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Li Jinggui, Fan Pu, Cui Mingzhong, Li Zhenxi, R. P. Philp, J. Allen. C20, C25 and C30 Highly Branched Isoprenoid Alkenes in The Branched and Cyclic Hydrocarbon Fractions of Qinghai Lake Sediments[J]. Acta Sedimentologica Sinica, 1995, 13(4): 82-92.
Citation: Li Jinggui, Fan Pu, Cui Mingzhong, Li Zhenxi, R. P. Philp, J. Allen. C20, C25 and C30 Highly Branched Isoprenoid Alkenes in The Branched and Cyclic Hydrocarbon Fractions of Qinghai Lake Sediments[J]. Acta Sedimentologica Sinica, 1995, 13(4): 82-92.

C20, C25 and C30 Highly Branched Isoprenoid Alkenes in The Branched and Cyclic Hydrocarbon Fractions of Qinghai Lake Sediments

  • Publish Date: 1995-12-10
  • The very abundant highly branched isoprenoid (HBI) alkenes (C20,C25 and C30) have been detected in four cores of Qinghai Lake recent sediments. This is the first report of these compounds in Chinese recent lake sediments. Diatoms may be the biological source of these sedimentary HBI alkenes.
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    2.Barrick R. C. and Hedges J. I. (1981) Hydrocarbon geochemistry of the Puget Sound region-1 .Sedimentary diter-penoid, steroid and triterpenoid hydrocarbons. Geochim. Cosmochirn. Acta 45. 381-392.

    3.Belt S. T.,Cooke D. A.,Hird S. J. and Rowland S. (1994) Structural Determination of a highly branched Czs sedi-mentary isoprenoid biomarker by NMR spectroscopy and Mass spectrometry. J. ChPm. Snc.,Chem. Commurz. 2077-2078.

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    7.Kohnen M, E. L.,Sinninghe Damste J. S.,Rullkotter J.,ten Haven H. L. and de Leeuw J. W. (1990) Origin and transformation of C25 and C30 highly branched isoprenoid sulphur compounds, further evidence for the formation of or-ganically bound sulphur during early diagenesis. Gexhim. Cosrnochim. Acta 54,3053-3063.

    8.Nichols P. D.,Volkman J. K.,Palmisane A. C.,Smith G. A. and White D. C.(1988) Occurrence of an isoprenoid C25 diunsaturated alkene and high neutral lipid content in Antarctic sea-ice diatom communities. J. Phycol. 24, 90-96.

    9.Requejo A. G. and Quinn J. G. (1983) Geochemistry of C25 and C30 biogenic alkenes in sediments of the Narragansett Bay estuary. Geochim. Cosmochim. Acta 47, 1075-1090.

    10.Requejo A. G.,Quinn J. G.,Gearing J. N. and Gearing P. J. (1984) C25 and C30 biogenic alkenes in a sediment core from the upper anoxic basin of the Pettaquamscutt River (Rhode Island, U. S. A.).Org. Geochem. 7.1-10.

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    12.Robson J. N. and Rowland S. J.(1988a) Synthesis of a highly branched Csosedimentary hydrocarbon. Tetrahedron Lett. 29, 3837-3840.

    13.Robson J. N. and Rowland S. J. (19886) Biodegradation of highly branched isoporenoid hydrocarbons; A possible ex-planation of sedimentary abundance. In Aduances in Ch}ganic Geochemistry 1987, Chog. Georhern. 13. 691-695.

    14.Rowland S. J.,Yon D. A.,Lewis C. A. and Maxwell J. R. (1985 ) Ocurrence of 2. 6. 10-trimethyl-7(3-methylbutyl)-dodecane and related hydrocarbons in the green alga Enteromorpha prolifera and sediments. Org.Geochem. 8, 207-213.

    15.Rowland S. J. and Robson. J. N. (1990) The widespread occurrence of highly branched acyclic C20. C25 and C30 hy-drocarbons in recent sediments and biota-a review. Mar. Erruvon. Res. 30.191-216.

    16.Sinninghe Damste J. S.,Van Koert E. R.,Kock-van Dalen A. C.,de leeuw J. W. and Schenck P. A. (1989) Char-acteri7ation of highly branched isoprenoid thiophenes occurring in sediments and immature crude oils. Org. Geochem.

    17.Sinninghe Damste J. S. and Rijpstra W. I. C. (1993) Identification of a novel C25 highly branched isoprenoid thiophenein sediments. Org. Geochcm. 20, 327-331.

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    20.Yruela I.,Barbe A. and Grimalt J. O. (1990) Determination of double bond position and geometry in Linear andhighly branched hydrocarbons and fatty acids from gas chromatography-mass spectrometry of epoxides and diols gen-erated by stereospecific resin hydration. J. Chrnmmtoqr. Sci. 28. 421-427.
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  • Published:  1995-12-10

C20, C25 and C30 Highly Branched Isoprenoid Alkenes in The Branched and Cyclic Hydrocarbon Fractions of Qinghai Lake Sediments

Abstract: The very abundant highly branched isoprenoid (HBI) alkenes (C20,C25 and C30) have been detected in four cores of Qinghai Lake recent sediments. This is the first report of these compounds in Chinese recent lake sediments. Diatoms may be the biological source of these sedimentary HBI alkenes.

Li Jinggui, Fan Pu, Cui Mingzhong, Li Zhenxi, R. P. Philp, J. Allen. C20, C25 and C30 Highly Branched Isoprenoid Alkenes in The Branched and Cyclic Hydrocarbon Fractions of Qinghai Lake Sediments[J]. Acta Sedimentologica Sinica, 1995, 13(4): 82-92.
Citation: Li Jinggui, Fan Pu, Cui Mingzhong, Li Zhenxi, R. P. Philp, J. Allen. C20, C25 and C30 Highly Branched Isoprenoid Alkenes in The Branched and Cyclic Hydrocarbon Fractions of Qinghai Lake Sediments[J]. Acta Sedimentologica Sinica, 1995, 13(4): 82-92.
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