N 2-[1-(2-Hydroxyphenyl)ethylidene]-N 2′-(1H-indol-3-ylmethylene)carbonic dihydrazide
نویسندگان
چکیده
In the crystal structure of the title compound {alternative name: 1-[1-(2-hydroxy-phen-yl)ethyl-ideneamino]-3-(1H-indol-3-ylmethyl-eneamino)urea}, C(18)H(17)N(5)O(2), the planar indole component is twisted at an angle of 63.7 (10)° with respect to the rest of the mol-ecule. This compound is one of a series being studied for biological activity. The hydr-oxy groups are involved in both intra-molecular (O-H⋯N) and inter-molecular (N-H⋯O) hydrogen bonds.
منابع مشابه
Benzyl N′-(1-methyl-1H-indol-2-ylmethylene)hydrazinecarbodithioate
In the title compound, C(18)H(17)N(3)S(2), the dihedral angle between the planes of the aromatic ring systems is 83.63 (16)°. In the crystal structure, inversion dimers occur, linked by pairs of N-H⋯S hydrogen bonds.
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The asymmetric unit of the title compound, C(26)H(25)N(3)O(2)S(2), contains two independent mol-ecules, which are linked by a pair of N-H⋯S hydrogen bonds, forming a dimer.
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The crystal structures of two title Schiff base derivatives, C15H12N4O·C2H6O (1·EtOH) and C13H13N3O2S (2), were determined at 110 and 100 K, respectively. In the crystal of compound 1·EtOH, the (E)-N'-[(1H-indol-3-yl)methyl-idene]isonicotinohydrazide and ethanol mol-ecules are linked by O-H⋯O, N-H⋯O and N-H⋯N hydrogen bonds, forming a tape structure running along the b-axis direction. The tapes...
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A simple and efficient method for the synthesis of 3-indolyl-3-hydroxy oxindoles and unsymmetrical 3,3-di(indolyl)indolin-2-ones using microwave irradiation without catalyst and solvent is described. A series of 3-indolyl-3-hydroxy oxindoles and unsymmetrical 3,3-di(indolyl)indolin-2ones have been synthesized in very short reaction times of 5 and 10 minutes and in yields ranging from 31% to 98%...
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