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bromure de crotyl magnesium | 36306-56-6

中文名称
——
中文别名
——
英文名称
bromure de crotyl magnesium
英文别名
crotylmagnesium bromide;2-butenylmagnesium bromide;bromure de crotylmagnesium;crotyl magnesium bromide;Crotyl-magnesiumbromid
bromure de crotyl magnesium化学式
CAS
36306-56-6
化学式
C4H7BrMg
mdl
——
分子量
159.309
InChiKey
VRFWDUNODFEOKU-CZEFNJPISA-M
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):
    1.99
  • 重原子数:
    6.0
  • 可旋转键数:
    2.0
  • 环数:
    0.0
  • sp3杂化的碳原子比例:
    0.5
  • 拓扑面积:
    0.0
  • 氢给体数:
    0.0
  • 氢受体数:
    0.0

SDS

SDS:ba1a26479873a1d3db7b1dac32b9ca2d
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反应信息

  • 作为反应物:
    参考文献:
    名称:
    MLADENOVA M.; BLAGOE B.; GAUDEMAR M.; GAUDEMAR-BARDONE F.; LALLEMAND J. Y+, TETRAHEDRON, 1981, 37, NO 11, 2157-2163
    摘要:
    DOI:
  • 作为产物:
    描述:
    2-丁烯基溴magnesium 作用下, 以 乙醚 为溶剂, 生成 bromure de crotyl magnesium
    参考文献:
    名称:
    Synthesis of the bicyclo[3.2.0] ring systems from 4-allylcyclobutenones. Intramolecular ketene/alkene cycloadditions
    摘要:
    A general synthesis of bicyclo[3.2.0]heptenones from 4-allylcyclobutenones is described. The rearrangement is envisaged to involve an electrocyclic ring opening of the cyclobutenone and subsequent intramolecular 2 + 2 cycloaddition of the resulting vinylketene to the nonconjugated allylic alkene moiety. This method is particularly suitable for the synthesis of highly substituted derivatives since the regiochemistry of the substitution pattern is conveniently controlled. The scope of the rearrangement and the mechanism are discussed.
    DOI:
    10.1021/jo00021a025
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文献信息

