نتایج جستجو برای: silylation

تعداد نتایج: 439  

2010
Takahiro Takei Qiang Dong Yoshinori Yonesaki Nobuhiro Kumada Nobukazu Kinomura

Ternary hybrid film composed of -zirconium phosphate nanosheet, 1,2-bis(dimethylchlorosilyl)ethane and polypyrrole was prepared by anodic electrodeposition. In the hybrid film, ordered -zirconium nanosheets with grafts by silylation lay down parallel to the substrate and the polypyrrole molecules were intercalated between the nanosheets. The electrochemical measurements confirmed that the hyb...

Journal: :Chemical communications 2015
Yuanda Hua Parham Asgari Udaya Sree Dakarapu Junha Jeon

This work describes the design and application of a single-pot, reductive arene C-H silanolization of aromatic esters for synthesis of ortho-formyl arylsilanols. This strategy involves a sequence of two transition metal (Ir and Rh)-catalyzed reactions for reductive arene ortho-silylation directed by hydridosilyl acetals and hydrolysis.

Journal: :Chemical communications 2005
Tatsuo Ishiyama Kazuaki Sato Yukihiro Nishio Takeaki Saiki Norio Miyaura

The aromatic C-H silylation of five-membered heteroarenes with 1,2-di-tert-butyl-1,1,2,2-tetrafluorodisilane regioselectively proceeded at 120 degrees C in octane in the presence of a catalytic amount of iridium(I) complexes generated from 1/2[Ir(OMe)(COD)]2 and 2-tert-butyl-1,10-phenanthroline.

Hassan Tajik, Khodabakhsh Niknam Somayeh Karimian

In this research, different alcohols and phenols are subjected to the reaction with HMDS in the presence of ionic liquid and silica-supported catalysts. Silylation was accomplished under mild reaction conditions at room temperature in short reaction times and good to excellent yields.

Journal: :Journal of Photopolymer Science and Technology 2001

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