Direct polyesterification with tosyl chloride in pyridine
نویسندگان
چکیده
منابع مشابه
Pyridine-3-carboxamidinium chloride
The title compound, C(6)H(8)N(3) (+)·Cl(-), crystallizes with two formula units in the asymmetric unit. The cations are non-planar with the -C(NH(2))(2) groups twisted relative to the ring planes by 36.7 (3) and 37.8 (3)°. The cations are linked into chains through N-H⋯N hydrogen bonds. N-H⋯Cl hydrogen bonds link the chains into a three-dimensional network.
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In the title salt, C(6)H(8)N(3) (+)·Cl(-), each pyridine-carbox-imid-amidate cation is linked to two symmetry-related cations through N-H⋯N hydrogen bonds, and to two chloride ions by N-H⋯Cl hydrogen bonds. The N-H⋯N hydrogen bonds involve the pyridine N atom and one NH(2) group. In the crystal, N-H⋯N and N-H⋯Cl hydrogen bonds extend the structure into two-dimensional layers. Weak C-H⋯Cl inter-...
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The title compound, C(6)H(8)N(3) (+)·Cl(-)·H(2)O, crystallizes with three formula units in the asymmetric unit. The cations are non-planar with the -C(NH(2))(2) groups twisted out of the ring planes. Each pyridine carboximidamidate cation is linked to another cation through N-H⋯N hydrogen bonds, to chloride ions by N-H⋯Cl hydrogen bonds, and to water mol-ecules by N-H⋯O hydrogen bonds. Water mo...
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Treatment of substituted benzyl alcohols with tosyl chloride resulted in the formation of the corresponding chlorides, not the usual tosylates. A series of experiments demonstrated that it was possible to predict whether chlorination or tosylation would occur for substituted benzyl alcohols and pyridine methanols. Treatment of electron withdrawing group-substituted benzyl alcohols with tosyl ch...
متن کاملELECTROCHEMICAL INVESTIGATION OF OCTAETHYL PORPHYRIN IRON(III) CHLORIDE IN THE PRESENCE OF PYRIDINE, IMIDAZOLE AND COLLIDINE: AN APPROACH TO THE ROLE OF PYRIDINE IN THE COUPLED OXIDATION
Cyclic voltammogram and differential pulse polarograph of octaethyl porphyrin iron(III) chloride in dichloromethane was investigated in the presence of pyridine, imidazole and collidine. Values of E1/2 for FeIII/FeII redox reaction were monitored as a function of axial group concentration, and on the basis of these data, an overall oxidation-reduction and ligand addition scheme was formulated. ...
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ژورنال
عنوان ژورنال: Journal of Polymer Science: Polymer Chemistry Edition
سال: 1985
ISSN: 0360-6376,1542-9369
DOI: 10.1002/pol.1985.170231217