  • On the mechanism and synthetic applications of the thermal and alkaline degradation of c-18 castor oil
    作者:S. Ranganathan、Raaj Kumar、V. Maniktala
    DOI:10.1016/s0040-4020(01)99322-6
    日期:1984.1
    c-8 via unique sequence involving a primary reaction which is associated with three different types of redox systems as well as with uncoupled oxidation, the overall change amounting to a milieu of hydride transfer, π -migration, retro-Michael, retro-aldol, Meerwein-Pondorff-Verley as well as Cannizzaro type of reactions. These findings which constitute the core of the present work, are of significance
    由π蓖麻油片段的C-18骨架,热至C-11 + C-7 2 S +π 2 S +Ò 2s过程,并通过独特的顺序将热碱转化为c-10 + c-8,该过程涉及与三种不同类型的氧化还原系统以及未偶联的氧化有关的主要反应,总体变化相当于氢化物转移的环境π -迁移,迈克·怀特(Michael),怀特·阿尔多(Retro-aldol),Meerwein-Pondorff-Verley以及Cannizzaro型反应。这些发现构成了本研究的核心,不仅对于了解蓖麻油的两个最重要的反应具有重要意义,而且在利用这些知识来引导和优化所需产品方面也具有重要意义。此外,它们为机械有机化学增加了一个独特的方面。蓖麻油C-18→C-11 + C-7变化的协调性质的令人信服的证据是,将12-羟基十八烷基9-壬酸甲酯干净地转化为新型有用的烯丙基酯,十一碳烯酸9,10-讨人喜欢。对不同的α-取代的γδ-不饱和醇进行的模型研究表明,π2个S
  • Transposition oxy-cope assistee par le trifluoroacetate mercurique en quantite stoechiometrique et en quantite catalytique
    作者:Norbert Bluthe、Max Malacria、Jacques Gore
    DOI:10.1016/0040-4020(84)85011-5
    日期:1984.1
    Tertiary 1,5-hexadien-3-ols are transformed at room temperature into δ-ethylenic ketones in 35-90%, yields under two sets of conditions: treatment with one molar equivalent of mercuric trifluoroacetate followed by demercuration of the intermediate α-mercuro ketone with sodium borohydride; and treatment with 0.2 molar equivalent of t of lithium trifluoroacetate or trifluorométhansulfonate. The reactions
    在室温下,将1,5-己二烯-3-醇叔化成35-90%的δ-乙烯酮,在两种条件下收率:用一摩尔当量的三氟乙酸处理,然后使中间的α-酮与硼氢化钠;用0.2摩尔当量的三氟乙酸三氟甲磺酸锂处理。反应是高度立体选择性的,酮的E异构体占产物的80-95%。在第二条件下观察到最高的选择性。
  • Additions of organometallics to enethiolizable β-oxodithioesters - potential synthetic uses.
    作者:Serge Masson、André Thuillier
    DOI:10.1016/s0040-4039(00)88354-9
    日期:1982.1
    Enethiolizable β-oxidithioesters allowing the succesive formation of carboncarbon bonds at the carbonyl and at the thiocarbonyl sites, are precursors of α-unsaturated dithioesters and can be used as a3d1 or a3a1 synthons.
    允许在羰基和代羰基位置成功形成碳碳键的可乙氧基化的β-氧化代酯是α-不饱和二代酯的前体,可以用作3 d 1或3 a 1合成子。
  • Métallation et alkylation des thioimidoesters: application en synthèse
    作者:S. Masson、V. Mothes、A. Thuiluer
    DOI:10.1016/s0040-4020(01)91806-x
    日期:1984.1
    Alkylation of delocalized anions resulting from metallation of N-phenyl thioimidoesters (precursors of dithioesters and thiolesters) takes place on nitrogen with “saturated” thioimidoesters (alkane thiomidates). On the contrary, unsaturated thiomidoesters (α or β-ethylenic, α-arylated) are regioselectively alkylated on the α carbon atom by alkyl or allylic halides. The possibilities for synthesis offered
    由N-苯基代亚酰胺基酯(二代酯和代酸酯的前体)的属化导致的离域阴离子的烷基化在氮上与“饱和”代亚基酯(烷氨基甲酸酯)发生。相反,不饱和代亚基酯(α或β-烯键式,α-芳基化)被烷基或烯丙基卤化物在α碳原子上区域选择性烷基化。萜烯化合物lavandulal(和lavandulol)和ar-姜黄烯的合成说明了通过连续使用基酯和二酯官能团的反应性(特别是允许在两个邻位碳上进行两次亲电加成)而提供的合成可能性。
  • Chiral Aminal Templates: Diastereoselective Addition to Hydrazones; An Asymmetric Synthesis of α-Amino Aldehydes
    作者:Alex Alexakis、Nathalie Lensen、Jean-Philippe Tranchier、Pierre Mangeney、J. Feneau-Dupont、J. P. Declercq
    DOI:10.1055/s-1995-4042
    日期:1995.8
    The monohydrazone of glyoxal may be derivatized into a chiral aminal with diamine 7. The resulting chiral reagent 13 reacts with complete diastereocontrol with organolithium reagents in THF. This sterically controlled reaction may be altered to chelation control by using Grignard reagents in toluene, affording the opposite diastereomer in excellent de. The N-N bond of the hydrazine functionality is then cleaved with Raney nickel, assisted by ultrasound. After protection of the resulting primary amino functionality, the aminal is hydrolyzed to afford the desired α-amino aldehydes without epimerization. The same reaction sequence, without cleavage of the N-N bond, affords an α-hydrazino aldehyde.
    乙二醛的单氢可与二胺7衍生化为一个手性胺。所得的手性试剂13在四氢呋喃中与有机锂试剂反应,具有完全的非对映体选择性。通过在甲苯中使用格氏试剂,这一立体控制反应可被改变为螯合控制,从而生成相反的非对映体,并获得优异的对映选择性。接着,利用超声波的辅助下,的N-N键被拉尼裂解。在保护产物中的初级基功能基后,胺被解,生成所需的α-基醛而不发生表异构化。相同的反应序列,如果不裂解N-N键,则会生成α-醛。
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