منابع مشابه
(S)-5-Oxo-N-phenylpyrrolidine-2-carboxamide
The title compound, C(11)H(12)N(2)O(2), shows an S configuration, in which the pyrrolidinone ring is twisted with respect to the phenyl plane, making a dihedral angle of 70.73 (7)°. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds, building up a layer parallel to (001).
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Chemically-modified derivatives of cytidine, bearing a 5-(N-substituted-carboxamide) functional group, are new reagents for use in aptamer discovery via the SELEX process (Systematic Evolution of Ligands by EXponential enrichment). Herein, we disclose a practical synthesis of 5-(N-benzylcarboxamide)-2'-deoxycytidine, and the corresponding 5-(N-1-naphthylmethylcarboxamide)- and 5-(N-3-phenylprop...
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In the title compound, C(12)H(9)F(3)N(2)O(2), the benzene ring is nearly perpendicular to the isoxazole ring, making a dihedral angle of 82.97 (2)°. In the crystal, mol-ecules are linked by N-H⋯O hydrogen bonds into a supra-molecular chain running along the c axis.
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In the title compound, C(24)H(39)NO(2)·H(2)O, the A and C rings of the pregnolene derivative sterol adopt chair conformations, with the B ring in a flattened chair conformation and the five-membered ring in an envelope conformation twisted about the C/D ring junction. The N-tert-butyl-carboxamide substituent is equatorial. The 3β-hydr-oxy H atom and one H atom of the water mol-ecule are disorde...
متن کامل3β-Chloro-N-methoxy-N-methylcholest-5-ene-24-carboxamide
The title compound, C26H42ClNO2, is a 3β-chloro steroid with a Weinreb amide at the C-24 position. The two cyclo-hexane and the cyclo-hexene rings adopt chair and boat conformations, respectively. The cyclo-pentane ring has an envelope conformation.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2005
ISSN: 1600-5368
DOI: 10.1107/s1600536805014601