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扁桃酸铵 | 530-31-4

中文名称
扁桃酸铵
中文别名
化合物 T30005
英文名称
ammonium mandelate
英文别名
Benzeneacetic acid, alpha-hydroxy-, ammonium salt;azanium;2-hydroxy-2-phenylacetate
扁桃酸铵化学式
CAS
530-31-4
化学式
C8H7O3*H4N
mdl
——
分子量
169.18
InChiKey
BDEXTKUJIZCFST-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 熔点:
    131-132 °C

计算性质

  • 辛醇/水分配系数(LogP):
    0.97
  • 重原子数:
    12
  • 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:
    58.5
  • 氢给体数:
    3
  • 氢受体数:
    4

安全信息

  • 海关编码:
    2918199090
  • 储存条件:
    库房应保持通风、低温和干燥。

SDS

SDS:b16545549c1e9ef76c19c34517803d5a
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制备方法与用途

类别:有毒物品

毒性分级:低毒

急性毒性:

  • 口服(大鼠)LD₅₀:5000 毫克/公斤
  • 口服(小鼠)LD₅₀:5000 毫克/公斤

可燃性危险特性:高温下产生有毒的氮氧化物和氨烟雾

储运特性:库房应通风、低温且干燥

灭火剂:干粉、泡沫、砂土、二氧化碳或雾状水

反应信息

  • 作为反应物:
    描述:
    gadolinium(III) nitrate hexahydrate 、 扁桃酸铵 为溶剂, 生成
    参考文献:
    名称:
    作为混合氧化物原料的配位化合物
    摘要:
    摘要 铜(II)-镧系元素(III) 络合物,(CuLn 2 (C 8 H 7 O 3 ) 6 (OH) 2 · n H 2 O (Ln = La, Sm, n = 1; Ln = Pr, Nd , Eu, Gd, n = 3), 通过元素分析、电导率和磁化率测量以及红外和电子光谱进行制备和表征。这些配合物的热分解已经使用 TG 和 DTG 技术在空气和氩气中进行了研究。 TG 曲线显示分解的三个主要步骤。中间体碳酸盐和最终分解产物通过 X 射线衍射、红外光谱和磁化率测量进行表征。最终产物是相应的 CuLn 2 O 4 (Ln = La-Gd) ,甚至可以在低于 800°C 的温度下通过配位化合物的等温分解获得。
    DOI:
    10.1016/0040-6031(91)80314-9
  • 作为产物:
    描述:
    扁桃酸 、 alkaline earth salt of/the/ methylsulfuric acid 在 作用下, 生成 扁桃酸铵
    参考文献:
    名称:
    US2220692
    摘要:
    公开号:
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文献信息

