diethylmethoxyborane

• 分子结构分类: 有机化合物 - 有机盐 - 有机金属盐
• 英文名称: diethylmethoxyborane
• 英文别名: Et2BOMe；diethyl-methoxyborane；diethylmethoxy borane
• 化学式: C₅H₁₃BO
• 分子量: 99.9686
• InChiKey: SQFQTCOGRDFGAC-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.74
• 重原子数：
  7.0
• 可旋转键数：
  3.0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  9.23
• 氢给体数：
  0.0
• 氢受体数：
  1.0

反应信息

• 作为反应物：
  描述：

  diethylmethoxyborane 、 tert-butyl 6-cyano-5-hydroxy-3-oxohexanoate 在 sodium hydroxide 、 sodium borohydrid 、 三乙基硼 、 溶剂黄146 作用下， 以 四氢呋喃 、 甲醇 、 水 、 乙酸乙酯 为溶剂， 生成 R-(R*,R*)-1,1-dimethylethyl 6-cyano-3,5-dihydroxyhexanoate
  参考文献：
  名称：

  Process for the synthesis of 1,3-diols

  摘要：

  描述了一种改进的制备顺式-1,3-二醇的过程，其中将β-羟基酮与三烷基硼烷或二烷氧硼烷或三烷基硼烷和二烷氧硼烷的混合物反应，然后回收和重复使用烷基硼烷物种，将额外的β-羟基酮转化为顺式-1,3-二醇。

  公开号：

  US06433213B1
• 作为试剂：
  描述：

  兰地洛尔杂质8 、 (S)-2-((2-氟苯氧基)甲基)环氧乙烷 在 ytterbium(III) triflate diethylmethoxyborane 、 N,N-二异丙基乙胺 作用下， 以 异丙醇 为溶剂， 反应 6.0h， 以40%的产率得到(S)-N-(2-(3-(2-fluorophenoxy)-2-hydroxypropylamino)-ethyl)morpholine-4-carboxamide
  参考文献：
  名称：

  WO2008/83054

  摘要：

  公开号：

文献信息

• Methods of producing carboxylic acid ester derivatives and intermediates
  申请人：Fujirebio Inc.

  公开号：US05481009A1

  公开（公告）日：1996-01-02

  Methods of producing carboxylic acid ester derivatives of formulae (I) and (II), which are useful, for instance, as intermediates for producing an anti-hypercholesterolemic agent having an inhibitory effect on HMG-CoA Reductase: ##STR1## wherein R.sup.1 and R.sup.2 are independently a protective group for hydroxyl group, or R.sup.1 and R.sup.2 integrally constitute a protective group for hydroxyl groups; R.sup.3 is an alkyl group, or an aryl group; and R.sup.4 is a substituted aryl group, a substituted heterocyclic group, a substituted vinyl group, or a substituted cycloalkenyl group; and ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are respectively the same as defined in the above formula (I), are disclosed. In addition, intermediates for use in these methods of producing the carboxylic acid ester derivatives are disclosed.

  生产具有以下式(I)和(II)的羧酸酯衍生物的方法，例如，作为生产对HMG-CoA还原酶具有抑制作用的抗高胆固醇药物的中间体：##STR1## 其中R.sup.1和R.sup.2分别是羟基的保护基，或者R.sup.1和R.sup.2整体构成羟基的保护基；R.sup.3是烷基，或芳基；R.sup.4是取代芳基，取代杂环基，取代乙烯基，或取代环烯基；和##STR2## 其中R.sup.1，R.sup.2，R.sup.3和R.sup.4分别与上述式(I)中定义的相同，被揭示。此外，还揭示了用于这些生产羧酸酯衍生物的方法的中间体。
• Indole derivatives as 5-HT.sub.1 -like agonists
  申请人：Pfizer Inc.

  公开号：US05502065A1

  公开（公告）日：1996-03-26

  The present invention provides compounds of the formula: ##STR1## and pharmaceutically acceptable salts thereof.

  本发明提供了以下式的化合物：##STR1##及其药学上可接受的盐。
• 4-fluorobiphenyl derivatives
  申请人：Fujirebio Inc.

