N-Benzoyl-4,4-dimethyl-2-methylamino-2-thiazoline as a Chemoselective Benzoylating Reagent
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چکیده
منابع مشابه
N-Benzoyl-2-methylbenzenesulfonamide
In the title compound, C(14)H(13)NO(3)S, the conformation of the N-H bond in the C-SO(2)-NH-C(O) segment is anti to the C=O bond. The tolyl and benzoyl groups are twisted about the S-N bond, with a C-S-N-C torsion angle of 68.8 (4)°. The dihedral angle between the sulfonyl and the benzoyl benzene rings is 73.9 (1)°. In the crystal, the mol-ecules are linked into C(4) chains along the c axis by ...
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In the crystal structure of the title compound, C(13)H(10)ClNO(3)S, the conformation of the of the N-H bond in the C-SO(2)-NH-C(O) segment is anti to the C=O bond. The dihedral angle between the two benzene rings is 73.3 (1)°. In the crystal, inversion dimers linked by pairs of N-H⋯O hydrogen bonds occur.
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In the title compound, C(13)H(10)N(2)O(5)S, the N-C bond in the C-SO(2)-NH-C segment has gauche torsion angles with respect to the S=O bonds. The conformation between the N-H bond and the ortho-nitro group in the sulfonyl benzene ring is syn. The mol-ecule is twisted at the S-N bond with a torsion angle of -63.4 (2)°. The sulfonyl benzene ring is tilted by 77.1 (1)° relative to the -SO(2)-NH-C-...
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In the title compound, C(17)H(16)ClNO(2), the N=C-O-C-C fragment is planar within 0.029 (1) Å, and makes dihedral angles of 66.71 (8) and 59.61 (8)° with the planes of the chloro-phenyl and benzoyl rings, respectively. The carbonyl C=O bond is not coplanar with either of the aromatic rings; it makes angles of 42.5 and 23.5° with the normals to the ring planes. In the crystal, very weak C-H⋯O, C...
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A solvent-extraction spectrophotometric technique is proposed as a new method for determination of trace quantities of vanadium. Sodium salt of 2-mercapto-pyridine-N-oxide (thione) forms a complex with vanadium instantaneously. The purple 1:2 complex is formed of pH 2.3, easily extracted in chloroform and shows strong absorbance at 500 nm. The extracted complex is found to obey Beer's law i...
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ژورنال
عنوان ژورنال: Journal of the Korean Chemical Society
سال: 2003
ISSN: 1017-2548
DOI: 10.5012/jkcs.2003.47.6.663