  • Process for producing R(-)-mandelic acid and derivatives thereof
    申请人:Nitto Chemical Industry Co., Ltd.
    公开号:US05223416A1
    公开(公告)日:1993-06-29
    A process for the predominantly producing R(-)-mandelic acid or a derivative thereof which comprises subjecting (i) R,S-mandelonitrile or a derivative thereof, or (ii) a mixture of prussic acid and benzaldehyde or a derivative of benzaldehyde to the action of a microorganism selected from the group consisting of the genus Aureobacterium, Pseudomonas, Caseobacter, Alcaligenes, Acinetobacter, Brevibacterium, Nocardia, and Bacillus or treated cells thereof, which the microorganism is capable of stereospecifically hydrolyzing a nitrile group of the R,S-mandelonitrile or a derivative thereof, in a neutral or basic aqueous reaction system to produce the R(-)-mandelic acid.
    一种主要生产R(-)-苯甲酸或其衍生物的方法,包括将(i)R,S-苯甲腈或其衍生物,或(ii)氢氰酸和苯甲醛或苯甲醛衍生物的混合物,经过从属于Aureobacterium属,Pseudomonas属,Caseobacter属,Alcaligenes属,Acinetobacter属,Brevibacterium属,Nocardia属和Bacillus属的微生物或其处理细胞的作用,该微生物能够立体选择性水解R,S-苯甲腈或其衍生物的腈基,在中性或碱性水反应体系中产生R(-)-苯甲酸。
  • Process for producing a-hydroxy acid ammonium salt
    申请人:Kobayashi Yoichi
    公开号:US20050176116A1
    公开(公告)日:2005-08-11
    The present invention provides a method for producing. a-hydroxy acid ammonium salt that uses a specific microbial strain capable of accumulating α-hydroxy acid ammonium salt at a high concentration while also maintaining an industrially satisfactory production rate for a long period of time. More specifically, the present invention uses a microbial catalyst originating in a microbial strain which, during conversion of α-hydroxynitrile to α-hydroxy acid ammonium salt, is capable of maintaining the average production rate of α-hydroxy acid ammonium salt at at least 100 μmol/min per g of dry microbial cell weight for 14 days or more without adding fresh microbial catalyst, and is capable of accumulating the α-hydroxy acid ammonium salt at 20 to 60% by weight. An example of this microbial strain is Arthrobacter sp. strain NSSC204.
    本发明提供了一种生产α-羟基酸铵盐的方法,该方法使用一种特定的微生物菌株,该菌株能够在长时间内保持工业上满意的生产速率,同时能够以高浓度积累α-羟基酸铵盐。更具体地说,本发明使用一种微生物催化剂,该催化剂源自一种微生物菌株,该菌株在将α-羟基腈转化为α-羟基酸铵盐过程中,能够在不添加新的微生物催化剂的情况下,将α-羟基酸铵盐的平均生产速率保持在每克干微生物细胞重至少100μmol/min以上,且能够将α-羟基酸铵盐积累到20%至60%的重量。这种微生物菌株的一个例子是Arthrobactersp.菌株NSSC204。
  • Process for the isolation of a solid salt of p-hydroxymandelic acid; some salts of p-hydroxymandelic acid
    申请人:BEECHAM GROUP PLC
    公开号:EP0024181A1
    公开(公告)日:1981-02-25
    A process for the isolation of a solid salt of p-hydroxymandelic acid, which process comprises reacting phenol with glyoxylic acid in the presence of sodium or potassium hydroxide, acidifying to a pH less than 3, extracting the resulting solution with a water-immiscible solvent to provide a solution of p-hydroxymandelic acid and precipitating the salt therefrom; solid ammonium or substituted ammonium salt of p-hydroxymandelic acid.
    一种分离对羟基扁桃酸固体盐的工艺,该工艺包括在氢氧化钠或氢氧化钾存在下使苯酚与乙醛酸反应,酸化至pH值小于3,用不溶于水的溶剂萃取所得溶液以提供对羟基扁桃酸溶液,并从中析出盐;对羟基扁桃酸的固体铵盐或取代铵盐。
  • Preparation of N-acyl alkylamines
    申请人:SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
    公开号:EP0399589A1
    公开(公告)日:1990-11-28
    N-Acyl-1-methyl-omega-phenylalkylamines predominantly in the form of the R enantiomer, are prepared by a process using a biocatalyst capable of stereoselectively hydrolysing the N-acyl group of the S enantiomer and recovering the remaining N-acyl-1-methyl-omega-phenylalkylamine predominantly in the form of the R enantiomer. The S enantiomer may be hydrolysed to yield the S enantiomer of the corresponding amine, which may be recovered.
