Stereospecific Synthesis of trans-3-Methyl-2-hexenoic Acid.
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چکیده
منابع مشابه
Individual comparisons of the levels of (E)-3-methyl-2-hexenoic acid, an axillary odor-related compound, in Japanese.
The (E)-3-methyl-2-hexenoic acid (E3M2H), an axillary odor-related compound, is known to occur in Caucasians. The aims of this study were to clarify whether E3M2H contributes to axillary odor in Asians and to quantify and compare individual levels of E3M2H. Quantitative determination of E3M2H was performed by means of gas chromatography-mass spectrometry of sweat extracted from the axillary are...
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JOHN D. PIERCE, J•t., DAVID. H. BLANK, EVGUENY V. ARONOV, ZHENRONG GUO, GEORGE PRETI, and CHARLES J. WYSOCKI, Monell Chemical Senses Center, 3500 Market Street, Philadelphia, PA 19104-3308 (J.D.P., D.H.B., E.V.A., Z.G., G.P., C..].W.); and Department of Dermatology, School of Medicine (G. P.), and Department of Animal Biology, School of Veterinary Medicine (C..]. W.), University of Pennsylvania...
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The reaction of propionyl isothio-cyanate with valine was found to give the title compound, C(8)H(15)NO(3), instead of the expected thio-urea product. The whole mol-ecule is non-planar and the carbonyl group is cis to the methyl-butanoic acid group across the C-N bond. Inter-molecular O-H⋯O and N-H⋯O hydrogen bonds build up a two-dimensional network developing parallel to (100).
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2-Amino-5-methyl-5-hexenoic acid (AMHA), a new methionine analog, was isolated from a fermentation broth of Streptomyces sp. MF374-C4 based on its reversal of the effect of N-methyl-N'-nitro-N-nitrosoguanidine (MNNG) in a test system that determines the size of growth zones of revertants (His+) of Salmonella typhimurium TA1535. AMHA also inhibited growth of the tester strain in a synthetic medi...
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The crystal structure of the title compound, C(11)H(12)O(2), consists of dimers which are formed due to inter-molecular O-H⋯O hydrogen bonding. The dimers are linked to each other by C-H⋯O hydrogen bonds, where C-H belongs to the benzene ring and the O atom is of a carbonyl group of an adjoining mol-ecule. There exist two inter-molecular C-H⋯O hydrogen bonds which form five-membered rings. Ther...
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ژورنال
عنوان ژورنال: Acta Chemica Scandinavica
سال: 1971
ISSN: 0904-213X
DOI: 10.3891/acta.chem.scand.25-1471