(4R)-4-[(2S,3S,6R,8S,9R)-3,9-dimethyl-8-[(3S)-3-methylpent-4-enyl]-1,7-dioxaspiro[5.5]undecan-2-yl]pentanal | 159563-09-4

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: (4R)-4-[(2S,3S,6R,8S,9R)-3,9-dimethyl-8-[(3S)-3-methylpent-4-enyl]-1,7-dioxaspiro[5.5]undecan-2-yl]pentanal
• CAS: 159563-09-4
• 化学式: C₂₂H₃₈O₃
• 分子量: 350.542
• InChiKey: GAXQXSGRCXJWDE-CUCLYRJJSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.3
• 重原子数：
  25
• 可旋转键数：
  8
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.86
• 拓扑面积：
  35.5
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  (4R)-4-[(2S,3S,6R,8S,9R)-3,9-dimethyl-8-[(3S)-3-methylpent-4-enyl]-1,7-dioxaspiro[5.5]undecan-2-yl]pentanal 在 bis(acetylacetonate)oxovanadium 、 palladium dichloride 2,6-二甲基吡啶 、 叔丁基过氧化氢 、 4-二甲氨基吡啶 、 重铬酸吡啶 、 3 A molecular sieve 、 4 A molecular sieve 、 氢氟酸 、 水 、 氧气 、 三乙基硅基三氟甲磺酸酯 、 四氯化钛 、 三乙基硼氢化锂 、 三乙胺 、 copper(l) chloride 作用下， 以 四氢呋喃 、 二氯甲烷 、 N,N-二甲基甲酰胺 、 甲苯 、 乙腈 为溶剂， 反应 38.5h， 生成 互变霉素
  参考文献：
  名称：

  Total Synthesis of Tautomycin

  摘要：

  A convergent stereocontrolled synthesis of the antifungal antibiotic tautomycin, a potent protein phosphatases inhibitor, has been achieved first via key aldol coupling of two large subunits, a right-hand C-1-C-21 ketone and a left-hand aldehyde (left from C-22). The C-1-C-10 segment was synthesized through a remote stereochemical control process using a spiroketal template. After joining with the C-11-C-18 segment, the spiroketal moiety was selectively constructed. Then the right-hand C-1-C-21 ketone was synthesized via Roush asymmetric crotylboration. The left-hand aldehyde was prepared from a C-21-C-26 Segment and a dialkylmaleic anhydride segment. Completely stereoselective assemblage of the two subunits, the right-hand and the left-hand, was achieved by employing the Mukaiyama aldol reaction. Further functional group manipulations including desilylation, oxidation at C-2, and deprotection of tert-butyl ester with concomitant anhydride formation provided tautomycin which was identical with the natural product. As a preliminary study, derivatizations and degradation of the natural product were also examined to support the total synthesis.

  DOI：

  10.1021/jo00121a026
• 作为产物：
  描述：

  互变霉素 在 2,6-二甲基吡啶 、 四(三苯基膦)钯 、 氢氟酸 、 三正丁基氢锡 、 potassium carbonate 、 lithium chloride 、 lithium hexamethyldisilazane 作用下， 以 四氢呋喃 、 甲醇 、 二氯甲烷 、 甲苯 、 乙腈 为溶剂， 反应 13.67h， 生成 (4R)-4-[(2S,3S,6R,8S,9R)-3,9-dimethyl-8-[(3S)-3-methylpent-4-enyl]-1,7-dioxaspiro[5.5]undecan-2-yl]pentanal
  参考文献：
  名称：

  Total Synthesis of Tautomycin

  摘要：

  A convergent stereocontrolled synthesis of the antifungal antibiotic tautomycin, a potent protein phosphatases inhibitor, has been achieved first via key aldol coupling of two large subunits, a right-hand C-1-C-21 ketone and a left-hand aldehyde (left from C-22). The C-1-C-10 segment was synthesized through a remote stereochemical control process using a spiroketal template. After joining with the C-11-C-18 segment, the spiroketal moiety was selectively constructed. Then the right-hand C-1-C-21 ketone was synthesized via Roush asymmetric crotylboration. The left-hand aldehyde was prepared from a C-21-C-26 Segment and a dialkylmaleic anhydride segment. Completely stereoselective assemblage of the two subunits, the right-hand and the left-hand, was achieved by employing the Mukaiyama aldol reaction. Further functional group manipulations including desilylation, oxidation at C-2, and deprotection of tert-butyl ester with concomitant anhydride formation provided tautomycin which was identical with the natural product. As a preliminary study, derivatizations and degradation of the natural product were also examined to support the total synthesis.

