何帕烯
何帕烯结构式
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常用名 | 何帕烯 | 英文名 | hopene |
|---|---|---|---|---|
| CAS号 | 1615-91-4 | 分子量 | 410.718 | |
| 密度 | 0.9±0.1 g/cm3 | 沸点 | 458.7±12.0 °C at 760 mmHg | |
| 分子式 | C30H50 | 熔点 | N/A | |
| MSDS | N/A | 闪点 | 231.1±14.4 °C | |
| 符号 |
GHS02, GHS07, GHS08, GHS09 |
信号词 | Danger |
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Profound insights into squalene cyclization.
Chem. Biol. 11(1) , 12-4, (2004) In this issue of Chemistry & Biology, our understanding of the formation of pentacyclic hopene from the linear squalene is enhanced by an X-ray structure of a complex between squalene-hopene cyclase and the substrate analog 2-azasqualene. |
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Squalene-hopene cyclases.
Appl. Environ. Microbiol. 77(12) , 3905-15, (2011) Hopanoids and sterols are members of a large group of cyclic triterpenoic compounds that have important functions in many prokaryotic and eukaryotic organisms. They are biochemically synthesized from linear precursors (squalene, 2,3-oxidosqualene) in only one... |
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Hopane-type triterpenes and binaphthopyrones from the scale insect pathogenic fungus Aschersonia paraphysata BCC 11964.
J. Nat. Prod. 73 , 688-92, (2010) Two new triterpenes, 17(21)-hopene-6alpha,12beta-diol (1) and 17(21)-hopen-12beta-ol (2), the known 17(21)-hopen-6alpha-ol (zeorinin, 3), and two new biarylic dihydronaphthopyrones, aschernaphthopyrones A (4) and B (5), were isolated from the scale insect pat... |
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Hopanoid production by Desulfovibrio bastinii isolated from oilfield formation water.
FEMS Microbiol. Lett. 293(1) , 73-8, (2009) Hopanoids are important lipid components of many bacterial groups and are therefore ubiquitous in soils, sediments, and rocks. Until recently, it was believed that the synthesis of hopanoids is restricted to at least microaerophilic bacteria and consequently ... |
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Quantitative determination of various hopanoids in microorganisms.
Anal. Biochem. 181(1) , 120-4, (1989) A rapid and sensitive method for determination of various hopanoids in microorganisms is described. Tetrahydroxybacteriohopane (THBH), THBH-ether and -glycoside were acetylated with acetanhydride/pyridine and were separated on a C18 reversed-phase HPLC column... |
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Site-directed mutagenesis experiments on the putative deprotonation site of squalene-hopene cyclase from Alicyclobacillus acidocaldarius.
Biosci. Biotechnol. Biochem. 68(3) , 728-38, (2004) To provide insight into the catalytic mechanism for the final deprotonation reaction of squalene-hopene cyclase (SHC) from Alicyclobacillus acidocaldarius, mutagenesis experiments were conducted for the following ten residues: Thr41, Glu45, Glu93, Arg127, Trp... |
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Hopanoids are not essential for growth of Streptomyces scabies 87-22.
J. Bacteriol. 191(16) , 5216-23, (2009) Hopanoids are triterpenoic, pentacyclic compounds that are structurally similar to sterols, which are required for normal cell function in eukaryotes. Hopanoids are thought to be an important component of bacterial cell membranes because they control membrane... |
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Diploptene: an indicator of terrigenous organic carbon in Washington coastal sediments.
Limnol. Oceanogr. 37(6) , 1290-300, (1992) The pentacyclic triterpene 17 beta(H),21 beta(H)-hop-22(29)-ene (diploptene) occurs in sediments throughout the Columbia River drainage basin and off the southern coast of Washington state in concentrations comparable to long-chain plantwax n-alkanes. The sam... |
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Do the substituent effects affect conformational freedom of squalene in hopene biosynthesis?
J. Mol. Model. 17(9) , 2169-74, (2011) The analysis of biochemical processes is one of the main challenges for modern computational chemistry. Probably the biggest issue facing scientists in this case is the number of factors that have to be taken into account, as even those factors that do not se... |
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Fatty Acids of Chthonomonas calidirosea, of a novel class Chthonomonadetes from a recently described phylum Armatimonadetes.
Lipids 46(12) , 1155-61, (2011) A Gram-negative, aerobic, pink-pigmented, rod-shaped bacterium Chthonomonas calidirosea (strain T49(T)) with an optimal temperature for growth of 68 °C, isolated from soil samples from Hell's Gate in the Tikitere geothermal system (New Zealand), was the first... |