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Tannins from Corylus heterophylla (Ⅲ)

平榛鞣质成分研究(Ⅲ)(英文)



全 文 :·810· 中草蒋ChineseTraditionalandHerbalDrugs第37卷第6期2006年6,El
·化学成分·
TanninsfromCorylusheterophylla(Ⅲ)
WANGLi,JINZhexiong
(I.aboratoryofForestPlantEcology,NortheasternEore ryUniversity,Harbin150040.China)
Abstract:ObjectiveTostudytanninsofCorylusheteropbZ缸fromHeilongjiangProvince.Methods
Theconstituentsw reseparatedndpurifiedr peatedlybymacroporonsresichromatographymethods
andtheirstructureswereidentifiedby1H—NMR,”CNMR,FAB—MS,and1H1HCOSYspectra,and
chemicalmethodsaswell.ResultsThreetanninswereobtainedfromC.heterop^vZ缸.Theywereh tero—
phylliinD(I),roxbinA(Ⅱ),andrugosinF(Ⅲ).ConclusionHeterophylliinD(I)isisolatedfrom
thextractofC.heterophytlaleavesas newdimmertanninf rstly.
Keywords:Betulaceae;CorlusL.;CorylusheterophyllaFisch,exB ss.;tannins
平榛鞣质成分研究(111)
王立,金哲雄
(东北林业大学森林植物生态开放研究实验室,黑龙江暗尔滨l50040)
摘要:目的研究黑龙江省棒(平榛)CorylusheterophyIIa的鞣质成分,方法利用大孔树脂柱色谱分离纯化技术
反复分离纯化,通过1H—NMR、”C—NMR、FAB—MS、1H1HCOSY等光谱手段及化学方法对得到的单体成分进行结
构鉴定。结果 从该植物叶中分离得到3个鞣质成分:榛叶鞣质D(I)、刺梨素A(Ⅱ)、玫瑰素F(Ⅱ)。结论榛叶
鞣质D(i)为一新的二聚体鞣质成分。
关键词:桦术科;榛属;平榛;鞣质
中图分类号:R284.1 文献标识码:A 文章编号:02532670(2006)06—0810 3
1 Intruduction
(orylusheterophyllaFisch.exB ss.iswide—
spreadinthenorthernpartofChina.Itsfruits
havebeenusedasfolkmedicinesforthetreatment
ofstomachupsetandboweldisorders.Themedici
naIvalueofitsleaveshasnotbeeninvestigated
previously.Inthepreviousreport,weisolaledan
characterizedfourl‘1ydrolyzablet nninsfromthis
plant.Asa furthersurveyofthedistributionof
tanninsfromC.heteropblla,weobtain danother
newtannincompoundnamedasheterophylliinD
(I)~“andtwoknowncompounds:roxhinA
(Ⅱ),rugosinF(Ⅲ).
2 Experiment
2·1 Plantandapparatus:LeavesofC.heteropb—
llawerecollectedinHarbin,HeilongjiangPro—
vince,China,inJuly,2003andidentifiedbyProf.
收稿日期:20050930
ZhangDeI,Jan。HarbinCommerceUniversity.
1H—NMR(500MHz)and”CNMR(126
MHz)weremeasuredinMe2COd6-D20.Optical
rotationsweremeasuredonaJASCODIP——4Digi—
talPolarimeterat25C.FAB—MSwasmeasured
with3nitrobenzyIalcoholmatrix.RPHPLCwas
performedOrlaI,iChrospherRP18columndevel—
opingwith0.01mol/LH。P04-0.O】mol/I,
K,HPO。EtOH—EtOAc(9:9:4:2).Colunm
chr。nlatography(CC)waserformedwithDiaion
HP一20,SephadexLH20(MitsubishiKaselIndus—
tryCo.,Lid.,Japan).
2.2 Extractionandisolation:Theconc ntrated
solutionofC.heterop的zkandtheaqueousMe2CO
homogenateoftheleaves(3.0kg)wasfractiona
tedbyCCoverDiaionHP20(55em×14cm)with
H20andaqueousMeOftina stepwisegradient—
万方数据
中革焉ChiueseTraditionaiandHerbalDrugs第37卷第6期2帅6年6月·811·
mode:HzO,20%MeOH,30%MeOH,40%
MeOH,50%MeOH,MeOH,andeoH—H,o—
acetone(6:2:2).Theeluate(20g)ofthe
MeOH—H20acetone(6:2:2)(48g)wasfurther
suhmittedoacombinationofCCverSephadex
LH一20(51cnl×5cm)andI(41mg)wasgot.
