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2-isopropoxy-1,3,2-dioxaborolane | 70307-81-2

中文名称
——
中文别名
——
英文名称
2-isopropoxy-1,3,2-dioxaborolane
英文别名
2-Isopropyloxy-4,5-dihydro-1,3,2-dioxaborol;2-isopropoxy-[1,3,2]dioxaborolan;2-Propan-2-yloxy-1,3,2-dioxaborolane
2-isopropoxy-1,3,2-dioxaborolane化学式
CAS
70307-81-2
化学式
C5H11BO3
mdl
——
分子量
129.952
InChiKey
PGKDEWRBSYYAGT-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):
    0.44
  • 重原子数:
    9
  • 可旋转键数:
    2
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    1.0
  • 拓扑面积:
    27.7
  • 氢给体数:
    0
  • 氢受体数:
    3

上下游信息

  • 上游原料
    中文名称 英文名称 CAS号 化学式 分子量

反应信息

  • 作为反应物:
    描述:
    2-isopropoxy-1,3,2-dioxaborolane氢化奎宁甲苯 为溶剂, 以97%的产率得到(3R,3aS,5S,6R)-6-ethyl-3-(6-methoxyquinolin-4-yl)hexahydrospiro[5,8-ethano[1,3,2]oxazaborolo[3,4-a]pyridine-1,2'-[1,3,2]dioxaborolan]-8-ium-1-uide
    参考文献:
    名称:
    Synthesis and stability of new spiroaminoborate esters
    摘要:
    New spiroaminoborate esters derived from 1,1-diphenylprolinol, ephedrine, and dihydroquinine with different alkoxy substituents were prepared as stable crystalline compounds and characterized by spectroscopical analysis and specific rotation. The structure of the spiroborate 4 derived from 1,1-diphenylprolinol and dicyclohexyl-1,1'-diol was confirmed by X-ray analysis. (C) 2011 Elsevier Ltd. All rights reserved.
    DOI:
    10.1016/j.tetlet.2011.12.054
  • 作为产物:
    描述:
    乙二醇异丙醇 在 boronic acid 作用下, 以 甲苯 为溶剂, 以94%的产率得到2-isopropoxy-1,3,2-dioxaborolane
    参考文献:
    名称:
    Verfahren zur Herstellung von Pyridin-2-boronsäureestern
    摘要:
    制备化学式为I的2-吡啶硼酸酯的方法,包括以下步骤:将2-卤代吡啶(II)与金属化试剂反应生成有机金属化合物(III)(步骤1),然后将(III)与适当的硼酸酯(IV)反应,生成吡啶硼配合物盐(V)(步骤2),最后将配合物盐(V)与质子源反应,在硼原子上脱去酯基,制备化学式为(I)的2-吡啶硼酸酯。其中,X代表H、Cl、Br、I或F;M代表Li或MgHal(Hal=Cl、Br);R例如代表H、F、Cl、Br、I、C1-C20烷基或烷氧基、C6-C12芳基或杂环芳基、环烷基、氰基、酯基、缩醛基、单硫醚基、双硫醚基或氨基等基团;R1、R2、R3代表独立的C1-C20烷基或烷氧基、环烷基或C6-C12芳基,或两个R1至R3基团共同形成一个环。
    公开号:
    EP1479685A1
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文献信息

  • Convenient Synthesis of Ethenylcyclopropane and Some 2-Cyclopropylcyclopropane Derivatives¹
    作者:Armin de Meijere、Valentin Rassadin、Viktor Sokolov、Alexander Khlebnikov、Nikolay Ulin、Sergei Kozhushkov
    DOI:10.1055/s-0031-1289600
    日期:2012.2
    diazoacetate gave ethyl 2-cyclopropylcyclopropanecarboxylate (cis/trans-9, ratio 1:1.4) in 80% yield. The latter was also prepared in 79% overall yield by sequential cyclopropanation of buta-1,3-diene with ethyl diazoacetate [under Rh2(OAc)4 catalysis] and diiodomethane/diethylzinc/trifluoroacetic acid. Curtius degradation of 2-cyclopropylcyclopropanecarboxylic acid (obtained by hydrolysis of the ester) gave
    由环丙基甲基酮(1)分为四个简单,易于扩展的步骤(溴化,还原为溴代醇,乙酰化,以及用Zn / Cu还原消除)制得乙烯基环丙烷(5),总产率为56%。1-溴-2-环丙基环丙烷(7)(约1:1种混合物的顺式-和反式- 7)制备5经由二溴化物6,并从7硼酸顺/反式- 8(比例1:1)中的溶液得到96%的产率。铑(II)催化的5的环丙烷化 用重氮基乙酸乙酯,得到2- cyclopropylcyclopropanecarboxylate(顺式/反式- 9在80%的产率:1.4,比1)。后者也可以通过用重氮乙酸乙酯(在Rh 2(OAc)4催化下)和二碘甲烷/二乙基锌/三氟乙酸进行顺丁烯-1,3-二烯的连续环丙烷化制得,总收率为79%。将2-环丙基环丙烷羧酸进行曲度降解(通过酯水解获得),以58%的收率得到2-环丙基环丙胺(顺式和反式异构体的1:1.2混合物)。 溴化-还原-消除-烯烃-环丙烷化-小环
  • Enantioselective Reduction of Ketones and Synthesis of 2-Methyl-2,3-dihydro-1-benzofuran Catalyzed by Chiral Spiroborate Ester
    作者:H. S. Patil、M. D. Nikalje、A. U. Chopade、M. U. Chopade
    DOI:10.1134/s1070428021040163
    日期:2021.4
    achieved through the use of chiral spiroborate ester catalyst. The catalyst is applicable for both analytical and industrial purposes since it is not sensitive to air and moisture. A rapid synthetic route has been developed for the preparation of (S)-2-methyl-2,3-dihydro-1-benzofuran via enantioselective reduction of homobenzylic ketone in the presence of a chiral spiroborate catalyst as the key step.
    摘要 通过使用手性螺硼酸酯催化剂可实现不对称还原高苄基酮。该催化剂对空气和湿气不敏感,因此可用于分析和工业目的。已经开发了一种快速合成路线,用于在手性螺硼酸酯催化剂存在下通过对映体选择性还原高苄基酮来制备(S)-2-甲基-2,3-二氢-1-苯并呋喃。
  • Synthesis of Spiroborate Esters from 1,2-Aminoalcohols, Ethylene Glycol and Triisopropyl Borate: Preparation of (<i>S</i>)-1-(1,3,2-Dioxaborolan-2-yloxy)-3-Methyl-1,1-Diphenylbutan-2-Amine
    作者:Viatcheslav Stepanenko、Kun Huang、Margarita Ortiz-Marciales
    DOI:10.1002/0471264229.os087.04
    日期:2010.12.17
  • Kuznetsov, Russian Journal of General Chemistry, 2000, vol. 70, # 10, p. 1576 - 1580
    作者:Kuznetsov
    DOI:——
    日期:——
  • Synthesis and stability of new spiroaminoborate esters
    作者:Viatcheslav Stepanenko、Melvin de Jesús、Carmelo Garcia、Charles L. Barnes、Margarita Ortiz-Marciales
    DOI:10.1016/j.tetlet.2011.12.054
    日期:2012.2
    New spiroaminoborate esters derived from 1,1-diphenylprolinol, ephedrine, and dihydroquinine with different alkoxy substituents were prepared as stable crystalline compounds and characterized by spectroscopical analysis and specific rotation. The structure of the spiroborate 4 derived from 1,1-diphenylprolinol and dicyclohexyl-1,1'-diol was confirmed by X-ray analysis. (C) 2011 Elsevier Ltd. All rights reserved.
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同类化合物