    主要以 R 对映体形式存在的 N-酰基-1-甲基-ω-苯基烷基胺,是通过使用一种生物催化剂制备的,该催化剂能够立体选择性地水解 S 对映体的 N-酰基,并回收剩余的主要以 R 对映体形式存在的 N-酰基-1-甲基-ω-苯基烷基胺。S 对映体水解后可得到相应胺的 S 对映体,并可回收。
  • Process for buffering concentrated aqueous slurries
    申请人:EASTMAN KODAK COMPANY
    公开号:EP0720046A2
    公开(公告)日:1996-07-03
    A process for buffering concentrated aqueous slurries comprising the steps of:    providing a particulate solid substance comprising a weak acid functional group, having effective pKa1 > 1 and less than 1% by weight aqueous solubility at pH = pKa1;    providing an aqueous solution consisting essentially of water or a mixture of water with water-miscible solvent, at pH less than the greater of 7 and pKa1 + 2;    providing a buffering salt of a weak acid, where the weak acid associated with this buffering salt has pKa2 and wherepKa1 - 2 ≦ pKa1'; and    combining said aqueous solution, said particulate solid substance, and said buffering salt to form a slurry;    wherein said process is essentially devoid of any step comprising the addition of any weak acid, other than that arising from reaction between said buffering salt and said particulate solid substance, having greater than 2% by weight aqueous solubility at pH = pKa1 is disclosed. An aqueous-based slurry comprising:    a particulate solid substance comprising a weak acid functional group having effective pKa1 > 1 and less than 1% by weight aqueous solubility at pH = pKa1;    an aqueous continuous phase at pH < pKa1 + 3;    a buffering salt of a weak acid, where the weak acid associated with this buffering salt has pKa1' and wherepKa1 - 2 ≦ pKa1'; and    where the incremental molar ionic strength in the continuous phase of said slurry resulting from said buffering salt is less than 0.04 mol/L is disclosed. A process for dispersing a particulate solid substance in a continuos aqueous phase comprising the steps of:    providing a comminution reactor;    providing a particulate solid substance comprising a weak acid functional group, having effective pKa1 > 1 and less than 1% by weight aqueous solubility at pH = pKa1;    providing an aqueous solution consisting essentially of water or a mixture of water with water-miscible solvent, at pH less than the greater of 7 and pKa1 + 2;    providing a buffering salt of a weak acid, where the weak acid associated with this buffering salt has pKa1' and wherepKa1 - 2 ≦ pKa1';    providing milling media;    combining said particulate solid substance, said aqueous solution, said buffering salt, and said milling media in said comminution reactor to produce a multiphase mixture; and    milling said mixture to produce a reduced particle size slurry of said particulate solid substance is disclosed.
    一种缓冲浓缩水浆的工艺,包括以下步骤 提供一种含有弱酸官能团的颗粒状固体物质,其有效 pKa1 > 1,且在 pH = pKa1 时的水溶性小于 1%(按重量计); 提供一种主要由水或水与水混溶溶剂的混合物组成的水溶液,pH 值小于 7 和 pKa1 + 2 中的较大值; 提供弱酸缓冲盐,其中与该缓冲盐相关的弱酸具有 pKa2 且 pKa1 - 2 ≦ pKa1';以及 将所述水溶液、所述颗粒状固体物质和所述缓冲盐混合形成浆液; 其中所述工艺基本上不包括添加任何弱酸的步骤,但所述缓冲盐和所述颗粒状固体物质之间的反应所产生的弱酸除外,本发明公开了在 pH = pKa1 时水溶性大于 2% (按重量计)的弱酸。 一种水基浆料,包括 含有弱酸官能团的颗粒状固体物质,其有效 pKa1 > 1,在 pH = pKa1 时的水溶性小于 1%(重量比); 在 pH < pKa1 + 3 时的连续水相; 弱酸的缓冲盐,其中与该缓冲盐相关的弱酸具有 pKa1',且 pKa1 - 2 ≦ pKa1';以及由所述缓冲盐产生的所述浆液连续相中的摩尔离子强度增量小于 0.04 mol/L。 一种在连续水相中分散颗粒固体物质的工艺,包括以下步骤 提供一个粉碎反应器; 提供一种包含弱酸官能团的颗粒状固体物质,其有效 pKa1 > 1,在 pH = pKa1 时的水溶性小于 1%(按重量计); 提供一种主要由水或水与水混溶溶剂的混合物组成的水溶液,pH 值小于 7 和 pKa1 + 2 中的较大值; 提供弱酸缓冲盐,其中与该缓冲盐相关的弱酸具有 pKa1',且 pKa1 - 2 ≦ pKa1'; 提供研磨介质; 在所述粉碎反应器中将所述颗粒固体物质、所述水溶液、所述缓冲盐和所述研磨介质混合,以产生多相混合物;以及 公开了研磨所述混合物以产生所述颗粒状固体物质的粒径减小浆料的方法。
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