7-mercapto-5-methyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid | 115735-33-6

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡唑并嘧啶类
• 英文名称: 7-mercapto-5-methyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid
• 英文别名: 3-carboxy-7-mercapto-5-methylpyrazolo[1,5-a]pyrimidine
• CAS: 115735-33-6
• 化学式: C₈H₇N₃O₂S
• 分子量: 209.228
• InChiKey: CQEOMHWLEVHTAU-UHFFFAOYSA-N

物化性质

• 密度：
  1.64±0.1 g/cm3(Temp: 20 °C; Press: 760 Torr)(predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.02
• 重原子数：
  14.0
• 可旋转键数：
  1.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  67.49
• 氢给体数：
  2.0
• 氢受体数：
  5.0

反应信息

• 作为反应物：
  描述：

  7-mercapto-5-methyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid 以 水 、 乙腈 为溶剂， 以61%的产率得到7-amino-3-[(3-carboxy-5-methylpyrazolo[1,5-a]pyrimidin-7-yl)thiomethyl]-3-cephem-4-carboxylic acid
  参考文献：
  名称：

  Cephalosporin .beta.-lactam compound and medicinal composition

  摘要：

  公开了一种β-内酰胺化合物，其化学式为(I)：##STR1##其中R₁和R₂分别为氢原子或较低的烷基基团；M为氢原子、保护基或易在人体中水解的可消除基团；R'和R"分别为氢原子或保护基；A为经取代或未取代多环氮杂环烃环取代的巯基或以下式(a)所表示的基团：--OOCNR₃R₄(a)，其中R₃和R₄分别为氢原子或较低的烷基基团，前提是R₁和R₂均为氢原子，排除R₃和R₄均为氢原子的情况，或其药学上可接受的盐，以及制备该化合物的方法、含有该化合物的微生物治疗药物组合物和合成该化合物的中间体。

  公开号：

  US04966900A1
• 作为产物：
  描述：

  、 盐酸 在 N,N-二甲基甲酰胺 作用下， 以 sodium hydroxide 为溶剂， 以There was obtained 7-mercapto-5-methyl-pyrazolo[1,5-a] pyrimidine-3-carboxylic acid as a yellow powder的产率得到7-mercapto-5-methyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid
  参考文献：
  名称：

  Intermediates for cephalosporins with sulfur containing oxyimino side

  摘要：

  公式为 ##STR1## 的抗菌化合物，其中 R 是单核芳香烃基，5-成员芳香杂环基，其中含有氧或硫原子或亚胺或低烷基亚胺基作为其（非碳）环成员，可选地含有一或两个氮原子，或6-成员芳香杂环基，其中含有一到三个氮原子作为其环成员; R.sup.1 是氢或可用于头孢菌素化学中的3-取代基; A 是低烷基或C.sub.3-7-环戊烷基，可选地取代为羧基，氨基甲酰基，低烷基氨基甲酰基或二（低烷基）氨基甲酰基; Q 是低烷基或C.sub.3-7-环戊烷基，可选地取代为羧基，氨基甲酰基，低烷基氨基甲酰基或二（低烷基）氨基甲酰基或基团--NR.sup.2--或--NR.sup.2NR.sup.3--; R.sup.2 和 R.sup.3 分别是氢或低烷基; p 和 m 为零或1，n 为零、1或2; R.sup.4 是氢、低烷酰基或三（低烷基）硅基; 两个 R.sup.4 组成二苯甲基; R.sup.5 是氢、低烷基、羟基、低烷氧基、卤素、硝基、--OCOR.sup.7、--OCOOR.sup.71、--N(R.sup.7).sub.2、--NHCOR.sup.7、--NHCOOR.sup.71、--COR.sup.7、--SR.sup.7、--SOR.sup.7、--SO.sub.2R.sup.7、--SO.sub.3H、--COOR.sup.7或--CON(R.sup.7).sub.2; R.sup.6 是氢、低烷基或卤素，R.sup.7 是氢或低烷基; R.sup.71 是低烷基，两个--OR.sup.4基通过相邻碳原子连接到苯环上，以及这些化合物的容易水解的酯和药学上可接受的盐以及公式I和其酯和盐的化合物和水合物。

  公开号：

  US05319140A1

文献信息

• Cephalosporins with sulfur-containing oxyimino side chain
  申请人：Hoffmann-La Roche Inc.

