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4-Methyl-7-[3-(4-o-tolyl­piperazin-1-yl)prop­oxy]-2H-chromen-2-one

✍ Scribed by Zhou, Xiang ;Wang, Xiao-Bing ;Kong, Ling-Yi

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
150 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

The piperazine ring adopts an almost perfect chair conformation. Intermolecularinteractions and C-HÁ Á ÁO hydrogen bonds stabilize the crystal packing.

📜 SIMILAR VOLUMES

Potassium (4-methyl-2-oxo-2H-chromen-7-y
Potassium (4-methyl-2-oxo-2H-chromen-7-yl­oxy)sulfate
✍ Sierosławski, Krzysztof ;Ślepokura, Katarzyna ;Lis, Tadeusz 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 204 KB

Single-crystal X-ray study T = 100 K Mean (C-C) = 0.004 A R factor = 0.056 wR factor = 0.105 Data-to-parameter ratio = 12.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

7-Hydroxy-4-methyl-2H-chromen-2-one mono
7-Hydroxy-4-methyl-2H-chromen-2-one monohydrate
✍ Butcher, Ray J. ;Jasinski, Jerry P. ;Yathirajan, H. S. ;Narayana, B. ;Samshad, 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 960 KB
7-Diethyl­amino-3-[(2Z)-3-(6-meth­oxy-2-
7-Diethyl­amino-3-[(2Z)-3-(6-meth­oxy-2-naphth­yl)prop-2-eno­yl]-2H-chromen-2-one
✍ Yathirajan, H. S. ;Mayekar, Anil N. ;Sarojini, B. K. ;Narayana, B. ;Bolte, Micha 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 154 KB

The geometric parameters of the title molecule, C~27~H~25~NO~4~, are in the usual ranges. The central C=C double bond is __trans__ configured, with the two C atoms slightly twisted out of the plane of the naphthyl group. The dihedral angle between the two fused ring systems is 40.90 (4)°.

Methyl [8-(3,5-di­methyl­pyrazol-1-yl­me
Methyl [8-(3,5-di­methyl­pyrazol-1-yl­methyl)-4-methyl-2-oxo-2H-chromen-7-yl­oxy]­acetate 0.19-hydrate
✍ Thamotharan, S. ;Parthasarathi, V. ;Shinge, Prashant S. ;Badami, Bharati ;Raviku 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 171 KB

In the title compound, C 19 H 20 N 2 O 5 Á0.19H 2 O, the coumarin moiety is oriented almost perpendicular to the plane of the pyrazole ring. The crystal structure is stabilized by weak intermolecular CÐHÁ Á Á% interactions.