频那醇硼烷 联硼酸频那醇酯 硼酸频哪醇酯 硼酸环乙醇频哪醇酯 异丙醇频哪醇硼酸酯 双(N,N,N',N'-四甲基-L-酒石酰胺乙二醇基)二硼 双(N,N,N,N-四甲基-D-酒石酰胺二醇酸根)二硼 乙氧基硼酸频哪醇酯 N,N-二甲基-2-[(4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷-2-基)氧基]乙胺 4,4,5,5-四甲基-1,3,2-二氧杂硼环戊烷-2-基硼酸 4,4',5,5'-四甲基-2,2'-联-1,3,2-二氧硼杂环戊烷 2-羟基-4-十四烷基-1,3,2-二氧硼戊环 2-甲氧基-4,4,5,5-四甲基-1,3,2-二氧硼戊环 2-(甲基氨基)苯基硼酸频哪醇酯 2,2'-[乙烯二(氧基)]二[1,3,2-二氧硼戊环] 1,3,2-二噁硼戊环,2-(1-环戊烯-1-氧基)- 2-(4-tert-butyl-cyclohex-1-enyl)-4,4,5,5-tetramethy-[1,3,2]dioxaborolane 2-(but-3-en-1-yloxy)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 4,8-dimethyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3,6,2-dioxazaborocane 4-Hydroxymethyl-[1,3,2]dioxaborolan-2-OL 4-(Sulfanylmethyl)-1,3,2-dioxaborolan-2-ol 2-Methoxy-1,3,2-dioxaborolan Ethylen-cyclohexyl-borat isopropenyl pinacol boronic ester dihydroxy-{ethane-1.2-diolato(2-)-O,O'}-borate(1-) bis-(ethane-1,2-diol) borate 4,4,5,5-tetramethyl-2-<(E)-1-methyl-1-propenyloxy>-1,3,2-dioxaborolane 4,5,5-Triaethyl-2-chlormethyl-4-bora-1,3-dioxolan 2-methoxy-1,4-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,4-dihydropyrazine 4,4,4',4',5,5'-Hexamethyl-2,2'-bi-1,3,2-dioxaborolane ([1,3,2]-dioxaborolan-2-yl)tert-butyldimethylsiloxane Bis(N,N,N',N'-tetramethyl-D-tartaramide glycolato)diboron 2-methylaminoethoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(2'-methylaminoethoxy)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-Chlor-4-methyl-1,3,2-dioxaborolan Borsaeure-aethylester-aethylenester N-[1,3,2]dioxaborolan-2-yl-2,2,2-trifluoro-N-methyl-acetamide 2,6-dimethyl-1,4-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,4-dihydropyrazine (η1-CO2C4H7)B(OCMe2CMe2O) 2-((allylsulfinyl)oxy)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 9-Methyl-1,4,6-trioxa-9-azonia-5-boranuidaspiro[4.4]nonane 2-Fluoro-4-methyl-1,3,2-dioxaborolane 2-Fluoro-1,3,2-dioxaborolane 2-cyano-1,4-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,4-dihydropyrazine 2-[(But-2-en-2-yl)oxy]-1,3,2-dioxaborolane 2-{2-[(1,3,2-Dioxaborolan-2-yl)oxy]ethoxy}ethan-1-ol 2,2'-[Butane-1,4-diylbis(oxy)]bis(1,3,2-dioxaborolane) (4R)-4-Carboxy-1,3,2-dioxaborolan-2-yl [1,3,2]dioxaborolane 2,2'-oxy-bis-[1,3,2]dioxaborolane