  公开号：US05036064A1

  公开（公告）日：1991-07-30

  Antibacterial compounds of the formula ##STR1## wherein R is a mononuclear carbocyclic aromatic group, a 5-membered aromatic heterocyclic group which contains as the hetero (non-carbon) ring member(s) an oxygen or sulphur atom or an imino or lower alkylimino group and, optionally, one or two nitrogen atoms, or a 6-membered aromatic heterocyclic group which contains one to three nitrogen atoms as the hetero ring member(s); R.sup.1 is hydrogen or a 3-substituent which is usable in cephalosporin chemistry; A is lower alkylene or C.sub.3-7 -cycloalkylene which is optionally substituted with carboxy, carbamoyl, lower alkylcarbamoyl or di(lower alkyl)carbamoyl; Q is lower alkylene or C.sub.3-7 -cycloalkylene which is optionally substituted with carboxy, carbamoyl, lower alkylcarbamoyl or di(lower alkyl)carbamoyl, or the group --NR.sup.2 -- or --NR.sup.2 NR.sup.3 --; R.sup.2 and R.sup.3 are independently hydrogen or lower alkyl; p and m are the zero or 1, n is zero, 1 or 2; R.sup.4 is hydrogen, lower alkanoyl or tri(lower alkyl)silyl; two R.sup.4 groups together represent diphenylmethylene; R.sup.5 is hydrogen, lower alkyl, hydroxy, lower alkoxy, halogen, nitro, --OCOR.sup.7, --OCOOR.sup.71, --N(R.sup.7).sub.2, --NHCOR.sup.7, --NHCOOR.sup.71, --COR.sup.7, --SR.sup.7, --SOR.sup.7, --SO.sub.2 R.sup.7, --SO.sub.3 H, --COOR.sup.7 or --CON(R.sup.7).sub.2 ; R.sup.6 is hydrogen, lower alkyl or halogen, R.sup.7 is hydrogen or lower alkyl; R.sup.71 is lower alkyl, and the two --OR.sup.4 groups are attached to the phenyl ring via adjacent carbon atoms, as well as readily hydrolyzable esters and pharmaceutically acceptable salts of these compounds and hydrates of compounds of formula I and of their esters and salts.

  公式为##STR1##的抗菌化合物，其中R是单核碳环芳基，含有氧或硫原子或亚胺或较低烷基亚胺基作为杂环（非碳）环成员的5-成员芳香杂环基，可选地，一个或两个氮原子，或者含有一个到三个氮原子作为杂环环成员的6-成员芳香杂环基；R.sup.1是氢或在头孢菌素化学中可用的3-取代基；A是较低烷基或可选地取代有羧基、氨基甲酰基、较低烷基氨基甲酰基或二（较低烷基）氨基甲酰基的C.sub.3-7-环烷基；Q是较低烷基或可选地取代有羧基、氨基甲酰基、较低烷基氨基甲酰基或二（较低烷基）氨基甲酰基的C.sub.3-7-环烷基，或者是基团--NR.sup.2--或--NR.sup.2 NR.sup.3--；R.sup.2和R.sup.3独立地是氢或较低烷基；p和m为零或1，n为零、1或2；R.sup.4是氢、较低烷酰基或三（较低烷基）硅基；两个R.sup.4基团一起代表二苯甲亚甲基；R.sup.5是氢、较低烷基、羟基、较低烷氧基、卤素、硝基、--OCOR.sup.7、--OCOOR.sup.71、--N(R.sup.7).sub.2、--NHCOR.sup.7、--NHCOOR.sup.71、--COR.sup.7、--SR.sup.7、--SOR.sup.7、--SO.sub.2 R.sup.7、--SO.sub.3 H、--COOR.sup.7或--CON(R.sup.7).sub.2；R.sup.6是氢、较低烷基或卤素，R.sup.7是氢或较低烷基；R.sup.71是较低烷基，两个--OR.sup.4基团通过相邻碳原子连接到苯环上，以及这些化合物的容易水解的酯和药用可接受盐以及公式I的化合物和其酯和盐的水合物。
• Cephalosphorins with sulfur-containing oxyimino side chain
  申请人：Hoffmann-La Roche Inc.

