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(2S,3R,4R)-2,3-epoxyhept-6-en-4-ol | 97996-80-0

中文名称
——
中文别名
——
英文名称
(2S,3R,4R)-2,3-epoxyhept-6-en-4-ol
英文别名
(1R)-1-[(2S,3S)-3-methyloxiran-2-yl]but-3-en-1-ol
(2S,3R,4R)-2,3-epoxyhept-6-en-4-ol化学式
CAS
97996-80-0
化学式
C7H12O2
mdl
——
分子量
128.171
InChiKey
HWQJBKYWCZLOSU-RRKCRQDMSA-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):
    0.8
  • 重原子数:
    9
  • 可旋转键数:
    3
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.71
  • 拓扑面积:
    32.8
  • 氢给体数:
    1
  • 氢受体数:
    2

反应信息

  • 作为反应物:
    描述:
    (2S,3R,4R)-2,3-epoxyhept-6-en-4-ol4-二甲氨基吡啶碲化氢 、 sodium tetrahydroborate 、 三乙胺 作用下, 以 二氯甲烷N,N-二甲基甲酰胺 为溶剂, 生成 庚-3,6-二烯-2-醇
    参考文献:
    名称:
    A tellurium transposition route to allylic alcohols: overcoming some limitations of the Sharpless-Katsuki asymmetric epoxidation
    摘要:
    Good yields of enantiomeric allylic alcohols can be obtained in high enantiomeric excess (ee) by combining the Sharpless-Katsuki asymmetric epoxidation process (SAE) with tellurium chemistry. The advantages of the tellurium process are as follows: (1) the 50% yield limitation on the allylic alcohol in the Sharpless kinetic resolution (SKR) can be overcome; (2) allylic tertiary alcohols which are unsatisfactory substrates in the SKR can be obtained in high optical purity; (3) optically active secondary allylic alcohols with tertiary alkyl substituents (e.g. tert-butyl) at C-1 can be obtained in high ee; (4) optically active sterically congested cis secondary alcohols can be obtained in high ee; and (5) the nuisance of the slow SAE of some vinyl carbinols can be avoided. The key step in the reaction sequence is either a stereospecific 1,3-trans position of double bond and alcohol functionalities or an inversion of the alcohol configuration with concomitant deoxygenation of the epoxide function in epoxy alcohols. Trans secondary allylic alcohols can be converted to cis secondary allylic alcohols by way of erythro epoxy alcohols (glycidols); threo glycidyl derivatives are converted to trans secondary allylic alcohols. These transformations are accomplished by the action of telluride ion, generated in situ from the element, on a glycidyl sulfonate ester. Reduction of elemental Te is conveniently done with rongalite (HOCH2SO2Na) in an aqueous medium. This method is satisfactory when Te2- is required to attack a primary carbon site of a glycidyl sulfonate. In cases where Te2- is required to attack a secondary carbon site, reduction of the tellurium must be done with NaBH4 or LiEt3BH. Elemental tellurium is precipitated during the course of the reactions and can be recovered and reused.
    DOI:
    10.1021/jo00055a029
  • 作为产物:
    参考文献:
    名称:
    像碳水化合物的手性合成子:由(2S,3R)合成4-氨基-2,4,6-三苯氧基-1-lyxo-,-1-阿拉伯糖和-l-核糖己糖的N-三氟乙酰基衍生物肉桂醛在面包酵母发酵中形成的-2,3-二醇
    摘要:
    摘要(2S,3S)-2,3-异丙基二烯二氧基丁醛,是通过将肉桂醛形成的O-异丙基亚甲基化的(2S,3R)-2,3-二醇在面包师酵母中进行臭氧分解而制得的,它与二烯丙基锌一起提供C7,碳水化合物样,非碳水化合物衍生的加合物(2S,3R,4R)-2,3-异丙基二烯二氧基-4-羟基庚-6-烯(9)。该物质是立体化学定义的,官能化的手性合成子,可用于合成对映体纯的产物。据报道,由9合成了4-氨基-2,4,6-三苯氧基-1-lyxo(21),-1-阿拉伯糖(22)和-l-核糖己糖(23)的N-三氟乙酰基衍生物。 。合成中的关键中间体是异构的环氧醇(2S,3S,4S)-3,4-环氧庚烷6-烯-2-醇,(2S,3R,4S)-2,3-环氧庚烷-6-烯- 4-ol和(2S,3R,4R)-2,3-epoxyhept-6-en-4-ol。
    DOI:
    10.1016/0008-6215(85)85190-9
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