نتایج جستجو برای: 4 bromo 3

تعداد نتایج: 2484743  

2010
Grzegorz Dutkiewicz C. S. Chidan Kumar H. S. Yathirajan B. Narayana Maciej Kubicki

In the title compound, C(24)H(21)BrO(3), the central bromo-methoxy-benzene ring forms dihedral angles of 63.6 (1) and 60.3 (1)° with the terminal phenyl rings, while the angle between the two phenyl rings is 25.8 (1)°. The crystal structure is stabilized by weak C-H⋯Br and C-H⋯O hydrogen bonds, and C-H⋯π and π-π stacking [centroid-centroid distance = 3.910 (3) Å] inter-actions.

Journal: :Acta Crystallographica Section E Structure Reports Online 2009

Journal: :Acta Crystallographica Section E Structure Reports Online 2011

Journal: :Molbank 2023

Reactions of 3-bromo-4-phenylisothiazole-5-carboxamide and 3-bromoisothiazole-5-carboxamide with NaNO2 (4 equiv.), in TFA, at ca. 0 °C gave the carboxylic acid products 99% 95% yields, respectively. The two compounds were fully characterized.

Journal: :Organic & biomolecular chemistry 2007
Irene C Christoforou Panayiotis A Koutentis

The regiocontrolled preparation of triarylisothiazoles is presented. 3-Halo-5-phenylisothiazole-4-carbonitriles, 1 (hal=Cl) and 18 (hal=I), are converted into the corresponding 4-bromo derivatives 5 (3-hal=Cl) and 24 (3-hal=I) via a Hunsdiecker strategy while the 4-iodo analogues 7 (3-hal=Cl) and 22 (3-hal=I) are prepared via a Hoffmann and Sandmeyer strategy. Regioselective Suzuki, Stille and ...

Journal: :Acta Crystallographica Section E Structure Reports Online 2009

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