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3′-Amino­cyclo­hexa­nespiro-5′-hydantoin–phenyl­boronic acid (1/1)

✍ Scribed by Shivachev, Boris ;Petrova, Rosica ;Naydenova, Emilia

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
199 KB
Volume
62
Category
Article
ISSN
1600-5368

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✦ Synopsis

In the crystal structure of the title compound [systematic name: 3-amino-1,3-diazaspiro[4.5]decane-2,4-dione-phenylboronic acid (1/1)], C 8 H 13 N 3 O 2 ÁC 6 H 7 BO 2 , molecules are held together by O-HÁ Á ÁO, N-HÁ Á ÁO and C-HÁ Á ÁO hydrogen bonds and by an N-HÁ Á Á interaction.

📜 SIMILAR VOLUMES

8-(4-Methoxy­phenyl)-3,5-bis­[(E)-1-(4-m
8-(4-Methoxy­phenyl)-3,5-bis­[(E)-1-(4-methoxy­phenyl)­methyl­idene]-1,2,3,5,6,7-hexa­hydro­di­cyclo­penta­[b,e]­pyridine
✍ Crane, Jonathan D. ;Crompton, John 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 302 KB

At 150 K, the tricyclic core of the title compound, C 34 H 31 NO 3 , is close to planar. One of the three 4-methoxyphenyl substituents is twisted out of the plane of the tricyclic core due to steric congestion.

4-[(4-Methyl­phenyl)­diazenyl]-6-methoxy
4-[(4-Methyl­phenyl)­diazenyl]-6-methoxy-2-{[tris­(hydroxy­methyl)­methyl]­amino­methyl­ene}cyclo­hexa-3,5-dien-1(2H)-one
✍ Koşar, Başak ;Albayrak, Çiğdem ;Odabaşoğlu, Mustafa ;Büyükgüngör, Orhan 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 183 KB

The title compound, C 19 H 23 N 3 O 5 , adopts the keto±amine tautomeric form and the con®guration around the ÐN NÐ double bond is trans. There is an intramolecular NÐHÁ Á ÁO hydrogen bond and intermolecular OÐHÁ Á ÁO interactions, forming a three-dimensional network.

4-[(3-Chloro­phenyl)­diazenyl]-6-methoxy
4-[(3-Chloro­phenyl)­diazenyl]-6-methoxy-2-{[tris­(hydroxy­methyl)­methyl]­aminomethyl­ene}cyclo­hexa-3,5-dien-1(2H)-one
✍ Koşar, Başak ;Albayrak, Çigˇdem ;Odabaşoğlu, Mustafa ;Büyükgüngör, Orhan 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 220 KB

Single-crystal X-ray study T = 291 K Mean '(C±C) = 0.003 A Ê R factor = 0.043 wR factor = 0.116 Data-to-parameter ratio = 11.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.