  公开号：US05523460A1

  公开（公告）日：1996-06-04

  A 4-fluorobiphenyl derivative of formula (I), which is useful as a cholesterol lowering agent or a lipid lowering agent because of its strong inhibitory effect on HMG-CoA reductase), and which is also useful as an intermediate for producing the above-mentioned cholesterol lowering agent or lipid lowering agent: ##STR1## wherein A is a .omega.-oxycarbonyldihydroxybutyl group, a tetrahydropyranyl group, a .omega.-oxycarbonyl-3-oxobutyl group, a formyl group, or a cyano group; R.sup.1 is a halogen atom, an alkyl group, or a group represented by R.sup.5 O--, wherein R.sup.5 is a hydrogen atom, or an alkyl group; R.sup.2 is a hydrogen atom, an alkyl group; R.sup.3 is a hydrogen atom, or an alkyl group; R.sup.5 and R.sup.2 may form a five-membered ring or a six-membered ring in combination with the oxygen atoms to which R.sup.5 and R.sup.2 are respectively bonded, and R.sup.5 and R.sup.3 may form a five-membered ring or a six-membered ring in combination with the oxygen atom to which R.sup.5 is bonded.

  一种具有化学式（I）的4-氟联苯衍生物，由于其对HMG-CoA还原酶具有强烈的抑制作用，可用作降胆固醇剂或降脂剂，并且还可用作生产上述降胆固醇剂或降脂剂的中间体：##STR1## 其中A是ω-氧羰基二羟基丁基基团、四氢吡喃基团、ω-氧羰基-3-氧代丁基基团、甲酰基团或氰基；R1是卤素原子、烷基基团或由R5 O--表示的基团，其中R5是氢原子或烷基基团；R2是氢原子或烷基基团；R3是氢原子或烷基基团；R5和R2可以分别与它们相结合的氧原子形成五元环或六元环，R5和R3可以与R5结合的氧原子形成五元环或六元环。
• Heptanoate derivatives
  申请人：FUJIREBIO Inc.

  公开号：EP0633242A1

  公开（公告）日：1995-01-11

  A heptanoate derivative of formula (I): wherein R¹ and R² are independently a hydrogen atom or a protective group for hydroxyl group, or R¹ and R² integrally constitute a protective group for hydroxyl groups; and R³ is a hydrogen atom, an alkyl group, or an aromatic hydrocarbon group.

  公式（I）的庚酸酯衍生物：其中R¹和R²分别是氢原子或羟基的保护基，或R¹和R²整体构成羟基的保护基；而R³是氢原子，烷基或芳香族碳氢基团。
• Optically active esters of 7-substituted 3,5-difunctionalized
  申请人：Sagami Chemical Research Center

  公开号：US05276154A1

  公开（公告）日：1994-01-04

  The present invention provides optically active esters of 7-substituted 3,5-difunctionalized 6-heptenoic acids represented by the following formula: ##STR1## wherein R is a substituted or unsubstituted aromatic group, a substituted or unsubstituted heteroaromatic group or a substituted vinyl group; Ar is a condensed aromatic group; X.sup.1 and Y.sup.1 are not the same and each is a hydrogen atom or a hydroxyl group, or may be combined to represent an oxygen atom which forms a carbonyl group together with the carbon atom to which X.sup.1 and Y.sup.1 are attached; and X.sup.2 and Y.sup.2 are not the same and each is a hydrogen atom or a hydroxyl group, or may be combined to represent an oxygen atom which forms a carbonyl group together with the carbon atom to which X.sup.2 and Y.sup.2 are attached, or enantiomers thereof. The present invention further provides processes for preparing the above optically active esters and 7-substituted (3R, 5S, 6E)-3,5-dihydroxy-6-hepten-1,5-olides. These esters are useful as synthetic intermediates for preparing the above lactones having an inhibitory activity of HMG-CoA reductase as well as a sex attractant pheromone of beetles, endo-1,3-dimethyl-2,9-dioxabicyclo[3.3.1]nonane.

  本发明提供了以下式子所示的7-取代3,5-二官能团6-庚烯酸的光学活性酯：##STR1## 其中R是取代或未取代的芳基、取代或未取代的杂环芳基或取代的乙烯基；Ar是缩合芳基；X1和Y1不相同，每个都是氢原子或羟基，或者可以结合在一起表示氧原子，与X1和Y1连接的碳原子形成羰基；X2和Y2不相同，每个都是氢原子或羟基，或者可以结合在一起表示氧原子，与X2和Y2连接的碳原子形成羰基，或其对映体。本发明还提供了制备上述光学活性酯和7-取代（3R，5S，6E）-3,5-二羟基-6-庚烯-1,5-内酯的方法。这些酯可用作合成中间体，用于制备具有HMG-CoA还原酶抑制活性以及甲虫的性引诱素内-1,3-二甲基-2,9-二氧杂双环[3.3.1]壬烷的上述内酯。