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Diethylmethoxyborane 二乙氧基甲硼烷

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Diethylmethoxyborane 二乙氧基甲硼烷

CAS № 7397-46-8 CAS编号 7397-46-8
EC № 425-380-9 EC编号 425-380-9
Chemical formula: (C2H5)2BOCH3 化学式:(C2H5)2BOCH3
Mol weight: 99.97 分子量:99.97
Synonym: Methoxydiethylborane, Methyldiethylborinate, MDEB, DEMB同义词:甲氧基二乙硼烷、硼酸甲基二乙酯、MDEB、DEMB

Physical properties: 物理性质:

Colourless or yellowish transparent pyrophoric liquid.无色或淡黄色透明的自燃液体。
Flash point: –9 °C. 闪点:–9 °C。
Density: 0.761 kg/l. 密度:0.761千克/升。

Application: 应用:

  1. In pharmaceutical synthesis of antibiotics for diastereoselective reduction of hydroxyketones to syn 1,3-diols.在用于将羟基酮非对映选择性还原为顺式1,3 - 二醇的抗生素的药物合成中。

  2. In fine organic synthesis to get boronic acid ether from organolithium agents.在精细有机合成中,由有机锂试剂制备硼酸醚。

  3. Reduce b,d-diketo esters to b,d-dihydroxy esters without reduction of a conjugated olefinic double bond.在不还原共轭烯属双键的情况下,将β,δ-二酮酯还原为β,δ-二羟基酯。

  4. Production of Diethyl(3-pyridyl)borane – a reagent for Suzuki coupling reaction, palladium-catalyzed amination reactions, intramolecular Heck reactions, etc.二乙基(3-吡啶基)硼烷的制备——一种用于铃木偶联反应、钯催化胺化反应、分子内赫克反应等的试剂。

  5. Used in conjunction with sodium borohydride in the diastereoselective reduction of β-hydroxyketones. This method is used in the synthesis of statins.与硼氢化钠联用,用于β-羟基酮的非对映选择性还原。该方法用于他汀类药物的合成。

  6. Reduction of β,δ-diketoesters to β,δ-dihydroxyesters without recovery of a conjugated olefinic double bond.β,δ-二酮酸酯还原为β,δ-二羟基酸酯,且未恢复共轭烯属双键。

SDS 安全数据表

Specification: 规格:

Appearance 外观Colourless or yellowish transparent liquid无色或微黄色透明液体
Purity 纯度98.0 % min 98.0 % 最低限度
Content of dimethoxyethylborane 二甲氧基乙基硼烷含量Not more than 0.5 % 不超过0.5%
Content of trimethoxyboranev 三甲氧基硼烷含量Not more than 0.5 % 不超过0.5%