2-(Di-t-butylphosphino)biphenyl 2-(二叔丁基膦)联苯

CAS 224311-51-7 MFCD01862440

化学结构图

224311-51-7
SMILES: CC(C)(C)P(C1=CC=CC=C1C1C=CC=CC=1)C(C)(C)C

化学属性

TSCANo
SolubilitySoluble in toluene. Insoluble in water.
Stability对空气敏感
Mol. FormulaC20H27P
Mol. Weight298.41
Appearance white xtl.
Melting Point86-88
Density1.000000

别名和识别编码

Chemical Name2-(Di-t-butylphosphino)biphenyl
Alfabeta NameDIBUTYLPHOSPHINOBIPHENYL T2()---
Synonym (2-Biphenylyl)-di-tert-butylphosphine (2-Biphenylyl)di-tert-butylphosphine, JohnPhos (2-联苯基)二-叔丁基膦 2-(二-叔-丁基膦基)联苯 2-(二叔丁基膦)联苯 JohnPhos (2-联苯基)二-叔丁基膦 2-(二-叔-丁基膦基)联苯 JohnPhos (2-联苯基)二叔丁基膦 (2-联苯基)二叔丁基膦; (2-联苯基)二-叔丁基膦;2-(二-叔-丁基膦基)联苯 2-(二叔丁基膦)联苯
PubChem Substance ID87558786
Beilstein Registry Number8322131
EC Number000-000-0
Reaxys-RN8322131
Chemical Name Translation2-(二叔丁基膦)联苯
LabNetwork Molecule IDLN00118638
MDL NumberMFCD01862440
CAS Number224311-51-7
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分类

  • {SNA} Buchwald Ligands, Buchwald Ligands and Complexes, Catalysis and Inorganic Chemistry, Chemical Synthesis, Cross-Coupling, Phosphine Compounds
  • {SNA} Buchwald Ligands, Buchwald Ligands and Complexes, Catalysis and Inorganic Chemistry, Chemical Synthesis, Cross-Coupling, Ligands, Phosphine Compounds
  • {SNA} Buchwald Ligands, Buchwald Ligands, Buchwald Ligands and Complexes, Catalysis and Inorganic Chemistry, Chemical Synthesis, Cross-Coupling, Phosphine Compounds

产品应用

  • 用于 α,α-双取代-3-噻吩甲醇经 Pd 催化的 2,3-二芳基化使 C-H 和 C-C 键断裂的大位阻膦配体。
  • 用于芳基卤和芳基三氟甲磺酸酯胺化的配体。
  • 用于钯催化 Stille 交叉偶联反应的大位阻联芳膦配体。

相关文献及参考

  • Hindered ligand, employed by Buchwald and others in otherwise difficult coupling reactions. For use in Suzuki coupling of boronic acids with aryl chlorides, see: Angew. Chem. Int. Ed., 38, 2413 (1999); J. Am. Chem. Soc., 121, 9550 (1999). Also promotes the Pd-catalyzed coupling of silylamines with aryl halides to give N,N-dialkyl anilines: Chem. Commun., 1976 (2004).

安全信息

Warnings AIR SENSITIVE
Hazard statements
  • H315 Causes skin irritation 会刺激皮肤
  • H413 Maycauselonglastingharmfuleffectstoaquaticlife 可能对水生生物造成长期持续有害影响。
WGK Germany3
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Safety Statements
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
  • S37 Wear suitable gloves 戴适当手套;
Risk Statements
  • R22 Harmful if swallowed 吞咽有害
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
Signal word Warning
Precautionary statements
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P301+P312
  • P302+P350
  • P302+P352
  • P302+P352+P332+P313+P362+P364
  • P305+P351+P338
  • P305+P351+P338+P337+P313
  • P332+P313
  • P337+P313
  • P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服,清洗后方可重新使用
GHS Symbol
Storage condition 充氩保存

其他信息

  • A ligand utilized in amination of aryl halides and aryl triflates.

系列性分类


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