The50%MeoHeluatewaschromatographedre—
peatedlyoverSephadexLH一20togiveroxbinA
(Ⅱ)(65mg),rugosinF(Ⅲ)(53mg).
3 IdentifIcation
CompoundI:Off—whiteamorphousp wder,
[Ⅱ]分+77。(f—1.0,MeOH).FAB—MSm/£:
l893(M+Na)一.uV^黜”(109£):215nm
(5.27),255nm(4.88).CD(MeOH)[03(rim):
+29.3×104(236),10.3×104(261),3.1×104
(282).1H—NMR(acetoned6D20)a:7.13[2H,
s,galloyl(G)],7.16,6.64,6.52.6.49,6.43,
6.39,6.38,6.34,6.20reach1H,s,hexa—
hydroxydiphenoyl(HHDP)andvaloneoyl(V l)],
6.08,6.13(eachd,,一8.5Hz,gluH一1,l’),
5.35,5.38(eachdd,J一9.5,10Hz,gluH一3。
37),5.26,5.20(eachdd,J一7,13Hz,gluH一6。
6’),5.13,5.17(eachdd.J一8.5,9.5Hz,glu
H一2,2’),5.07,5.05(eacht,J=10Hz,gluH4
47),4.40(m,gluH一5,5‘),3.74,3.79(eachd.
J一13Hz,gluH一6,6’).”C—NMR(acetone—d。
D:0)d:92.0,91.9(gluC1,1’),75.8,75.7
(gluC一2.27),77.1(gluC3,37),69.0(gluC4.
47),73.4,73.3(gluC5,57),63.0,62.9(gluC
6,67),104.8,107.1(2C),107.3,107.4,107.5。
107.7,108.】,109.7(HHDPC一3,3’,Va】C3.
3’,6”),110.1(2C)(GC一2,6),113.3,114.3,
114.6,114.8,114.9,115.4,115.7,116.0.
117.1(HHI)PC1.1’.ValC一1,l’,1”),119.6
(GC一1),125.2,125.5,125.6,125.8,125.9,
126.0,126.1,126.2(HHDPC2,2’,ValC一2。
2’),136.1,136.3,136.4,136.45(2C),136.54
(2C),136.9,137.5(HHDPC5,57,ValC一5,57,
2”),139.9(GC4),140.5.141.2(ValC一3”,
4”),145.0(2C)(GC3,5),143.4,144.1,
144.2,144.3(2C),144.4(2C),144.6,144.9,
145.1,145.2,146.1,146.8(HHDPC一4,4’,6,
6
7
ValC4,4’,6,6’,5”),169.2,169.1,168.7.
168.1,167.9(2C),167.6,165.0,163.0(ester
carbonyl).
DegalloylationofI:AmixtureofI(30mg)
andtannaseinwater(3mI。)wasincubated37
℃for5h.Ther actionmixture.a{teraddingdi
IuteHCI,wasconcentratedandheresiduev.Tas
subjectedtoCCoverSephadexLH一20withH20,
10%MeOH,30%MeOH,and40%MeOHina
stepwisemodetogivegallica id(10%MeOHelu
ate)androxbinA(Ⅱ)(40%MeOHeluate),
whichwasidentifiedby1H—NMRspectralcompa—
trlsonwithanauthenticsample.
CompoundⅡ:A lightbrownamorphous
powder,■]弩+46.5。“一1.0,MeOH).1HN R
(acetone—d6-D20)d:7.13(1H,s,G),6.63,
6.52,6.48,6.45,6.39,6.36,6.34,6.20(HHDP
andVAI。),6.06,6.15(eachd,,一8.5Hz,glu
H一1,1’),5.34。5.37(eachdd,J=9.5.10Hz+
gluH3,3’),5.26,5.20(eachdd,。,一7,13Hz,
gluH一6,67),5.13,5.17(eachdd,J一8.5,9.5
Hz,gluH2,27),5.07,5.05(eacht,J一10Hz,
gluH一4,4’),4.40(m,gluH一5,57),3.73,3.77
(eachd,d一13Hz,H6,67).“C—NMR(acetone—
d6D20)d:94.2(gluC—1),72.2(gluC一2),73.6
(gluC一3),71.1(gluC4),73.6(gluC一5),63.5
(gluC一6).
