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L-alanine benzhydryl ester hydrotosylate | 5042-84-2

中文名称
——
中文别名
——
英文名称
L-alanine benzhydryl ester hydrotosylate
英文别名
p-TosOH*H-Ala-ODpm;H-Ala-ODpm p-toluenesulfonate
L-alanine benzhydryl ester hydrotosylate化学式
CAS
5042-84-2
化学式
C7H8O3S*C16H17NO2
mdl
——
分子量
427.521
InChiKey
ATKVECGYAVKCFM-YDALLXLXSA-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

计算性质

  • 辛醇/水分配系数(LogP):
    3.91
  • 重原子数:
    30.0
  • 可旋转键数:
    5.0
  • 环数:
    3.0
  • sp3杂化的碳原子比例:
    0.17
  • 拓扑面积:
    106.69
  • 氢给体数:
    2.0
  • 氢受体数:
    5.0

反应信息

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文献信息

  • A Novel Prodrug of a γ-Glutamylcyclotransferase Inhibitor Suppresses Cancer Cell Proliferation in vitro and Inhibits Tumor Growth in a Xenograft Mouse Model of Prostate Cancer
    作者:Hiromi Ii、Taku Yoshiya、Susumu Nakata、Keiko Taniguchi、Koushi Hidaka、Shugo Tsuda、Masayoshi Mochizuki、Yuji Nishiuchi、Yuko Tsuda、Kosei Ito、Susumu Kageyama、Tatsuhiro Yoshiki
    DOI:10.1002/cmdc.201700660
    日期:2018.1.22
    ase (GGCT) depletion inhibits cancer cell proliferation. However, whether the enzymatic activity of GGCT is critical for the regulation of cancer cell growth remains unclear. In this study, a novel diester‐type cell‐permeable prodrug, pro‐GA, was developed based on the structure of N‐glutaryl‐l‐alanine (GA), by structure optimization using temporary fluorophore‐tagged prodrug candidates. The antiproliferative
    γ-谷酰环转移酶(GGCT)耗竭抑制癌细胞的增殖。然而,尚不清楚GGCT的酶促活性对于调节癌细胞的生长是否至关重要。在这项研究中,基于N-谷酰-l的结构开发了一种新型的二酯型细胞渗透性前药pro-GA。-丙酸(GA),通过使用临时荧光团标记的前药候选物进行结构优化。使用过表达GGCT的NIH-3T3细胞和人类癌细胞(包括MCF7,HL-60和PC3细胞)证明了pro-GA的抗增殖活性。相比之下,pro-GA处理对正常细胞没有显着影响。此外,使用接种PC3细胞的免疫功能低下的小鼠,pro-GA给药在异种移植模型中显示出抗癌作用。这些结果表明,GGCT的酶促活性加速了肿瘤的生长,并且GGCT抑制是治疗GGCT过表达的肿瘤的一种有前途的治疗策略。
  • Aluminoxy acetals from .alpha.-amino esters: chirality transfer via sequential addition of hydride and C-nucleophiles. 2-Amino alcohols and sphingosines
    作者:Robin Polt、Matt A. Peterson、Lynn DeYoung
    DOI:10.1021/jo00046a032
    日期:1992.9
    The reaction of alpha-imino esters (O'Donnell's Schiff bases) with aluminum hydrides to produce acetal-like intermediates and subsequent reaction with carbon nucleophiles has been studied. Treatment of optically pure imine-protected amino esters with iBu2AlH or iBuAlH.Bu3Al, followed by RMgX or RLi provided threo-2-amino alcohols in high yield (73-85%) and excellent ''syn'' stereoselectivity (8:1 to >20.1, threo or like product preferred). Use of nonpolar solvents (CH2Cl2-hexane) provided the highest stereoselectivities. Use of the less-reactive iBu2AlH.iBu3Al complex lowered the amount of undesired primary alcohol products observed. Thermally labile aluminoxy acetal intermediates were observed by H-1 NMR and were trapped with N-(trimethylsilyl)imidazole to produce relatively stable monosilyl acetals (mixed acetals). Alanine-derived Schiff bases 2a-e showed a correlation between the steric bulk of the ester and threo selectivity The presence of THF reduced this correlation, suggesting the C-nucleophile addition involves a Lewis acid-assisted S(N)2-like displacement of the aluminoxy acetal or displacement of a tight-ion pair. In addition to the synthesis of optically pure arylethanolamines 6a-d from representative amino acids, threo-sphingosines 8a-d were synthesized from L-serine-derived Schiff base 4b, and 1-deoxy-threo-sphingosines 9a-d were synthesized from L-alanine in a similar fashion. Experimental details are provided.
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