Methyl 3-[(chloromethoxy)carbonyloxy]-7-hydroxycholan-24-oate
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چکیده
منابع مشابه
Methyl 3-[(chloromethoxy)carbonyloxy]-7-hydroxycholan-24-oate
The title compound, C27H43ClO6, is a derivative of urso-deoxy-cholic acid, in which the OH group at the 3-position is substituted by a chloro-meth-oxy-carbon-yloxy substituent and the carb-oxy-lic acid group at the 24-position is methyl-ated. The A and B rings are cis-fused, while all other rings are trans-fused. In the crystal, two adjacent mol-ecules located along the b-axis direction are int...
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In the racemic title compound, C21H18O4, the chromone ring is essentially planar [maximum deviation from the least-squares plane = 0.026 (3) Å], with a dihedral angle of 78.18 (12)° between the benzene rings of the chromanone and chromenone moieties. In the crystal, there are weak π-π stacking inter-actions [minimum ring centroid separation = 3.9286 (17) Å].
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The ability to synthesize capped RNA transcripts in vitro using bacteriophage polymerases has been of considerable value in a variety of applications. However, Pasquinelli et al. [RNA (1995) 1:957-967] found that one-third to one-half of the caps are incorporated in the reverse orientation, that is, with the m7G moiety of m7GpppG linked by a 3'-5' phosphodiester bond to the first nucleotide res...
متن کامل5-Iodo-7-methyl-3-methylsulfinyl-2-phenyl-1-benzofuran
The title compound, C(16)H(13)IO(2)S, was prepared by the oxidation of 5-iodo-7-methyl-3-methyl-sulfanyl-2-phenyl-1-benzofuran with 3-chloro-peroxy-benzoic acid. The phenyl ring makes a dihedral angle of 27.17 (9)° with the plane of the benzofuran fragment, with the O atom and the methyl group of the methyl-sulfinyl substituent lying on opposite sides of this plane. The crystal structure exhibi...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2013
ISSN: 1600-5368
DOI: 10.1107/s160053681301725x