CompoundⅢ:Alightbrownamorphous
powder,■]带+88。(c一1.0,MeOH).1H—NMR
(acetoned6D20)a:7.14(2H,s,G),7.12(2H,
s,G),7.12(2H,s,G),7.15(1H,s.G),6.62,
6.53,6.46,6.44,6.39,6.36,6.34,6.20
(HHDPandVal).6.06,6.15(eachd,J一8.5
Hz gluH1,17).5.34,5.37(eachdd,.,一9.5,
10Hz,gluH3.3’),5.26,5.20(eachdd,J一7,
13Hz,gluH一6,67),5.13.5.17(eachdd.J一
8.5,9.5Hz,gluH一2,27),5.06,5.04(eacht,
,一10Hz,gluH一4,4’).4.40(m,gluH一5,57),
3.73,3.76(eachd,J一13Hz,gluH6,67).
”CNMR(acetone—deD20)d:94.2(gluC1),
72.2(gluC一2),73-6(gluC一3),71.1(gluC一4),
73.7(gluC一5),63.4(gluC6).
4 Resultsandiscussion
CompoundI:Fasta ombombardmentmass
spectrum(FAB—MS)showedanseudonlolecular
万方数据
·812· 中革菊ChineseTraditionalandHerbalDr gs第37卷第6期2006年6月
ionpeakatm/g:1893EM+Na]+.A2Hsinglet
andnine1Hsingletsin hearomaticregionofthe
1HNMRspectruma eattributableto Ggroup.a
Valgroup,andthreeHHDPgroups.The1H—
NMRspectrumofI showedthesugarwasfullya—
cylated(seeninTable1).The”C—NMRspectrum
showed12glucosecarbonsignalsexhibitingassix
pair—likesignals(1:1).indicatinga alogyfthe
substitutentsoneachglucosecore.Tenestercar—
bonylcarbonresonancesi the”C—NMRspectrum
wereconsistentwiththepresenceofthesegroups
(seenj Table1).Theabsoluteconfiguretionof
eachHHDPandVALgroupin 1 wasdetermined
tobe(5)一seriesbythetrongpositiveCottonef—
feetat236nminthecirculardichroism(CD)spec
trum[⋯.BasedOilthesepectrald ta,compound
1 wasdeducedtobeadimerformedbyC一0oxida—
tirecouplingbetweentwomolesofcasuarictin
(n,).Thestructureof 1 wasconfirmedbyits
chemicalconversionjntaknowndimmerroxbinA
(I1Ⅲandbyenzymaticdegalloylation.Thestruc—
HO
ureof I is thusassignedtoheterophylliinD
(Fig.1).
Table1 1H—NMRand”C—NMRChemicalshifts
0fl and1V(500MHz.acetone-de)
Fig·1SturctureofcompoundsI andI
Acknowledgements:ThankstoOkayamaUni— Corylusheterophylla【J]ChmTraditHerbDrugs(中草药),
2004,35(9):605508
7er8ityforFAB-MS,H-NMR,and13C—NMR
r2]sunDw.(?hemistry“v。ge。d6如7乙⋯。【植物单宁化学)
spec—tralmeasurements· [M]Beijing:ChineseForestryPublishingHouse,1992
Rmrences: 口。搿toH。,M州ik。iK。,。Yo。sj等叠悉筹‘imnsA。--。G’胁Cglu:
[1]JlnZx·WangI一.Studiesoncomponentsfromheleavesof BⅣ胛,1999,47“):536542.
万方数据
平榛鞣质成分研究(Ⅲ)
作者: 王立, 金哲雄, WANG Li, JIN Zhe-xiong
作者单位: 东北林业大学,森林植物生态开放研究实验室,黑龙江,哈尔滨,150040
刊名: 中草药
英文刊名: CHINESE TRADITIONAL AND HERBAL DRUGS
年,卷(期): 2006,37(6)

参考文献(3条)
1.Jin Z X.Wang L Studies on components from the leaves of Corylus heterophylla[期刊论文]-中草药
2004(09)
2.Sun D W 植物单宁化学 1992
3.Ito H.Miki K.Yoshida T Elaeagnatins A-G,C-glucosideic ellagitannins from Elaeagnus 1999(04)

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