  公开号：US05073550A1

  公开（公告）日：1991-12-17

  Antibacterial compounds of the formula ##STR1## wherein R is a mononuclear carbocyclic aromatic group, a 5-membered aromatic heterocyclic group which contains as the hetero (non-carbon) ring member(s) an oxygen or sulphur atom or an imino or lower alkylimino group and, optionally, one or two nitrogen atoms, or a 6-membered aromatic heterocyclic group which contains one to three nitrogen atoms as the hetero ring member(s); R.sup.1 is hydrogen or a 3-substituent which is usable in cephalosporin chemistry; A is lower alkylene or C.sub.3-7 cycloalkylene which is optionally substituted with carboxy, carbamoyl, lower alkylcarbamoyl or di-(lower alkyl)carbamoyl; Q is lower alkylene or C.sub.3-7 cycloalkylene which is optionally substituted with carboxy, carbamoyl, lower alkylcarbamoyl or di(lower alkyl)carbamoyl, or the group --NR.sup.2 -- or --NR.sup.2 NR.sup.3 --; R.sup.2 and R.sup.3 are independently hydrogen or lower alkyl; p and m are the zero or 1, n is zero, 1 or 2; R.sup.4 is hydrogen, lower alkanoyl or tri(lower alkyl)silyl; two R.sup.4 groups together represent diphenylmethylene; R.sup.5 is hydrogen, lower alkyl, hydroxy, lower alkoxy, halogen, nitro, --OCOR.sup.7, --OCOOR.sup.71, --N(R.sup.7).sub.2, --NHCOR.sup.7, --NHCOOR.sup.71, --COR.sup.7, --SR.sup.7, --SOR.sup.7, --SO.sub.2 R.sup.7, --SO.sub.3 H, --COOR.sup.7 or --CON(R.sup.7).sub.2 R.sup.6 is hydrogen, lower alkyl or halogen, R.sup.7 is hydrogen or lower alkyl; R.sup.71 is lower alkyl, and the two --OR.sup.4 groups are attached to the phenyl ring via adjacent carbon atoms, as well as readily hydrolyzable esters and pharmaceutically acceptable salts of these compounds and hydrates of compounds of formula I and of their esters and salts.

  化合物的抗菌化合物公式为##STR1##其中R是单核芳香环烃基，5-成员芳香杂环基，其包含氧或硫原子或亚胺或低烷基亚胺基作为杂（非碳）环成员，可选地含有一个或两个氮原子，或者是含有一个到三个氮原子作为杂环成员的6-成员芳香杂环基; R.sup.1是氢或可在头孢菌素化学中使用的3-取代基; A是低烷基或C.sub.3-7环烷基，可选地取代羧基，氨基甲酰基，低烷基氨基甲酰基或二（低烷基）氨基甲酰基; Q是低烷基或C.sub.3-7环烷基，可选地取代羧基，氨基甲酰基，低烷基氨基甲酰基或二（低烷基）氨基甲酰基，或者是--NR.sup.2 --或--NR.sup.2 NR.sup.3 --基团; R.sup.2和R.sup.3独立地是氢或低烷基; p和m为零或1，n为零，1或2; R.sup.4是氢，低烷酰基或三（低烷基）硅基; 两个R.sup.4基团共同代表二苯基甲烯基; R.sup.5是氢，低烷基，羟基，低烷氧基，卤素，硝基，--OCOR.sup.7，--OCOOR.sup.71，--N（R.sup.7）.sub.2，--NHCOR.sup.7，--NHCOOR.sup.71，--COR.sup.7，--SR.sup.7，--SOR.sup.7，--SO.sub.2 R.sup.7，--SO.sub.3 H，--COOR.sup.7或--CON（R.sup.7）.sub.2 R.sup.6是氢，低烷基或卤素，R.sup.7是氢或低烷基; R.sup.71是低烷基，两个--OR.sup.4基团通过相邻的碳原子连接到苯环上，以及这些化合物的易水解酯和药学上可接受的盐以及公式I和其酯和盐的化合物和水合物。
• Intermediates for cephalosporins with sulfur-containing oxyimino side
  申请人：Hoffmann-La Roche, Inc.

