Ester: Vroulike durf binne ’n manlike bestel
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چکیده
منابع مشابه
N-Cinnamoyl-l-phenylalanine methyl ester
As part of an ongoing investigation into the development of N-substituted amino acids as building blocks for dynamic combinatorial chemistry, we report the structure of the title compound, C(19)H(19)NO(3). This compound crystallizes as discrete mol-ecules. The cinnamoyl group is non-planar, with the phenyl ring and the amide twisted out of the ethyl-ene plane. The benzyl and ester groups lie ab...
متن کاملN-{N-[N-(1,1-Dimethylethoxycarbonyl)-l-leucyl]-N-methyl-l-leucyl}-N-methyl-l-leucine benzyl ester
The tripeptide title compound, C(32)H(53)N(3)O(6), synthesized in 80% yield by coupling of N-methyl-l-leucine benzyl ester with tert-butoxy-carbonyl-l-leucyl-N-methyl-l-leucine at 273 K, conjugates through two amide linkages and includes two protecting groups: a tert-butyl-oxycarbonyl group at the C-tip and a benzyl group at the N-tip. A classical inter-molecular N-H⋯O hydrogen bond and a weak ...
متن کاملN-Acetyl-5-chloro-3-nitro-l-tyrosine ethyl ester
The title compound, C(13)H(15)ClN(2)O(6), was synthesized by hypochlorous acid-mediated chlorination of N-acetyl-3-nitro-l-tyrosine ethyl ester. The OH group forms an intra-molecular O-H⋯O hydrogen bond to the nitro group and the N-H group forms an inter-molecular N-H⋯O hydrogen bonds to an amide O atom, linking the mol-ecules into chains along [100]. The crystal studied was a non-merohedral tw...
متن کاملN-Butoxycarbonyl-5-oxo-l-proline ethyl ester
The mol-ecular structure of the title compound, C12H19NO5, may be visualized as made up of two nearly perpendicular planes [dihedral angle = 87.39 (12)°] and its crystal structure is a good example of C-H⋯O inter-actions assuming significance in optimizing supra-molecular aggregation in crystals in a mol-ecule which is severely imbalanced in terms of donors to acceptor atoms. The pyrrolidine ri...
متن کامل(RSS)-[N-Hydroxyethyloxy]-hexafluoroVal–MeLeu–Ala tert-butyl ester
THE TITLE COMPOUND [SYSTEMATIC NAME: (2S,5S,8R)-tert-butyl 8-(1,1,1,3,3,3-hexafluoropropan-2-yl)-12-hydroxy-5-isobutyl-2,6-dimethyl-4,7-dioxo-10-oxa-3,6,9-triazadodecanoate], C(21)H(36)F(6)N(3)O(6), is a tripeptide crystallizing in the chiral ortho-rhom-bic spacegroup P2(1)2(1)2(1). The absolute configuration (R) of the chiral center in the hexa-fluoro-valine unit is based on the known stereoch...
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ژورنال
عنوان ژورنال: HTS Teologiese Studies / Theological Studies
سال: 2011
ISSN: 2072-8050,0259-9422
DOI: 10.4102/hts.v67i1.1031