نتایج جستجو برای: fluoro

تعداد نتایج: 7619  

Journal: :Journal of Materials Chemistry C 2022

Herein, we have reported a para -fluoro thiol click reaction allowing control of the microphase separation and dielectric properties poly(pentafluorostyrene- b -acrylic acid) copolymers.

2010
Hong Dae Choi Pil Ja Seo Byeng Wha Son Uk Lee

In the title compound, C(16)H(13)FO(2)S, the O atom and the 4-fluoro-phenyl group of the 4-fluoro-phenyl-sulfinyl substituent are located on opposite sides of the plane through the benzofuran fragment; the 4-fluoro-phenyl ring is nearly perpendicular to this plane, making a dihedral angle of 87.41 (3). The crystal structure exhibits a weak inter-molecular C-H⋯O hydrogen bond.

Journal: :International journal of engineering and advanced technology 2022

Manufacturing process and performance analysis of a non-frost refrigeration system are presented in this paper. Main objectives research were to suggest better refrigerant as well propose technique for further reduction the power consumption system. Performance was evaluated Tetra-fluoro-ethane Isobutene refrigerant. From experiment, it is found that, coefficient with than Tetra-fluoro-ethane. ...

Journal: :European journal of pharmacology 1992
M Waelbroeck J Camus M Tastenoy E Mutschler C Strohmann R Tacke L Schjelderup A Aasen G Lambrecht J Christophe

We investigated the binding properties of the (R)- and (S)-enantiomers of the muscarinic antagonists trihexyphenidyl, procyclidine, hexahydro-difenidol, p-fluoro-hexahydro-difenidol, hexbutinol, p-fluoro-hexbutinol, and their corresponding methiodides at muscarinic M1, M2, M3 and M4 receptor subtypes. In addition, binding properties of the (R)- and (S)-enantiomers of oxyphencyclimine were studi...

2012
Liping Fu Mei Liu Zhigang Song Baixuan Xu Jiahe Tian

UNLABELLED INTRODUCTION Rosai-Dorfman disease, also known as sinus histiocytosis with massive lymphadenopathy, is a rare benign disorder characterized histologically by lymphatic sinus dilatation due to histiocyte proliferation. Rosai-Dorfman disease accompanied by IgG4+ plasma cell infiltration is an even rarer situation. To the best of our knowledge, no imaging report of fluoro-deoxyglucos...

2010
Hong Dae Choi Pil Ja Seo Byeng Wha Son Uk Lee

In the title compound, C(15)H(11)FO(2)S, the O atom and the 4-fluoro-phenyl group of the 4-fluoro-phenyl-sulfinyl substituent lie on opposite sides of the plane of the benzofuran fragment; the 4-fluoro-phenyl ring is almost perpendicular to this plane [dihedral angle = 89.59 (5)°]. Inter-molecular C-H⋯F and C-H⋯O hydrogen bonds link the mol-ecules together in the crystal structure.

2003
E. KuN D. W. FANSHIER

In a previous publication (1) we have described the synthesis and chemical properties of /3-fluoro-oxaloacetic acid. This acid was found to be a potent inhibitor of mitochondriil malic dehydrogenase (1,2). It is probable that fluoro-oxaloacetate inhibits other enzymes which react with oxaloacetate. We have performed further experiments in order to test this hypothesis. As a part of this study t...

Journal: :Chemical Communications 2021

Rapid Pd-catalyzed S-arylation with easily accessible 2-[18F]fluoro-5-iodopyridine enables facile preparation of radiolabeled peptides and proteins.

Journal: :Bioorganic & medicinal chemistry 2006
Atanu Roy Tesfaye Serbessa Stewart W Schneller

The promising antiviral properties of 3'-fluoro-3'-deoxyadenosine and 4',4'-difluoro-4'-deoxy-5'-noraristeromycin prompted the synthesis of the corresponding 3'-fluoro derivatives of 5'-noraristeromycin. These target compounds, which were prepared from the same readily accessible cyclopentenol, were found to be inactive when subjected to 31 viral assays. The results have some implications on th...

Journal: :The Journal of Experimental Medicine 1967
Robert M. Fauve Cynthia H. Pierce-Chase

In a comparative study concerning the effect of corticosteroids on host resistance to infections, five compounds were found to decrease host resistance, while three did not have this property, although all eight compounds were highly antiinflammatory. The compounds capable of decreasing host resistance were (I) hydrocortisone acetate; (III) 9alpha-fluoro, 16alpha-methylprednisolone acetate; (IV...

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