  公开号：US05138066A1

  公开（公告）日：1992-08-11

  Antibacterial compounds of the formula ##STR1## wherein R is a mononuclear carbocyclic aromatic group, a 5-membered aromatic heterocyclic group which contains as the hetero (non-carbon) ring member(s) an oxygen or sulphur atom or an imino or lower alkylimino group and, optionally, one or two nitrogen atoms, or a 6-membered aromatic heterocyclic group which contains one to three nitrogen atoms as the hetero ring member(s); R.sup.1 is hydrogen or a 3-substituent which is usable in cephalosporin chemistry; A is lower alkylene or C.sub.3-7 -cycloalkylene which is optionally substituted with carboxy, carbamoyl, lower alkylcarbamoyl or di(lower alkyl)carbamoyl; Q is lower alkylene or C.sub.3-7 -cycloalkylene which is optionally substituted with carboxy, carbamoyl, lower alkylcarbamoyl or di(lower alkyl)carbamoyl, or the group --NR.sup.2 -- or --NR.sup.2 NR.sup.3 --; R.sup.2 and R.sup.3 are independently hydrogen or lower alkyl; p and m are the zero or 1, n is zero, 1 or 2; R.sup.4 is hydrogen, lower alkanoyl or tri(lower alkyl)silyl; two R.sup.4 groups together represent diphenylmethylene; R.sup.5 is hydrogen, lower alkyl, hydroxy, lower alkoxy, halogen, nitro, --OCOR.sup.7, --OCOOR.sup.71, --N(R.sup.7).sub.2, --NHCOR.sup.7, --NHCOOR.sup.71, --COR.sup.7, --SR.sup.7, --SOR.sup.7, --SO.sub.2 R.sup.7, --SO.sub.3 H, --COOR.sup.7 or --CON(R.sup.7).sub.2 ; R.sup.6 is hydrogen, lower alkyl or halogen, R.sup.7 is hydrogen or lower alkyl; R.sup.71 is lower alkyl, and the two --OR.sup.4 groups are attached to the phenyl ring via adjacent carbon atoms, as well as readily hydrolyzable esters and pharmaceutically acceptable salts of these compounds and hydrates of compounds of formula I and of their esters and salts.

  化合物的抗菌成分的公式为##STR1##其中R是单核芳香碳环基团，5-成员芳香杂环基团，其中包含杂（非碳）环成员的氧或硫原子或亚胺或低烷基亚胺基团，并且可选地包含一个或两个氮原子，或者是包含1至3个氮原子的6-成员芳香杂环基团；R.sup.1是氢或可用于头孢菌素化学的3-取代基；A是低烷基或C.sub.3-7-环烷基，可选地取代羧基，氨基甲酰基，低烷基氨基甲酰基或二（低烷基）氨基甲酰基；Q是低烷基或C.sub.3-7-环烷基，可选地取代羧基，氨基甲酰基，低烷基氨基甲酰基或二（低烷基）氨基甲酰基，或者是--NR.sup.2--或--NR.sup.2NR.sup.3--基团；R.sup.2和R.sup.3独立地是氢或低烷基；p和m为0或1，n为0、1或2；R.sup.4是氢，低烷酰基或三（低烷基）硅基；两个R.sup.4基团一起代表二苯甲基；R.sup.5是氢，低烷基，羟基，低烷氧基，卤素，硝基，--OCOR.sup.7，--OCOOR.sup.71，--N（R.sup.7）.sub.2，--NHCOR.sup.7，--NHCOOR.sup.71，--COR.sup.7，--SR.sup.7，--SOR.sup.7，--SO.sub.2R.sup.7，--SO.sub.3H，--COOR.sup.7或--CON（R.sup.7）.sub.2；R.sup.6是氢，低烷基或卤素，R.sup.7是氢或低烷基；R.sup.71是低烷基，两个--OR.sup.4基团通过相邻碳原子连接到苯环上，以及这些化合物的容易水解的酯和药学上可接受的盐以及公式I和它们的酯和盐的化合物和水合物。
• Beta-Lactam compound, method for preparing the same, medicinal composition for bacterially infectious disease therapy containing the same and intermediates for synthesis of the same
  申请人：SANKEI PHARMACEUTICAL COMPANY LIMITED

  公开号：EP0254495A2

  公开（公告）日：1988-01-27

  There are disclosed a β-lactam compound represented by the formula (I): wherein R₁ and R₂ are independently a hydrogen atom or a lower alkyl group; M is a hydrogen atom, a protective group or an eliminatable group which is easily hydrolyzable in a human body; Rʹ and Rʺ are independently a hydrogen atom or a protective group; A is a mercapto group substituted by a sub­stituted or unsubstituted polycyclic nitrogen-con­taining heterocyclic ring or a group represented by the following formula (a):     -OOCNR₃R₄      (a) where R₃ and R₄ are independently a hydrogen atom or a lower alkyl group, provided that R₁ and R₂ are both hydrogen atoms, both R₃ and R₄ being hydrogen atoms are excluded, or its pharmaceutically acceptable salt, and a method for preparing the same, medicinal composition for microbism therapy containing the same and intermediates for synthesis of the same.

