4-hydroxymandelic acid sodium salt monohydrate

• 分子结构分类: 有机化合物 - 苯类化合物 - 酚类
• 英文名称: 4-hydroxymandelic acid sodium salt monohydrate
• 英文别名: sodium p-hydroxymandelate monohydrate；sodium salt of p-hydroxymandelic acid hydrate；2-Hydroxy-2-(4-hydroxyphenyl)acetic acid, sodium salt hydrate；sodium;2-hydroxy-2-(4-hydroxyphenyl)acetate;hydrate
• 化学式: C₈H₇O₄*H₂O*Na
• 分子量: 208.146
• InChiKey: OIKHYMJKSSAAPR-UHFFFAOYSA-M

计算性质

• 辛醇/水分配系数(LogP)：
  -4.65
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  81.6
• 氢给体数：
  3
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  4-hydroxymandelic acid sodium salt monohydrate 在 钯 concentrated aqueous hydrochloric acid 作用下， 以 水 为溶剂， 以85%的产率得到对羟基苯乙酸
  参考文献：
  名称：

  Process for the manufacture of p-hydroxyphenyl acetic acid

  摘要：

  一种通过对p-羟基苯乙酸进行还原制备p-羟基苯乙酸的工艺。该产品是制备β-肾上腺素能阻滞剂阿托洛尔的有用中间体。

  公开号：

  US04198526A1
• 作为产物：
  描述：

  乙醛酸 、 苯酚 在 sodium hydroxide 、 sodium chloride 作用下， 以 ice-water 为溶剂， 以76%的产率得到4-hydroxymandelic acid sodium salt monohydrate
  参考文献：
  名称：

  Salt of p-hydroxymandelate

  摘要：

  固态的单水合物氢氧基曼德酸钠或钾，以及从苯酚、乙醛酸和氢氧化钠或钾的已知反应混合物中分离它的过程。该产品是制备β-肾上腺素能阻滞剂阿托伐醇的有用中间体。

  公开号：

  US04198523A1
• 作为试剂：
  描述：

  4-羟基扁桃酸 、 sodium hydroxide 在 4-hydroxymandelic acid sodium salt monohydrate 作用下， 以 4-甲基-2-戊酮 为溶剂， 反应 1.0h， 生成 anhydrous sodium p-hydroxymandelate
  参考文献：
  名称：

  p-Hydroxymandelic acid

  摘要：

  一种分离对羟基苯乙酸固体盐的方法，该方法包括在钠或钾氢氧化物存在下，将苯酚与乙醛酸反应，使其酸度小于3，用水不溶溶剂提取产生的溶液，得到对羟基苯乙酸的溶液并从中沉淀出盐。

  公开号：

  US04368334A1

文献信息

• Process for the manufacture of p-hydroxybenzyl cyanide
  申请人：Imperial Chemical Industries Limited

  公开号：US04154757A1

  公开（公告）日：1979-05-15

  A process for the manufacture of p-hydroxybenzyl cyanide which comprises reacting p-hydroxymandelic acid with cyanide ion. The product is a useful intermediate for the preparation of the .beta.-adrenergic blocking agent atenolol.

  一种制备对羟基苯乙腈的方法，包括将对羟基苯乙酸与氰根离子反应。该产品是制备β-肾上腺素受体阻滞剂阿托洛尔的有用中间体。
• 3-(Dihydrobenzofuran-5-yl)benzofuran-2-ones as stabilizers
  申请人：Ciba-Geigy Corporation

  公开号：US05428177A1

  公开（公告）日：1995-06-27

  Novel compounds of formula (1) ##STR1## wherein R.sub.1 is hydrogen, alkyl or alkaryl, R.sub.2 to R.sub.5 are independently hydrogen, chloro, alkyl phenylalkyl, aryl, cycloalkyl, alkoxy, alkylthio, hydroxy, amino or substituted amino, R.sub.6 is hydrogen, R.sub.7 and R.sub.8 are hydrogen or alkyl, R.sub.9 and R.sub.9 ' are hydrogen, alkyl or phenyl, and R.sub.10 is hydrogen or alkyl, are disclosed as stabilisers for protecting organic materials against thermal, oxidative or light-induced degradation.

