ethyl 2-((S)-1,1-dimethylethylsulfinamido)-2-(2,2,6-trimethyl-4-oxo-4H-1,3-dioxin-5-yl)acetate | 1173933-61-3

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: ethyl 2-((S)-1,1-dimethylethylsulfinamido)-2-(2,2,6-trimethyl-4-oxo-4H-1,3-dioxin-5-yl)acetate
• 英文别名: ethyl (2S)-2-[[(S)-tert-butylsulfinyl]amino]-2-(2,2,4-trimethyl-6-oxo-1,3-dioxin-5-yl)acetate
• CAS: 1173933-61-3
• 化学式: C₁₅H₂₅NO₆S
• 分子量: 347.433
• InChiKey: ZHVGBBOWPQWPMJ-RULNZOCKSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  23
• 可旋转键数：
  7
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.73
• 拓扑面积：
  110
• 氢给体数：
  1
• 氢受体数：
  8

反应信息

• 作为反应物：
  描述：

  ethyl 2-((S)-1,1-dimethylethylsulfinamido)-2-(2,2,6-trimethyl-4-oxo-4H-1,3-dioxin-5-yl)acetate 在 盐酸 、 甲醇 、 水 作用下， 以 1,4-二氧六环 为溶剂， 反应 1.0h， 生成
  参考文献：
  名称：

  Tunable and Highly Regio- and Diastereoselective Vinylogous Mannich-Type Reaction of Dioxinone-Derived Silyl Dienolate

  摘要：

  A tunable and highly regio- and diastereoselective vinylogous Mannich-type reaction of dioxinone-derived silyl dienolate (1) with chiral N-tert-butanesulfinyl imino ester (2) was developed. By appropriate choice of Lewis acid catalyst, two diastereomers of the gamma-product were obtained, respectively, with dr up to 95:5. The procedure for the Ag(I)-catalyzed vinylogous Mannich-type reaction also provided facile access to the alpha-regioisomer with excellent diastereoselectivities (up to > 99:1 dr) by changing the counterion of the Ag(I) salt.

  DOI：

  10.1021/jo900977y
• 作为产物：
  描述：

  2-[(S)-叔丁基亚磺酰基]亚氨基乙酸乙酯 、 (2,2-dimethyl-6-methylene-6H-1,3-dioxin-4-yloxy)trimethylsilane 在 silver trifluoroacetate 作用下， 以 二氯甲烷 为溶剂， 反应 24.5h， 以82%的产率得到ethyl 2-((S)-1,1-dimethylethylsulfinamido)-2-(2,2,6-trimethyl-4-oxo-4H-1,3-dioxin-5-yl)acetate
  参考文献：
  名称：

  Tunable and Highly Regio- and Diastereoselective Vinylogous Mannich-Type Reaction of Dioxinone-Derived Silyl Dienolate

  摘要：

  A tunable and highly regio- and diastereoselective vinylogous Mannich-type reaction of dioxinone-derived silyl dienolate (1) with chiral N-tert-butanesulfinyl imino ester (2) was developed. By appropriate choice of Lewis acid catalyst, two diastereomers of the gamma-product were obtained, respectively, with dr up to 95:5. The procedure for the Ag(I)-catalyzed vinylogous Mannich-type reaction also provided facile access to the alpha-regioisomer with excellent diastereoselectivities (up to > 99:1 dr) by changing the counterion of the Ag(I) salt.

  DOI：

  10.1021/jo900977y

文献信息

• Tunable and Highly Regio- and Diastereoselective Vinylogous Mannich-Type Reaction of Dioxinone-Derived Silyl Dienolate
  作者：Chun-Ling Gu、Li Liu、Dong Wang、Yong-Jun Chen

  DOI：10.1021/jo900977y

  日期：2009.8.7

  A tunable and highly regio- and diastereoselective vinylogous Mannich-type reaction of dioxinone-derived silyl dienolate (1) with chiral N-tert-butanesulfinyl imino ester (2) was developed. By appropriate choice of Lewis acid catalyst, two diastereomers of the gamma-product were obtained, respectively, with dr up to 95:5. The procedure for the Ag(I)-catalyzed vinylogous Mannich-type reaction also provided facile access to the alpha-regioisomer with excellent diastereoselectivities (up to > 99:1 dr) by changing the counterion of the Ag(I) salt.