Tert-butyl 3-oxo-2,3,4,5,6,7-hexahydro-1H-pyrazolo[4,3-c]pyridine-5-carboxylate
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چکیده
منابع مشابه
3-tert-Butyl-1-(3-nitrophenyl)-1H-pyrazol-5-amine
In the title compound, C(13)H(16)N(4)O(2), the pyrazole ring forms a dihedral angle of 50.61 (6)° with the 3-nitro-phenyl ring. The plane of the nitro group is twisted by 6.8 (7)° out of the plane of the phenyl ring. In the crystal, the mol-ecules are linked by N-H⋯N and N-H⋯O hydrogen bonds, forming sheets in the bc plane. In addition, a weak C-H⋯N inter-action is observed.
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The title compound, C17H29NO4, contains a chiral center and crystallizes as a racemate. The asymmetric unit consists of two non-equivalent mol-ecules, in which the carbeth-oxy groups have markedly different orientations [C(=O)CC(OEt)=O torsion angles = 59.3 (2) and 156.0 (2)°]. In the crystal, mol-ecules form chains along [101] through N-H⋯O hydrogen bonds.
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In the title compound, C(11)H(17)N(3)O(3), the pyrazole ring is approximately planar, with a maximum deviation of 0.005 (2) Å, and forms a dihedral angle of 5.69 (13)° with the plane through the six atoms of the piperidine ring. In the crystal, pairs of inter-molecular N-H⋯O hydrogen bonds form dimers with neighbouring mol-ecules, generating R(2) (2)(8) ring motifs. These dimers are further lin...
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The title compound, C(13)H(14)OS, crystallizes with two independent mol-ecules in the asymmetric unit. The unit cell contains three voids of 197 Å(3), but the residual electron density (highest peak = 0.24 e Å(-3) and deepest hole = -0.18 e Å(-3)) in the difference Fourier map suggests no solvent mol-ecule occupies this void. The crystal structure is stabilized by π-π inter-actions between the ...
متن کاملtert-Butyl 3-oxo-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxylate
The title compound, C(10)H(15)NO(4), also known as N-tert-butyl-oxycarbonyl-allohydr-oxy-l-proline lactone, is quite similar to N-acetyl-allohydr-oxy-l-proline lactone [Lenstra, Petit & Geise (1979 ▶). Cryst. Struct. Commun. 8, 1023-1029], whereby both carbonyl groups point roughly in the same direction because of the trans conformation of the peptide bond.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2009
ISSN: 1600-5368
DOI: 10.1107/s1600536809053021