  化合物的新型式如下 (1) ##STR1## 其中，R.sub.1 是氢、烷基或芳基烷基，R.sub.2 到 R.sub.5 独立地是氢、氯、烷基苯基烷基、芳基、环烷基、烷氧基、烷硫基、羟基、氨基或取代氨基，R.sub.6 是氢，R.sub.7 和 R.sub.8 是氢或烷基，R.sub.9 和 R.sub.9 ' 是氢、烷基或苯基，而 R.sub.10 是氢或烷基。这些化合物被用作稳定剂，以保护有机材料免受热、氧化或光诱导的降解。
• 3-(2-acyloxyethoxyphenyl)benzofuran-2-ones for use as stabilizers
  申请人：Ciba-Geigy Corporation

  公开号：US05428162A1

  公开（公告）日：1995-06-27

  Novel compounds of the formula (1), ##STR1## in which R.sub.1 is hydrogen or acyl, R.sub.2 to R.sub.5 are independently hydrogen, chloro, alkyl phenylalkyl, aryl, cycloalkyl, alkoxy, alkylthio, hydroxy, amino or substituted amino, R.sub.6 is hydrogen, R.sub.7 to R.sub.10 are independently hydrogen, alkyl or alkoxy, R.sub.17 or R.sub.19 is hydrogen or alkyl, and R.sub.18 is hydrogen, alkyl, aralkyl or aryl, are described for use as stabilizers for organic materials against thermal, oxidative or light-induced degradation.

  化合物的新颖结构式（1），其中R.sub.1为氢或酰基，R.sub.2至R.sub.5独立地为氢、氯、烷基苯基烷基、芳基、环烷基、烷氧基、烷硫基、羟基、氨基或取代氨基，R.sub.6为氢，R.sub.7至R.sub.10独立地为氢、烷基或烷氧基，R.sub.17或R.sub.19为氢或烷基，R.sub.18为氢、烷基、芳基烷基或芳基，用于有机材料的稳定剂，抵抗热、氧化或光诱导的降解。
• Diphenyl acetic acid derivatives
  申请人：Ciba-Geigy Corporation

  公开号：US05260430A1

  公开（公告）日：1993-11-09

  Novel diphenyl acetic acid derivatives of the formula I are described, ##STR1## in which R is C.sub.3 -C.sub.18 -2-alkenyl, C.sub.3 -C.sub.8 -2-alkynyl or phenyl-C.sub.1 -C.sub.4 alkyl, each of which is unsubstituted or substituted by phenyl, R.sub.1 is hydrogen, C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.12 cycloalkyl or phenyl-C.sub.1 -C.sub.4 alkyl, R.sub.2 is --OR.sub.4 or --NR.sub.5 R.sub.6, R.sub.4 is hydrogen, C.sub.1 -C.sub.18 alkyl or (--CH.sub.2 --).sub.n G, R.sub.5 and R.sub.6 independently of one another are hydrogen, C.sub.1 -C.sub.12 alkyl or phenyl-C.sub.1 -C.sub.4 alkyl, R.sub.7, R.sub.8, R.sub.9 and R.sub.10 independently of one another are hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, with the proviso that at least one of the radicals R.sub.7, R.sub.8, R.sub.9 or R.sub.10 is hydrogen, R.sub.11 is hydrogen, C.sub.1 -C.sub.18 alkoxy, C.sub.5 -C.sub.8 cycloalkoxy, phenyl-C.sub.1 -C.sub.4 alkoxy or C.sub. 3 -C.sub.18 -2-alkenyloxy, n is a number from 2 to 12, and G is a group of the formula ##STR2## The compounds according to the invention can be used as stabilizers for organic materials.

  本发明涉及一种新型二苯乙酸衍生物，其化学式为I，其中R为C.sub.3-C.sub.18-2-烯基，C.sub.3-C.sub.8-2-炔基或苯基-C.sub.1-C.sub.4烷基，每个基团可以是未取代的或被苯基取代的；R.sub.1为氢、C.sub.1-C.sub.18烷基、C.sub.5-C.sub.12环烷基或苯基-C.sub.1-C.sub.4烷基；R.sub.2为--OR.sub.4或--NR.sub.5R.sub.6，R.sub.4为氢、C.sub.1-C.sub.18烷基或(--CH.sub.2--).sub.nG，R.sub.5和R.sub.6各自独立地为氢、C.sub.1-C.sub.12烷基或苯基-C.sub.1-C.sub.4烷基；R.sub.7、R.sub.8、R.sub.9和R.sub.10各自独立地为氢、C.sub.1-C.sub.4烷基或C.sub.1-C.sub.4烷氧基，但至少一个基团R.sub.7、R.sub.8、R.sub.9或R.sub.10为氢；R.sub.11为氢、C.sub.1-C.sub.18烷氧基、C.sub.5-C.sub.8环烷氧基、苯基-C.sub.1-C.sub.4烷氧基或C.sub.3-C.sub.18-2-烯氧基；n为2至12的数字；G为以下公式的基团：##STR2## 本发明的化合物可用作有机材料的稳定剂。
• 3-(alkoxyphenyl)benzofuran-2-ones as stabilisers
  申请人：Ciba-Geigy Corporation

