2-(4-Isopropyl-4-methyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)-5-methyl­nicotinic acid

نویسندگان

  • Li-Ping Liu
  • Xiao-Dan Wang
  • Shuang Zhang
  • Jin-Sheng Gao
چکیده

In the title herbicideh/phytocide, known as imaza-pic, C(14)H(17)N(3)O(3), the pyridine and imidazole rings are almost coplanar [dihedral angle = 3.08 (5)°]. An intra-molecular O-H⋯N hydrogen bond occurs. In the crystal, an N-H⋯O hydrogen bond links mol-ecules into a chain parallel to [010].

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منابع مشابه

Diaqua­bis­[2-(5-isopropyl-5-methyl-4-oxo-4,5-dihydro-1H-imidazol-2-yl-κN 3)nicotinato-κN]manganese(II)

In the title compound, [Mn(C(13)H(14)N(3)O(3))(2)(H(2)O)(2)], the Mn(II) ion is coordinated by four N atoms from two (±)-2-(5-isopropyl-5-methyl-4-oxo-4,5-dihydro-1H-imidazol-2-yl)nicotinate ligands and two water mol-ecules in a distorted octa-hedral environment. Inter-molecular O-H⋯O hydrogen bonds lead to a chain along [010]. Intra-molecular N-H⋯O and O-H⋯O hydrogen bonds are observed.

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In the title complex, [Co(C(13)H(14)N(3)O(3))(2)(H(2)O)(2)], the Co(II) atom has a distorted octa-hedral coordination, formed by four N atoms from two (±)-2-(5-isopropyl-5-methyl-4-oxo-4,5-dihydro-1H-imidazol-2-yl)nicotinate ligands and two O atoms from two water mol-ecules. Intra-molecular N-H⋯O and O-H⋯O hydrogen bonds are present. In the crystal, inter-molecular O-H⋯O hydrogen bonds link the...

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(±)-5-Ethyl-2-(4-isopropyl-4-methyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)nicotinic acid

In the title compound, C(15)H(19)N(3)O(3), owing to an intra-molecular O-H⋯N hydrogen bond, the pyridine and imidazole rings are nearly coplanar and are twisted from each other by a dihedral angle of only 0.92 (9)°. The mol-ecules are linked through inter-molecular N-H⋯O hydrogen bonding, forming an infinite chain parallel to the b axis.

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The pseudo-Michael reaction of 1-aryl-4,5-dihydro-1H-imidazol-2-amines with ethyl ethoxymethylenecyanoacetate

ABSTRACT The pseudo-Michael reaction of 1-aryl-4,5-dihydro-1H-imidazol-2-amines with ethyl 2-cyano-3-methoxyprop-2-enoate (ethyl ethoxymethylenecyanoacetate) is investigated. At -10 °C reaction takes place on the exocyclic nitrogen atom, giving exclusively ethyl esters of 2-cyano-3-[(1-phenyl-4,5-dihydro-1H-imidazol-2-yl)amino]prop-2-enoic acid. The formation of isomeric enamines which may be a...

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Towards a system for the systematic structural study of intermolecular interactions in crystals of transition metal complexes.

Pseudo-macrocyclic complexes of copper(II), and in one instance nickel(II), incorporating the bidentate ligands methyl N-(4-oxo-5,5-diphenyl-4,5-dihydro-1H-imidazol-2-yl)imidocarbamate and N,N-dimethyl-N'-(4-oxo-5,5-diphenyl-4,5-dihydro-1H-imidazol-2-yl)guanidine are reported and their X-ray structures compared with those previously reported for related complexes of two N-(4-oxo- 5,5-diphenyl-4...

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عنوان ژورنال:

دوره 68  شماره 

صفحات  -

تاریخ انتشار 2012