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tert-butyl 2-phenylthiazole-4-carboxylate | 1037746-97-6

中文名称
——
中文别名
——
英文名称
tert-butyl 2-phenylthiazole-4-carboxylate
英文别名
Tert-butyl 2-phenyl-1,3-thiazole-4-carboxylate;tert-butyl 2-phenyl-1,3-thiazole-4-carboxylate
tert-butyl 2-phenylthiazole-4-carboxylate化学式
CAS
1037746-97-6
化学式
C14H15NO2S
mdl
——
分子量
261.345
InChiKey
SQOUNLUDANLAQO-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

计算性质

  • 辛醇/水分配系数(LogP):
    3.8
  • 重原子数:
    18
  • 可旋转键数:
    4
  • 环数:
    2.0
  • sp3杂化的碳原子比例:
    0.29
  • 拓扑面积:
    67.4
  • 氢给体数:
    0
  • 氢受体数:
    4

反应信息

  • 作为反应物:
    描述:
    碘苯tert-butyl 2-phenylthiazole-4-carboxylate 在 palladium diacetate 、 caesium carbonate2-(二环己基膦基)联苯 作用下, 以 N,N-二甲基甲酰胺 为溶剂, 反应 18.0h, 以17%的产率得到tert-butyl 2,5-diphenylthiazole-4-carboxylate
    参考文献:
    名称:
    机构选型区域控制在基本辅助,钯催化直接Ç ?H与卤化物的偶联:恶唑和噻唑-4-羧酸盐的第一种方法
    摘要:
    两个基地辅助非一致金属化-去质子化(NCMD)和协同金属化-去质子化(CMD)已被确定为在钯催化的直接C上两个有效的操作机构通过与卤化物恶唑的耦合和噻唑-4-羧酸酯ħ碱和溶剂效应实验。然后通过控制电子和空间因素之间的平衡,设计了恶唑和噻唑-4-羧酸酯系列中新颖的C2和C5选择性CMD直接芳基化方法。值得注意的是,钯催化剂和底物之间的电荷相互作用被确定为控制选择性和减少CMD反应中空间因素的影响的参数。
    DOI:
    10.1002/chem.201101615
  • 作为产物:
    描述:
    tert-butyl thiazole-4-carboxylate氯苯 在 palladium diacetate 、 caesium carbonate正丁基二(1-金刚烷基)膦 作用下, 以 N,N-二甲基甲酰胺 为溶剂, 反应 18.0h, 以70%的产率得到tert-butyl 2-phenylthiazole-4-carboxylate
    参考文献:
    名称:
    Ligand controlled orthogonal base-assisted direct C–H bond arylation in oxa(thia)zole-4-carboxylate series. New insights in nCMD mechanism
    摘要:
    Alkyl- and arylphosphines have been screened in competitive C2-H/C5-H direct phenylation of oxa(thia)zole-4-carboxylates using Cs2CO3 and Rb2CO3 carbonate bases. nCMD-based C2-H selective direct phenylation was highly kinetically reduced (or enhanced) in favor (or to the detriment) of CMD-based direct C5-H phenylation with bromo- and chlorobenzene, respectively, using highly electron-rich ligands. These results gave novel experimental proof in favor of the electrophilic substitution-type mechanism for nCMD process based upon a prior nitrogen-arylpalladium complex interaction that preludes the deprotonation step. (C) 2013 Elsevier Ltd. All rights reserved.
    DOI:
    10.1016/j.tet.2013.01.073
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文献信息

  • Direct C-2 Arylation of Alkyl 4-Thiazolecarboxylates: New Insights in Synthesis of Heterocyclic Core of Thiopeptide Antibiotics
    作者:Thibaut Martin、Cécile Verrier、Christophe Hoarau、Francis Marsais
    DOI:10.1021/ol801035c
    日期:2008.7.3
    The Pd(0)-catalyzed regioselective C-2 (hetero)arylation of tert-butyl 4-thiazolecarboxylate with a broad (hetero)aryl halide is reported, including the direct coupling of pyridinyl halides. The process has allowed the preparation of valuable 2-pyridynyl-4-thiazolecarboxylates which are components of the complex heterocyclic core of thiopeptides antibiotics. As a first application, a synthesis of a tert-butyl sulfomycinamate thio-analogue from tert-butyl 4-thiazolecarboxylate is here described through a three-step direct pyridinylation, halogenation, and Stille cross-coupling sequence.
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