  公开号：US05367008A1

  公开（公告）日：1994-11-22

  Compounds of the formula (1), ##STR1## in which R.sub.1 is C.sub.1 -C.sub.25 alkyl, C.sub.7 -C.sub.9 phenylalkyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.sub.8 cycloalkyl; C.sub.3 -C.sub.25 alkenyl, C.sub.3 -C.sub.25 alkynyl or C.sub.3 -C.sub.25 alkyl which is interrupted by oxygen, sulfur or >N--R.sub.16, and R.sub.16 is hydrogen or C.sub.1 -C.sub.8 alkyl, R.sub.2, R.sub.3, R.sub.4 and R.sub.5, independently of one another are hydrogen, C.sub.1 -C.sub.25 alkyl, C.sub.7 -C.sub.9 phenylalkyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.sub.8 cycloalkyl; C.sub.1 -C.sub.18 alkoxy, hydroxyl, C.sub.1 -C.sub.25 alkanoyloxy, C.sub.3 -C.sub.25 alkenoyloxy, C.sub.3 -C.sub.25 alkanoyloxy which is interrupted by oxygen, sulfur or >N--R.sub.16 ; C.sub.6 -C.sub.9 cycloalkylcarbonyloxy, benzoyloxy or benzoyloxy which is substituted by C.sub.1 -C.sub.12 alkyl, and R.sub.16 is as defined above, or, furthermore, the radicals R.sub.2 and R.sub.3 or the radicals R.sub.4 and R.sub.5 together with the carbon atoms to which they are bound form a benzo ring, R.sub.4 is additionally --(CH.sub.2).sub.n --COR.sub.11, in which n is 0, 1 or 2, R.sub.11 is hydroxyl, ##EQU1## C.sub.1 -C.sub.18 alkoxy or ##STR2## R.sub.14 and R.sub.15, independently of one another are hydrogen or C.sub.1 -C.sub.18 alkyl, M is an r-valent metal cation and r is 1, 2 or 3, R.sub.7, R.sub.8, R.sub.9 and R.sub.10, independently of one another, are hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, with the proviso that at least one of the radicals R.sub.7, R.sub.8, R.sub.9 R.sub.10 is hydrogen, and, in the case where R.sub.3, R.sub.5, R.sub.6, R.sub.7 and R.sub.10 are hydrogen, R.sub.4 is additionally a radical of the formula (2) ##STR3## in which R.sub.1, R.sub.2, R.sub.8 and R.sub.9 are as defined above and R.sub.12 and R.sub.13, independently of one another, are hydrogen, CF.sub.3, C.sub.1 -C.sub.12 alkyl or phenyl, or R.sub.12 and R.sub.13 together with the carbon atom to which they are bound form a C.sub.5 -C.sub.8 cycloalkylidene ring which is unsubstituted or substituted by 1 to 3 C.sub.1 -C.sub.4 alkyl; R.sub.6 is hydrogen or a radical of the formula (3) ##STR4## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.7, R.sub.8, R.sub.9 and R.sub.10 are as defined above, are described as stabilizers for organic materials against thermal, oxidative or light-induced degradation.

  式（1）的化合物，其中R1是C1-C25烷基，C7-C9苯基烷基，未取代或取代C1-C4烷基的苯基，未取代或取代C5-C8环烷基的C1-C4烷基；C3-C25烯基，C3-C25炔基或被氧、硫或>N-R16打断的C3-C25烷基，其中R16是氢或C1-C8烷基，R2、R3、R4和R5独立地是氢，C1-C25烷基，C7-C9苯基烷基，未取代或取代C1-C4烷基的苯基，未取代或取代C5-C8环烷基的C1-C4烷基；C1-C18烷氧基，羟基，C1-C25烷酰氧基，C3-C25烯酰氧基，被氧、硫或>N-R16打断的C3-C25烷酰氧基；C6-C9环烷基羧酸酯基，苯甲酰氧基或被C1-C12烷基取代的苯甲酰氧基，其中R16如上所定义，或者，进一步地，基团R2和R3或基团R4和R5与它们结合的碳原子形成苯并环，R4另外是--（CH2）n--COR11，其中n是0、1或2，R11是羟基，C1-C18烷氧基或的R14和R15，独立地是氢或C1-C18烷基，M是r价金属阳离子，r是1、2或3，R7、R8、R9和R10，独立地是氢，C1-C4烷基或C1-C4烷氧基，但至少一个基团R7、R8、R9、R10是氢，在R3、R5、R6、R7和R10是氢的情况下，R4另外是式（2）的基团 其中，R1、R2、R8和R9如上所定义，R12和R13独立地是氢，CF3，C1-C12烷基或苯基，或者R12和R13与它们结合的碳原子形成未取代或取代1至3个C1-C4烷基的C5-C8环烷基亚甲基环，R6是氢或式（3）的基团 其中，R1、R2、R3、R4、R5、R7、R8、R9和R10如上所定义，被描述为有机材料对热、氧化或光诱导降解的稳定剂。