methyl 2-nosyloxy 3-methyl butanoate | 134540-55-9

• 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: methyl 2-nosyloxy 3-methyl butanoate
• 英文别名: Methyl 3-methyl-2-(4-nitrophenyl)sulfonyloxybutanoate
• CAS: 134540-55-9
• 化学式: C₁₂H₁₅NO₇S
• 分子量: 317.32
• InChiKey: YLSDUOLOSDGVKG-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.3
• 重原子数：
  21
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.42
• 拓扑面积：
  124
• 氢给体数：
  0
• 氢受体数：
  7

反应信息

• 作为反应物：
  描述：

  sodium acetate 、 methyl 2-nosyloxy 3-methyl butanoate 以 N,N-二甲基甲酰胺 为溶剂， 反应 72.0h， 以68%的产率得到methyl 2-acetoxy 3-methyl butanoate
  参考文献：
  名称：

  Conversion of Esters to 2-Acetoxy Esters via 2-Nosyloxy Esters

  摘要：

  Reaction of 2-nosyloxy esters, available in high yields from the reaction of trimethylsilyl ketene acetals with p-((nitrobenzene)sulfonyl) peroxide, with sodium acetate in DMF produces 2-acetoxy ester in good yields.

  DOI：

  10.1080/00397919108020815

文献信息

• ALTERNATIVE SYNTHESIS OF RENIN INHIBITORS AND INTERMEDIATES THEREOF
  申请人：Sedelmeier Gottfried

  公开号：US20110137044A1

  公开（公告）日：2011-06-09

  The present invention relates to synthetic routes to prepare a compound of the formula wherein R 1 is halogen, C 1-6 halogenalkyl, C 1-6 alkoxy-C 1-6 alkyloxy or C 1-6 alkoxy-C 1-6 alkyl; R 2 is halogen, C 1-4 alkyl or C 1-4 alkoxy; R 3 and R 4 are independently branched C 3-6 alkyl; and R 5 is cycloalkyl, C 1-6 alkyl, C 1-6 hydroxyalkyl, C 1-6 alkoxy-C 1-6 alkyl, C 1-6 alkanoyloxy-C 1-6 alkyl, C 1-6 aminoalkyl, C 1-6 alkylamino-C 1-6 alkyl, C 1-6 dialkylamino-C 1-6 alkyl, C 1-6 alkanoylamino-C 1-6 alkyl, HO(O)C-C 1-6 alkyl, C 1-6 alkyl-O—(O)C—C 1-6 alkyl, H 2 N—C(O)—C 1-6 alkyl, C 1-6 alkyl-HN—C(O)—C 1-6 alkyl or (C 1-6 alkyl) 2 N—C(O)—C 1-6 alkyl; or a pharmaceutically acceptable salt thereof as well as key intermediates obtained when following these routes as well as their preparation.

  本发明涉及合成路线，用于制备以下化合物的公式其中R1是卤素，C1-6卤代烷基，C1-6烷氧基-C1-6烷氧基或C1-6烷氧基-C1-6烷基; R2是卤素，C1-4烷基或C1-4烷氧基; R3和R4分别是支链C3-6烷基; R5是环烷基，C1-6烷基，C1-6羟基烷基，C1-6烷氧基-C1-6烷基，C1-6酰氧基-C1-6烷基，C1-6氨基烷基，C1-6烷基氨基-C1-6烷基，C1-6二烷基氨基-C1-6烷基，C1-6酰胺基烷基，HO（O）C-C1-6烷基，C1-6烷基-O—（O）C—C1-6烷基，H2N—C（O）—C1-6烷基，C1-6烷基-HN—C（O）—C1-6烷基或（C1-6烷基）2N—C（O）—C1-6烷基; 或其药学上可接受的盐，以及在遵循这些路线时得到的关键中间体以及它们的制备。
• HOFFMAN, ROBERT V.;STOLL, DEBORAH, SYNTH. COMMUN., 21,(1991) N, C. 223-227
  作者：HOFFMAN, ROBERT V.、STOLL, DEBORAH

  DOI：——

  日期：——
• US8143416B2
  申请人：——

  公开号：US8143416B2

  公开（公告）日：2012-03-27