  本发明公开了一种β-内酰胺化合物，由式(I)表示： 其中 R₁ 和 R₂ 独立地为氢原子或低级烷基；M 为氢原子、保护基团或在人体内易水解的可消除基团；Rʹ 和 Rʺ 独立地为氢原子或保护基团；A 为被取代或未取代的多环含氮杂环取代的巯基或下式(a)所代表的基团： -OOCNR₃R₄ (a) 其中 R₃ 和 R₄ 独立地为氢原子或低级烷基、 但 R₁ 和 R₂ 均为氢原子，R₃ 和 R₄ 均为氢原子者除外、 或其药学上可接受的盐，以及制备上述物质的方法、含有上述物质的微生物治疗药物组合物和合成上述物质的中间体。
• 3-Heterocyclylthiomethyl cephalosporins
  申请人：SANKEI PHARMACEUTICAL COMPANY LIMITED

  公开号：EP0286145A2

  公开（公告）日：1988-10-12

  Acyl derivatives of the general formula in which A signifies a group of the general formulae     -NHCO-, -NHCONHCO-, -NHCOCH=CH-, wherein R⁶ represents hydrogen or lower alkyl; R¹ and R² in each case signify hydrogen or a protecting group, X signifies hydrogen, halogen, lower alkoxy. nitro or an additional group -OR², n signifies the number 1 or 2, R⁴ and R⁵ both signify hydrogen or together signify an additional bond and Z signifies a direct bond or carbonyl (where R⁴ and R⁵ both represent hydrogen) or a group of the formula -O-B- (where R⁴ and R⁵ together represent an additional bond) in which B signifies straight-chain, branched or cyclic lower alkylene; and wherein further R³ signifies a substituted bicyclic group of the general formulae in which R⁷ and R⁸ each individually represent hydrogen, lower alkyl or trifluoromethyl or (in formulae (a), (b), (e) and (f)) together represent alkylene with 3 or 4 carbon atoms and Rʹ, Rʺ and R‴ each individually represent hydrogen, lower alkyl or lower cycloalkyl; whereby compounds of formula I in which R⁴ and R⁵ together represent an additional bond are present in the syn-isomeric form or as a mixture with the anti-isomeric form in which the syn-isomeric form predominates, as well as readily hydrolyzable esters and salts of these compounds and hydrates of the compounds of formula I or of their esters and salts. The compounds have antibiotic activity.

  通式如下的酰基衍生物 其中 A 表示通式中的一个基团 -nhco-、-nhconhco-、-nhcoch=ch-、 其中 R⁶ 代表氢或低级烷基；R¹ 和 R² 在每种情况下代表氢或保护基团；X 代表氢、卤素、低级烷氧基、硝基或附加基团-OR.n 表示数字 1 或 2，R⁴ 和 R⁵ 均表示氢或共同表示一个附加键，Z 表示直接键或羰基（其中 R⁴ 和 R⁵ 均表示氢）或式 -O-B- 的基团（其中 R⁴ 和 R⁵ 共同表示一个附加键），其中 B 表示直链、支链或环状低级亚烷基；其中 R³ 表示通式中的取代双环基团 其中 R⁷ 和 R⁸ 各自单独代表氢、低级烷基或三氟甲基或（在式 (a)、(b)、(e) 和 (f) 中）共同代表具有 3 或 4 个碳原子的亚烷基，而 Rʹ、Rʺ 和 R‴ 各自单独代表氢、低级烷基或低级环烷基；其中 R⁴ 和 R⁵ 共同代表一个附加键的式 I 化合物以同分异构体形式或与反异构体形式的混合物形式存在，其中同分异构体形式占主导地位、 以及这些化合物的易水解酯和盐，以及式 I 化合物或其酯和盐的水合物。 这些化合物具有抗生素活性。