Ethyl 3-nitro-4-(n-propylamino)benzoate
نویسندگان
چکیده
In the mol-ecule of the title compound, C(12)H(16)N(2)O(4), an intra-molecular N-H⋯O hydrogen bond results in the formation of a six-membered ring having an envelope conformation. In the crystal structure, a bifurcated intra/intermolecular N-H⋯(O,O) hydrogen bond generates inversion dimers.
منابع مشابه
Ethyl 3-nitro-4-(propylamino)benzoate
In the title compound, C(12)H(16)N(2)O(4), intra-molecular N-H⋯O and C-H⋯O hydrogen bonds generate S(6) and S(5) ring motifs, respectively. The nitro group is almost coplanar with the benzene ring, forming a dihedral angle of 6.2 (2)°. In the crystal structure, neighbouring mol-ecules are linked together by inter-molecular N-H⋯O and O⋯O inter-actions. Of interest are the short inter-molecular O...
متن کاملEthyl 4-butylamino-3-nitrobenzoate
In the crystal structure of the title compound, C(13)H(18)N(2)O(4), the asymmetric unit consists of three crystallographically independent ethyl 4-butyl-amino-3-nitro-benzoate mol-ecules. There is an intra-molecular N-H⋯O hydrogen bond in each mol-ecule, which generates an S(6) ring motif. The structure is stabilized by inter-molecular N-H⋯O and C-H⋯O hydrogen bonds.
متن کامل3-Nitro-4-(propylamino)benzonitrile
In the title compound, C(10)H(11)N(3)O(2), the nitro group is essentially coplanar with the aromatic ring [dihedral angle = 1.3 (3)°] and forms an intra-molecular amine-nitro N-H⋯O hydrogen bond. In the crystal, weak inter-molecular aromatic C-H⋯O(nitro) hydrogen bonds link the mol-ecules. Weak aromatic ring π-π inter-actions [minimum ring centroid separation = 3.7744 (13) Å] are also present.
متن کاملEthyl 2-[3-(4-nitrobenzoyl)thioureido]benzoate
In the title compound, C(17)H(15)N(3)O(5)S, the nitro and thio-ureido groups are twisted by 7.2 (7) and 21.4 (2)°, respectively, from the nitro-benzene ring plane whereas the thio-ureido and the ethyl ester group make dihedral angles of 43.0 (1) and 18.0 (2)°, respectively, with the benzene rings to which they are attached. Intra-molecular N-H⋯O hydrogen-bonding inter-actions are observed. In t...
متن کاملTwo isomeric reaction products: hydrogen-bonded sheets in methyl 4-(5-amino-3-phenyl-1H-pyrazol-1-yl)-3-nitrobenzoate and hydrogen-bonded chains of edge-fused rings in methyl 3-nitro-4-[(5-phenyl-1H-pyrazol-3-yl)amino]benzoate.
In methyl 4-(5-amino-3-phenyl-1H-pyrazol-1-yl)-3-nitrobenzoate, C(17)H(14)N(4)O(4), the molecules are linked into complex sheets by a combination of N-H...N, N-H...O and C-H...O hydrogen bonds. In the isomeric methyl 3-nitro-4-[(5-phenyl-1H-pyrazol-3-yl)amino]benzoate, molecules exhibit a polarized molecular-electronic structure and are linked into chains of edge-fused rings by a combination of...
متن کامل