Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Guang-Fan Han"'
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 3, Pp o823-o823 (2012)
The asymmetric unit of the title compound, C18H17ClN2O2·0.5H2O, contains two organic molecules and one solvent water molecule. In each organic molecule, the cyclohexene ring adopts an envelope conformation with the C atom connecting the two methyl g
Externí odkaz:
https://doaj.org/article/40dfceefc6dc4190971361f8819e0bb7
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 5, Pp o1217-o1217 (2010)
In the title compound, C31H25ClO3, the central ring of the xanthene core shows a shallow boat conformation, while the outer six-membered rings display envelope conformations. The dihedral angle between the outer aromatic rings is 88.1 (3)° and the d
Externí odkaz:
https://doaj.org/article/799a5c560be4437c8c86b61e59f639ee
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 8, Pp m1012-m1012 (2008)
In the title compound, [CoCl2(C5H9N3)2], the CoII atom adopts a slightly distorted tetrahedral coordination geometry provided by two chloride anions and two N atoms from the organic ligands. The dihedral angle between the pyrazole rings is 85.91 (10)
Externí odkaz:
https://doaj.org/article/d8de87d30b8f41949a09c97b992b155f
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 5, Pp o816-o816 (2008)
The title compound, C8H5N5, was synthesized from phthalonitrile. The benzonitrile and tetrazole rings are inclined at a dihedral angle of 37.14 (11)°. In the crystal structure, intermolecular N—H...N hydrogen bonds link the tetrazole rings of adja
Externí odkaz:
https://doaj.org/article/b989ab649d1d48c19d9d391d7d044bc7
Publikováno v:
Journal of Chemical Research. 40:767-771
In this paper, a new series of ethyl 1-aryl-3-methyl-8-oxo-1,8-dihydropyrano[2′,3′:4,5]pyrimido[6,1-b]quinazoline-2-carboxylate derivatives was synthesised by the cyclisation of methyl anthranilate with ethyl 5-cyano-6-[(ethoxymethylene)amino]-2-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ef6dc74389ea3c26099600f400fd2a6
https://doi.org/10.3184/174751916x14798109099372
https://doi.org/10.3184/174751916x14798109099372
Publikováno v:
Journal of Heterocyclic Chemistry. 53:1081-1085
A new series of 3-(furan-2-yl) dibenzo-diazepin-1-one derivatives were synthesized by condensation of 5-(furan-2-yl)-1,3-cyclohexanedione, o-phenylenediamine, and aromatic aldehydes, in which in some of them existed two very close isomer compounds. A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f4a2ae4ecaf7b5d280e74a3994778b1
https://doi.org/10.1002/jhet.2408
https://doi.org/10.1002/jhet.2408
Publikováno v:
Journal of Chemical Research. 39:30-35
2-Methyl and 2-cyanomethyl-12-aryl-8,12-dihydro-9H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-11(10H)-one derivatives were synthesised by the cyclisations of acetic anhydride or ethyl cyanoacetate with chromeno[2,3-d]pyrimidine derivatives, which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07e8992c254905e89cffc22332217bcb
https://doi.org/10.3184/174751915x14190040330104
https://doi.org/10.3184/174751915x14190040330104
Publikováno v:
Journal of Chemical Research. 38:664-667
A new series of 3-phenyl substituted dibenzo-1,4-diazepin-1-one derivatives were synthesised by condensation of 5-phenylcyclohexane-1,3-dione, o-phenylenediamine and benzaldehydes. All the compounds were characterised by IR, MS, 1H NMR and elemental
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::448a7332f84095eda27084268cf065bb
https://doi.org/10.3184/174751914x14138073011066
https://doi.org/10.3184/174751914x14138073011066
Publikováno v:
Journal of Heterocyclic Chemistry. 52:1663-1668
The Gewald reactions of 5-substituted-1,3-cyclohexanedione, malononitrile, and powdered sulfur were carried out to give the corresponding products 2-amino-5-substituted-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile derivatives 1. The inter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a1857f39258347cfb40a7a3d4655d5b
https://doi.org/10.1002/jhet.2200
https://doi.org/10.1002/jhet.2200
Publikováno v:
Journal of Chemical Research. 38:480-485
Novel 9,9-dimethyl-8,12-dihydro-9H-chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-11(10H)-one derivatives were synthesised by the reactions of triethyl orthoformate or aromatic aldehydes with chrom...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::443723083d9d3ef30deba193961a3ab9
https://doi.org/10.3184/174751914x14053476598397
https://doi.org/10.3184/174751914x14053476598397