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1、null nullcI|: 0253- 9993( 2004) 03- 0328- 05 2rY Fs+李宝才1, 2, 周梅村1, 张惠芬1, 毕 null 莉1, 郑江宁1, 辛小燕1, 罗 null 钫1, 盛国英2, 傅家谟2( 1null v 3, 2 null 650224; 2nullS S C18 C20 C22 C24 C26 C28顺序递减. 树脂醇由C15 C30正构烷醇 ( C24, C26为该系列重要化合物)aC18, C23, C25, C27, C29- 甲基酮, 以及羽扇- 3- 酮a桦木- 3- 酮a24- 甲基- 5null (H ) - 胆甾烷- 3nul
2、l- 醇a24- 乙基胆甾- 5a22- 二烯- 3null- 醇a24- 乙基- 5null (H) - 胆甾烷- 3null- 醇a23, 24- 二甲基胆甾- 5- 烯- 3null- 醇aC29- 5null (H)a3null ( OH) - 甾醇等组成. 稠环芳烃a松香酸a去氢松香等环状化合物含量很低或不存在, 是昭通褐煤蜡与国内其它褐煤蜡组成的重大差别.1oM: 云南昭通; 褐煤蜡; 褐煤树脂; 化学组成; GC- MS分析ms |: TQ351null473 null null nullDS M : Al : 2003- 08- 24null null “: S “( 97F1
3、2724) ; 2 8$ “( 95E051M)null nullTe: ( 1957- ) , 3, 2 d ,p V, q. Tel: 0871- 6699983, E- mail: baocaili hotmailnullcomChemical constituentsanddistribution characteristicsof browncoalresinseparatedfrommontanwaxfromYunnanZhaotong browncoalLI Bao-cai1, 2, ZHOU Me-i cun1, ZHANG Hu-i fen1, BI Li1, ZHENG J
4、iang-ning1,XIN Xiao-yan1, LUO Fang1, SHENG GUO-ying2, FU Jia-mo2( 1nullThe Faculty of Biological and Chemical Engineering, Kunming University of Science andTechnology, Kunming null 650224, China; 2. StateKeyLab. of Or-ganic Geochemistry and Guangzhoudong Key Lab. of Environmental Protection and Reso
5、urce Utilization, Guangzhou Institute of Geochemistry, Chinese Academy ofSciences, Guangzhounull 510640, China)Abstract: The free acid, combined acid, alcohol and hydrocarbon fractions in brown coal resin, separated from Zhaotongbrown coal wax ( Yunnan Province) , were studied on gas chromato- graph
6、y-mass spectrometer. By the experimental re-sults, D-ring-monoaromatic hopane and 17null (H) , 21null-hopane are the characteristic compounds with the highest amountin the fraction of hydrocarbons of Zhaotong brown coal resin. The others of pentacyclic triterpanoids and their aromatizedtriterpanes a
7、re existed, but much lower in content than that in Xundian, Liaohu, Shulan brown coal resins. The normalfatty acids from C14 to C30 are distributed and C16, C18, C24, C26, C28 acids are predominant of free acids in Zhaotongbrown coal resin, with a distribution order of C16 C26 null C24 C18 C28 C22 C
8、25 C20. An absolutely predominantamount of fatty acids with normal long chain from C14to C30 are found in combined acids in resin, the content is decreasedwith the increase of the carbon number in the fraction, that is, C16 C18 C20 C22 C24 C26 C28, and withnull29 3 null nullnull nullnull nullVol. 29
9、 null No. 3 nullnull 2004 M6JOURNAL OF CHINA COAL SOCIETY June null null 2004nullstrong odd-even rule. Alcohol of fraction in brown coal resin consists primarily of normal long chain alcohols with carbonnumber from C15 to C30 ( C24, C26 as major compounds in the series) , C18, C23, C25, C27, C29- me
10、thyl ketones, lupan-3- one, friedelan- 3- one, nullnull- bihomohopan - 33- one, 24- methyl- 5null( H) - cholestane- 3null- ol, 24- ethyl- cholest 5, 22- dien- 3null- ol, 24- ethyl- 5null( H) - choestane- 3null- ol, 23, 24- dimethyl- cholest- 5- en-3null- ol, C29 - 5null (H ) , 3null ( OH) - sterol,
11、etc. That polyring aromatised hydrocarbons, dehydroabietic acid, othertricyclic diterpanoic acids and pentacyclic triterpanoic acids are not existed or in a much low amount in Zhaotong browncoal resin is distinguished from those resins isolated in Xundian, Liaohu, Shulan brown coal waxes in China.Ke
12、yword: Yunnan Zhaotong; brown coal wax; brown coal resin; chemical constituents; GC- MS analysisnull null 2 8143 , 2rY g 1 u% r80null6at, % 1 100t.V 1 ,rY c (5% , c 14% 20%, c 2null76% 9null85% , (KOH)r50 mg/g,0(KOH) 100 mg/ g, 82 83 null . LV 2 , Y , 2null7% , qV86% ,4 B,7 a 2 MHq/ 4r“rT. s # nullr
13、1“null,- a 2a FT 3 6 . 2rY null nullanull nullanull Qnull#null ?nullsT.1null Ls1null1null“ !null . |1rY ,“ s,60 null,x B ,s“. null . f4 ,V ?,rY KzB .2null2nullrY Fs+null nullm2rY JGC- MS9 0 m. (?apa?aR?) *s , F+, 8 , # 1il 6 .m2 A,rY + F,VC12 C30 s, C16 c K.VC16 C30 c ChC, VCM ? p, ?p Es A 6 , c .null null D 6#:rYa aa 1s, sC12 C28,c