  DOI：

  10.1021/jo00121a026

文献信息

• Total Synthesis of the Serine/Threonine-Specific Protein Phosphatase Inhibitor Tautomycin¹
  作者：James E. Sheppeck、Wen Liu、A. Richard Chamberlin

  DOI：10.1021/jo961633s

  日期：1997.1.1

  A convergent, asymmetric synthesis of the protein phosphatase inhibitor, tautomycin, is described. The natural product was constructed by joining two major fragments of comparable complexity at the C21-C22 bond. Absolute stereochemistry of the C1-C21 ketone originates from (S)-citronellene and (2R,3S)-geraniol epoxide. The anti stereochemical relationships at C6-C7 and C18-C19 were introduced with

  描述了蛋白质磷酸酶抑制剂互变霉素的收敛，不对称合成。天然产物是通过在C21-C22键处连接两个相当复杂的主要片段而构建的。C 1 -C 21酮的绝对立体化学源自（S）-香茅烯和（2R，3S）-香叶醇环氧化物。用Duthaler的手性丙酸钛烯醇酯介绍了C6-C7和C18-C19的抗立体化学关系。使用Evan的恶唑烷酮手性助剂建立了C13-C14和C23-C24的顺式立体化学关系。通过以丙酮N，N-二甲基hydr为中心关键的一锅双烷基化-螺环化序列有效地构建了螺酮。
• Synthesis of a C1−C21 Subunit of the Protein Phosphatase Inhibitor Tautomycin:  A Formal Total Synthesis
  作者：James A. Marshall、Mathew M. Yanik

  DOI：10.1021/jo0056951

  日期：2001.2.1

  The synthesis of a C1-C21 subunit of tautomycin is described. The convergent route employs enantioenriched allenylstannane and zinc reagents derived from (S)-3-butyn-2-ol methanesulfonate. These reagents react with appropriate aldehyde segments to yield syn and anti adducts with high diastereoselectivity. The derived lithioalkynes are joined stepwise to a CO equivalent, (MeONMe)2C=O, to afford an intermediate

  描述了互变霉素C1-C21亚基的合成。收敛路线采用了对映体富集的烯丙基锡烷和衍生自（S）-3-butyn-2-ol甲磺酸盐的锌试剂。这些试剂与适当的醛链段反应，以高非对映选择性产生顺式和反加合物。将衍生的硫代炔烃逐步连接至CO当量（MeONMe）2 C ＝ O，以提供中间体酮，该中间体酮在酸处理后转化为互变异构体的核心螺缩酮部分。通过将上述烯丙基锌试剂另一种添加到螺酮醛中来进行链延长，以高非对映选择性进行，以安装剩余的立体中心。所得的炔丙醇加合物通过炔烃的分子内氢化硅烷化和衍生的五元硅氧烷的Tamoo氧化而转化为甲基酮。该酮被证明与张伯林在先前的互变异构全合成中使用的中间体相同。
• Oikawa, Hideaki; Oikawa, Masato; Ichihara, Akitami, Bioscience, Biotechnology and Biochemistry, 1994, vol. 58, # 10, p. 1933 - 1935
  作者：Oikawa, Hideaki、Oikawa, Masato、Ichihara, Akitami、Ubukata, Makoto、Isono, Kiyoshi

  DOI：——

  日期：——
• Total Synthesis of Tautomycin
  作者：Masato Oikawa、Tohru Ueno、Hideaki Oikawa、Akitami Ichihara

  DOI：10.1021/jo00121a026

  日期：1995.8

  A convergent stereocontrolled synthesis of the antifungal antibiotic tautomycin, a potent protein phosphatases inhibitor, has been achieved first via key aldol coupling of two large subunits, a right-hand C-1-C-21 ketone and a left-hand aldehyde (left from C-22). The C-1-C-10 segment was synthesized through a remote stereochemical control process using a spiroketal template. After joining with the C-11-C-18 segment, the spiroketal moiety was selectively constructed. Then the right-hand C-1-C-21 ketone was synthesized via Roush asymmetric crotylboration. The left-hand aldehyde was prepared from a C-21-C-26 Segment and a dialkylmaleic anhydride segment. Completely stereoselective assemblage of the two subunits, the right-hand and the left-hand, was achieved by employing the Mukaiyama aldol reaction. Further functional group manipulations including desilylation, oxidation at C-2, and deprotection of tert-butyl ester with concomitant anhydride formation provided tautomycin which was identical with the natural product. As a preliminary study, derivatizations and degradation of the natural product were also examined to support the total synthesis.