4-[(9-Ethyl-9H-carbazol-3-yl)iminomethyl]phenol
نویسندگان
چکیده
In the title compound, C(21)H(18)N(2)O, the dihedral angle between the phenol ring and the carbazole system is 39.34 (2)°. Inter-molecular O-H⋯N hydrogen bonds and C-H⋯π and π-π inter-actions [centroid-centroid distances = 3.426 (2) and 3.768 (2) Å] stabilize the crystal structure.
منابع مشابه
Reactions of 9-alkyl-3-aminocarbazoles with ethyl-3-oxo-butanoate and identification of the products obtained.
The reactions in benzene of 9-alkyl-3-aminocarbazoles with ethyl-3-oxobutanoate yielded ethyl-3-[(9-alkyl-9H-carbazol-3-yl)amino]but-2-enoate condensation products or N-(9-ethyl-9H-carbazol-3-yl)-3-oxobutanamide acylation products. The condensation products were cyclized to the corresponding 4,7-dihydro-pyrido[2,3-c]-carbazol-1-ones upon heating in mineral oil at 240-250 degrees C. The structur...
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The azomethine double bond in the title Schiff base, C(20)H(19)N(3)O, has an E configuration. The 13-membered carbazolyl fused ring system [r.m.s. deviation = 0.023 (9) Å] is nearly coplanar with the five-membered pyrazole ring [r.m.s. deviation = 0.003 (4) Å]; the dihedral angle between the two systems is 10.8 (2)°. The crystal studied was a non-merohedral twin having a 35% minor component.
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A series of novel 5-[(9H-carbazol-9-yl)methyl]-N-[(substituted phenyl)(piperazin-1-yl)methyl]-1,3,4-oxadiazol-2-amines (4a–o) derivatives was synthesized by starting with carbazole, which on reaction with ethyl chloroacetate yielded ethyl 2-(9H-carbazole-9-yl)acetate (1). Compound 1 on reaction with semicarbazide followed by cyclisation with sulphuric acid gave 5-((9H-carbazole-9-yl)-1,3,4-oxad...
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