Zobrazeno 1 - 10 of 125 pro vyhledávání: '"ARVID MOSTAD"'
1
7-Methyl-9-(4-methylbenzylidene)-1-(4-methylphenyl)-3,4-diphenyl-2-oxa-3,7-diazaspiro[4.5]decan-10-one
Autor: Arvid Mostad, S. Natarajan, J. Suresh, Raju Ranjith Kumar, S. Perumal
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 62:o5356-o5358
In the title compound, C35H34N2O2, the isoxazolidine ring adopts a twisted conformation and the piperidine ring is in a half-chair conformation. Weak C—H⋯π inter­actions are observed in the crystal structure.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb498e4d0937a77e40f0a49e4247ce2b
https://doi.org/10.1107/s1600536806044709
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2
4-Oxo-2,3,5,6-tetraphenylpiperidine-1-carbonitrile ethyl acetate hemisolvate
Autor: Arvid Mostad, S. Perumal, Jerad Suresh, R. V. Krishnakumar, S. Natarajan, V. P. Alex Raja
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 62:o1295-o1297
In the title compound, C30H24N2O·0.5C4H8O2, the piperidone ring adopts the chair conformation and all the phenyl rings are equatorially oriented. The ethyl acetate molecule is present as a space filler and does not participate in the hydrogen-bondin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f8b8d496d04329070687f9aaadb0a9b
https://doi.org/10.1107/s1600536806007781
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3
Weak hydrogen bonds in 5-(4-methoxyphenyl)-1-phenylpent-4-ene-1,3-dione
Autor: Arvid Mostad, Antonio F. Arrieta
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 61:o3011-o3013
The title mol­ecule, C18H16O3, exists in the enolized form and displays a strong intra­molecular hydrogen bond. Except for van der Waals inter­actions, the inter­molecular contacts are dominated by weak hydrogen bonding of the type C—H⋯O and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::562cc8d29b4d6ccf110511fb5f408f33
https://doi.org/10.1107/s1600536805026140
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4
2,6-Bis(2-methylphenyl)-1-nitroso-3,5-diphenylpiperidin-4-one
Autor: V. P. Alex Raja, S. Natarajan, Arvid Mostad, R. V. Krishnakumar, Jerad Suresh, S. Perumal
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 61:o2458-o2460
In the title compound, C29H22Cl2N2O2, the piperidinone ring adopts its usual twist–boat conformation. The crystal packing is stabilized by a three-dimensional network of C—H⋯O hydrogen bonds involving the nitroso and carbonyl O atoms. No signif
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::45a122e1274e43340dcc759f1b537cfc
https://doi.org/10.1107/s1600536805021112
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5
A second polymorphic form of pentazocine hydrochloride at 105 K
Autor: Arvid Mostad
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 61:o726-o728
The crystal structure of pentazocine hydro­chloride [systematic name: 2-hydroxy-5,9-di­methyl-2-(3-methyl­buten-2-yl)-6,7-ben­zomorphanium chloride], C19H28NO+·Cl−, has been determined at 105 K and found to be a second polymorphic form with sp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb93b346dac7a6241e6306f6406e192e
https://doi.org/10.1107/s1600536805004903
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6
5-(2-Furyl)-3-hydroxy-1-phenylpenta-2,4-dien-1-one
Autor: Antonio F. Arrieta, Arvid Mostad
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 60:o2444-o2446
In the crystalline state, the title mol­ecule, C15H12O3, exists in the enolized form and displays a strong intramolecular hydrogen bond. The molecular structure supports the hypothesis that the conjugation in the mol­ecule is a determining factor f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fcff992a95fa284ee972196c0f67a454
https://doi.org/10.1107/s1600536804030193
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8
DL-Threoninium maleate at 150 K
Autor: K. Rajagopal, Arvid Mostad, E. Ramachandran, S. Natarajan
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 60:o386-o388
In the title compound, C4H10NO3+·C4H3O4−, the threonine mol­ecule exists as a cation and the maleic acid mol­ecule exists in the mono-ionized state. In the semi-maleate ion, there is an intramolecular O—H⋯O hydrogen bond. The mol­ecules agg
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a1ce90b1fd04c2e0e63dcf09c7bf3b6
https://doi.org/10.1107/s1600536804003277
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10
Ethyl 4-oxo-2,6-diphenyl-4-piperidine-3-carboxylate
Autor: M. Sundaravadivelu, Arvid Mostad, V. Vijayakumar, S. Natarajan, M. Subha Nandhini
Publikováno v: Acta Crystallographica Section E Structure Reports Online. 59:o1672-o1674
The asymmetric unit of the title compound, C20H21NO3, contains two crystallographically independent mol­ecules, approximately related by a local twofold axis. These two mol­ecules differ from each other in the orientation of the ethyl group. In bot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83132e36175ff19d319ea8da632d2ad0
https://doi.org/10.1107/s1600536803021792
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