Herein we report a novel Cu-catalyzed regioselective C2–H alkylation of benzimidazoles with aromatic alkenes. The reaction features exclusive regioselectivity and broad substrate scope in the intermolecular alkylation of benzimidazoles with terminal and internal aromatic alkenes, constituting a modular access toward benzimidazole-containing 1,1-di(hetero)aryl alkanes. The intramolecular C2–H alkylation
A new “traceless” solid-phase synthesis strategy: Synthesis of a benzimidazole library
作者:Wolin Huang、Robert M. Scarborough
DOI:10.1016/s0040-4039(99)00293-2
日期:1999.4
“traceless” solid-phase synthesis has been developed. Using this strategy, a “traceless” benzimidazole library with diversity on the benzene moiety was synthesized efficiently in high yield with high purity. During the final step of this new synthetic sequence, cleavage and cyclic nucleus elaboration take place by a series of substitution and elimination reactions on the solidphase followed by release
Opthalmic compositions for treating ocular hypertension
申请人:Chen Meng Hsin
公开号:US20060148805A1
公开(公告)日:2006-07-06
This invention relates to the use of potent potassium channel blockers or a formulation thereof in the treatment of glaucoma and other conditions which leads to elevated intraoccular pressure in the eye of a patient. This invention also relates to the use of such compounds to provide a neuroprotective effect to the eye of mammalian species, particularly humans.
NONAQUEOUS ELECTROLYTE AND NONAQUEOUS SECONDARY BATTERY
申请人:Asahi Kasei Kabushiki Kaisha
公开号:EP3279997A1
公开(公告)日:2018-02-07
The purpose of the present invention is to provide a nonaqueous electrolyte that contains acetonitrile having an excellent balance between viscosity and the dielectric constant and a fluorine-containing inorganic lithium salt, wherein the generation of complex cations comprising a transition metal and acetonitrile is suppressed, excellent load characteristics are exhibited, and increases in internal resistance upon repeated charge/discharge cycles are suppressed; a further purpose of the present invention is to provide a nonaqueous secondary battery. The present invention relates to a nonaqueous electrolyte which contains: a nonaqueous solvent comprising acetonitrile; a fluorine-containing inorganic lithium salt; and a specific nitrogenous cyclic compound typified by benzotriazole.
Nonaqueous electrolyte and nonaqueous secondary battery
申请人:Asahi Kasei Kabushiki Kaisha
公开号:US10756394B2
公开(公告)日:2020-08-25
The purpose of the present invention is to provide a nonaqueous electrolyte that contains acetonitrile having an excellent balance between viscosity and the dielectric constant and a fluorine-containing inorganic lithium salt, wherein the generation of complex cations comprising a transition metal and acetonitrile is suppressed, excellent load characteristics are exhibited, and increases in internal resistance upon repeated charge/discharge cycles are suppressed; a further purpose of the present invention is to provide a nonaqueous secondary battery. The present invention relates to a nonaqueous electrolyte which contains: a nonaqueous solvent comprising acetonitrile; a fluorine-containing inorganic lithium salt; and a specific nitrogenous cyclic compound typified by benzotriazole.