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(–)-1-Benzyl-4-[(1R)-2-hydr­oxy-1-phenyl­ethyl­amino]-5,6-dihydro­pyridin-2(1H)-one

✍ Scribed by Romero, Nancy ;Terán, Joel L. ;Gnecco, Dino ;Bernès, Sylvain

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
287 KB
Volume
61
Category
Article
ISSN
1600-5368

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(–)-1-Benzyl-4-[1(S)-phenyl­ethyl­amino]
(–)-1-Benzyl-4-[1(S)-phenyl­ethyl­amino]-5,6-dihydro­pyridin-2(1H)-one
✍ Romero, Nancy ;Terán, Joel L. ;Gnecco, Dino ;Bernès, Sylvain 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 269 KB

In the title molecule, C 20 H 22 N 2 O, the pyridine heterocycle has an envelope conformation. The crystal packing is stabilized by intermolecular N-HÁ Á ÁO hydrogen bonds, which link the molecules into chains along the [110] direction.

4-[(4-Hydr­oxy-3-methoxy­benzyl­idene)am
4-[(4-Hydr­oxy-3-methoxy­benzyl­idene)amino]-1,5-dimethyl-2-phenyl-1,2-dihydro­pyrazol-3-one
✍ Wen, Puhong 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 245 KB

In the crystal structure of the title compound, C 19 H 19 N 3 O 3 , the benzene ring substituted by hydroxy and methoxy groups is essentially coplanar with the pyrazoline ring [dihedral angle = 12.9 (2) ], whereas the phenyl ring bonded directly to the pyrazoline ring forms a dihedral angle of 50.4

(E)-4-(2-Hydr­oxy-4-methoxy­benzyl­idene
(E)-4-(2-Hydr­oxy-4-methoxy­benzyl­ideneamino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
✍ Wang, Liang-Gui ;Zhang, Chun-Niu ;Yan, Guo-Bing ;Zheng, Yun-Fa ;Yang, Ming-Hua 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 204 KB

In the title Schiff base compound, C~16~H~15~N~3~OS, there are two intramolecular hydrogen bonds and one intermolecular hydrogen bond. The latter results in a one-dimensional chain in the crystal structure.

5-Hydr­oxy-3,7-dimeth­oxy-2-phenyl-4H-1-
5-Hydr­oxy-3,7-dimeth­oxy-2-phenyl-4H-1-benzopyran-4-one
✍ Fun, Hoong-Kun ;Razak, Ibrahim Abdul ;Boonnak, Nawong ;Laphookhieo, Surat ;Chant 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 199 KB

The title compound, C 17 H 14 O 5 , a flavone, was isolated from the rhizomes of Kaempferia parviflora. There are two crystallographically independent molecules in the asymmetric unit. The molecular structure is stabilized by intramolecular O-HÁ Á ÁO and C-HÁ Á ÁO hydrogen bonds. C-HÁ Á ÁO intermole