(2S)-2-[(3aR,4R,6R,6aR)-4-methoxy-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]-2-(phenylmethoxycarbonylamino)acetic acid | 1054651-79-4

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: (2S)-2-[(3aR,4R,6R,6aR)-4-methoxy-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]-2-(phenylmethoxycarbonylamino)acetic acid
• CAS: 1054651-79-4
• 化学式: C₁₈H₂₃NO₈
• 分子量: 381.383
• InChiKey: BUEPVAWNCDOIIX-UTHRFFRBSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.1
• 重原子数：
  27
• 可旋转键数：
  7
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.56
• 拓扑面积：
  113
• 氢给体数：
  2
• 氢受体数：
  8

反应信息

• 作为反应物：
  描述：

  重氮甲烷 、 (2S)-2-[(3aR,4R,6R,6aR)-4-methoxy-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]-2-(phenylmethoxycarbonylamino)acetic acid 以 吡啶 为溶剂， 生成 methyl (2S)-2-[(3aR,4R,6R,6aR)-4-methoxy-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]-2-(phenylmethoxycarbonylamino)acetate
  参考文献：
  名称：

  Stereoselective Addition of 2-Furyllithium and 2-Thiazolyllithium to Sugar Nitrones. Synthesis of Carbon-Linked Glycoglycines

  摘要：

  A route to epimeric carbon-linked glycoglycines that exploits the stereoselective addition of 2-lithiofuran and 2-lithiothiazole to sugar nitrones has been described. The reaction occurs with opposite diastereofacial selectivity depending on whether the free nitrone or the diethyl aluminum chloride precomplexed derivative is employed. The resulting furyl or thiazolyl hydroxylamines are dehydroxylated to amines by the action of titanium(III) chloride. From these compounds the amino acids are revealed by the oxidative cleavage of the furan ring or by the conversion of the thiazole into the formyl group and oxidation to carboxylic acid. Compounds have been prepared wherein the alpha-amino acid moiety is installed at C-4 and C-1 of furanoses (ribo, manno, xylo, and lyxo) and at C-5 and C-1 of a pyranose (galacto).

  DOI：

  10.1021/jo970290a
• 作为产物：
  描述：

  (Z)-N-(5-deoxy-2,3-O-isopropylidene-1-O-methyl-β-D-ribo-1,4-furanose-5-ylidene)benzylamine N-oxide 在 ruthenium trichloride 、 sodium periodate 、 titanium(III) chloride 、 氯化二乙基铝 、 silica gel 、 碳酸氢钠 作用下， 以 四氢呋喃 、 1,4-二氧六环 、 四氯化碳 、 乙醚 、 正己烷 、 水 、 乙腈 为溶剂， 反应 26.33h， 生成 (2S)-2-[(3aR,4R,6R,6aR)-4-methoxy-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]-2-(phenylmethoxycarbonylamino)acetic acid
  参考文献：
  名称：

  Applications of Sugar Nitrones in Synthesis:  The Total Synthesis of (+)-Polyoxin J¹

  摘要：

  A convergent synthesis of the peptidyl nucleoside antibiotic (inhibitor of chitin biosynthesis) polyoxin J (2) by coupling of 5-O-carbamoyl polyoxamic acid (3) and thymine polyoxin C (4) is described. These compounds were prepared by chain elongation and amination of sugar-derived aldehydes employing their nitrones as iminium derivatives and the furan ring as a masked carboxyl. Thus, the stereoselective addition of 2-lithiofuran to the L-threose derived N-benzyl nitrone 5 followed by reduction of the resulting hydroxylamine to amine, carbamoylation of the free hydroxy group, and oxidative cleavage of the furan ring to the carboxylate group gave a protected derivative of 3 (30%). The same method was followed for the synthesis of the ribofuranosyl alpha-amino acid nucleoside 4 (12.6%) starting from the D-ribose derived nitrone 6. The final coupling was performed by the N-hydroxysuccinimide active ester method in DMSO with the Hunig base (i-Pr2EtNH) using a derivative of 3 and unprotected 4.

  DOI：

  10.1021/jo9702913

文献信息

• Stereoselective Addition of 2-Furyllithium and 2-Thiazolyllithium to Sugar Nitrones. Synthesis of Carbon-Linked Glycoglycines
  作者：Alessandro Dondoni、Federico Junquera、Francisco Luis Merchán、Pedro Merino、Marie-Christine Scherrmann、Tomas Tejero

  DOI：10.1021/jo970290a

  日期：1997.8.1

  A route to epimeric carbon-linked glycoglycines that exploits the stereoselective addition of 2-lithiofuran and 2-lithiothiazole to sugar nitrones has been described. The reaction occurs with opposite diastereofacial selectivity depending on whether the free nitrone or the diethyl aluminum chloride precomplexed derivative is employed. The resulting furyl or thiazolyl hydroxylamines are dehydroxylated to amines by the action of titanium(III) chloride. From these compounds the amino acids are revealed by the oxidative cleavage of the furan ring or by the conversion of the thiazole into the formyl group and oxidation to carboxylic acid. Compounds have been prepared wherein the alpha-amino acid moiety is installed at C-4 and C-1 of furanoses (ribo, manno, xylo, and lyxo) and at C-5 and C-1 of a pyranose (galacto).
• Applications of Sugar Nitrones in Synthesis:  The Total Synthesis of (+)-Polyoxin J¹
  作者：Alessandro Dondoni、Santiago Franco、Federico Junquera、Francisco L. Merchán、Pedro Merino、Tomás Tejero

  DOI：10.1021/jo9702913

  日期：1997.8.1

  A convergent synthesis of the peptidyl nucleoside antibiotic (inhibitor of chitin biosynthesis) polyoxin J (2) by coupling of 5-O-carbamoyl polyoxamic acid (3) and thymine polyoxin C (4) is described. These compounds were prepared by chain elongation and amination of sugar-derived aldehydes employing their nitrones as iminium derivatives and the furan ring as a masked carboxyl. Thus, the stereoselective addition of 2-lithiofuran to the L-threose derived N-benzyl nitrone 5 followed by reduction of the resulting hydroxylamine to amine, carbamoylation of the free hydroxy group, and oxidative cleavage of the furan ring to the carboxylate group gave a protected derivative of 3 (30%). The same method was followed for the synthesis of the ribofuranosyl alpha-amino acid nucleoside 4 (12.6%) starting from the D-ribose derived nitrone 6. The final coupling was performed by the N-hydroxysuccinimide active ester method in DMSO with the Hunig base (i-Pr2EtNH) using a derivative of 3 and unprotected 4.