病、感染引起的炎症性疾病、自身免疫疾病、过敏性疾病和TNF-α介导的疾病。
  • Synthesis of 1,2,3,4-tetrahydro-4-oxo-[or oxy-]-1-naphthylureas as novel
    申请人:American Cyanamid Company
    公开号:US04089976A1
    公开(公告)日:1978-05-16
    This invention relates to novel 1,2,3,4-tetrahydro-4-oxo-[-oxy-]-1-naphthylurea compounds and their derivatives. This invention also relates to method for the preparation of said compounds. This invention further relates to methods for the use of said tetrahydro-4-oxo-[oxy-]-1-naphthylurea compounds as animal growth regulators.
    这项发明涉及新型1,2,3,4-四氢-4-氧基-[-氧基-]-1-萘基脲化合物及其衍生物。该发明还涉及所述化合物的制备方法。此外,该发明还涉及将所述四氢-4-氧基-[氧基-]-1-萘基脲化合物用作动物生长调节剂的方法。
  • Two stage process for preparing 2,6-pyridin-dicarboxylic acid
    申请人:Luigi Stoppani S.p.A.
    公开号:US04237301A1
    公开(公告)日:1980-12-02
    This invention relates to a two stage process for preparing 2,6-pyridin-dicarboxylic acid or dipicolinic acid from 2,6-dimethyl-pyridine through oxidation of the latter in an acid environment with hexavalent chromium salts and formation of a molar addition compound between dicarboxylic acid, being formed by oxidation, and chromic anhydride in the first stage, and subsequent hot hydrolysis of the addition product so obtained, thus isolating 2,6-pyridin-dicarboxylic acid therefrom in the second stage. The invention also comprises the above mentioned intermediate complex addition compound and the 2,6-pyridin-dicarboxylic acid of high purity, obtained by the process according to said invention.
    本发明涉及一种两阶段过程,用于从2,6-二甲基吡啶通过在酸性环境中使用六价铬盐氧化后者,以及在第一阶段形成二羧酸与铬酐之间的摩尔加成化合物,然后对所获得的加成产物进行热水解,从而在第二阶段从中分离出2,6-吡啶二甲酸或二吡啶酸。本发明还包括上述中间复杂加成化合物以及通过根据本发明获得的高纯度2,6-吡啶二甲酸。
  • Pyrrolidine modulators of chemokine receptor activity
    申请人:Merck & Co., Inc.
    公开号:US06248755B1
    公开(公告)日:2001-06-19
    The present invention is directed to pyrrolidine compounds of the formula I: (wherein R1, R2, R3, R4, R5, R6, R14 and n are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compounds are useful as modulators of the chemokine receptors CCR-5 and/or CCR-3.
    本发明涉及式I的吡咯烷化合物: (其中R1,R2,R3,R4,R5,R6,R14和n的定义如本文中)这些化合物可用作调节化学趋化因子受体活性的调节剂。特别是,这些化合物可用作调节CCR-5和/或CCR-3的化学趋化因子受体的调节剂。
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