نتایج جستجو برای: phenylacetamide derivatives

تعداد نتایج: 104984  

Journal: :Chemical communications 2009
Hwan Myun Kim Mun Sik Seo Seung-Joon Jeon Bong Rae Cho

Hexa-substituted benzene derivatives show larger two-photon cross sections than the corresponding dipolar counterparts and the largest values of delta(max) = 2000 GM and delta(max)/MW = 2.25 GM g(-1) have been obtained with a compound having C[triple bond]C and C=C bonds in the conjugation bridge.

Journal: :Dalton transactions 2015
Jian-Jun Liu Ying-Fang Guan Yong Chen Mei-Jin Lin Chang-Cang Huang Wen-Xin Dai

We have successfully developed a new synthetic approach to modulate the electrostatic potentials of metallocavitands and thus their selective recognition towards substituted benzene derivatives via integrating two metal cations of different electronegativity into a self-assembled system.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...

Journal: :Acta Crystallographica Section E Structure Reports Online 2010

Journal: :Zeitschrift für Kristallographie - New Crystal Structures 2020

2000
Pavel Mrázek

We consider the task of filtering the noise from images and other types of inputs which are assumed to be piecewise continuous and piecewise monotone. We show that nonlinear diffusion of the data, a powerful filtering method, is too restrictive for such a case, leading to piecewise constant functions. We claim that the piecewise monotonicity can be enhanced by nonlinear diffusion of first parti...

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