• 検索結果がありません。

Synthetic study 1-methoxyindoles and 1-methoxy-2-oxindoles

N/A
N/A
Protected

Academic year: 2022

シェア "Synthetic study 1-methoxyindoles and 1-methoxy-2-oxindoles"

Copied!
7
0
0

読み込み中.... (全文を見る)

全文

(1)

1‑methoxy‑2‑oxindoles

著者 Somei Masanori, Sato Haruhiko, Komura Naoko, Kaneko Chikara

journal or

publication title

Heterocycles

volume 23

number 5

page range 1101‑1106

year 1985‑01‑01

URL http://hdl.handle.net/2297/4303

(2)

HETEROCYCLES,Vbl23,No.5,1985

SYNTHETエCSmUDYFOR1-METHOXYエNDOLESAND1-METHOXY-2-OXエNDOLES1

MasanoriSome1,*HaruhikoSato,NaokoKomura,andChikaraKaneko2

FacultyoどPharmaceuticalSciences,KanazawaUniversity,

l3-1Takara-machi,Kanazawa920,.apa、

Abstract.The且rstsynthesesofl-methoxYpimprinine,

9-methoxy-6-carbolinederivatives,and3,3-disubstitutedl-methoxY-

2-oxindolesarereported・ApracticalshortstepsYntheticmethod Eorl-methoxyindole-3-acetonitrileisalsoreported.

ェsolationoEanumberoモユーmethoxYindolederivatives3fromp1antsandmicroorgan-

ismspromptedustosynthesize1-methoxyanalogsofbio10gica11Yactiveindo1e derivatives・エnthisreport,wewishtodescribetheEirstsYnthesesoE1-methoxy-

pimPrinine,9-methoxY-B-carbolinederivativesincluding9-methoxyharman,and3,3-

disubstituted1-methoxy-2-oxindoles・Synthesisofnaturalauxin,41-methoxYindole-

3-acetonitrile,isalsoreported.

エ.PreparatユonoゼエーMethoxvp1mprユ、ユne

Readi1yavailabエe1-methoxyindo1e(2),preparedfrom2-nitrotoluene(1)in62g

yieエd'5wasreactedwithchloroacetylchlorideinreE1uxingbenzenetoaEford82g yieldof3-chloroacetyl-1-methoxyindole6a(3a).Treatmentof3awithaqueous ヂ、へシ 夢、グー

a、エIlonユaユnasealedtubeYie1ded3-(2-amユnoacetY1)-1-methoxYindo1e6b(4)in35gO0 J、〆

yield・Thiscompound(4)vvasfoundtobeunstableandpolymerizeonstanding・

バン

ThereEo]Ee,immediatelyaどterpreparationoE4asdescribedabove,itreacted

withoutpuriEicationwithacetylchlorideinmethYlenechlorideandtriethylamine

toproduce3-(N-acetyl-2-amユnoacetY1)-1-methoxyindole6c(5)in44goverallyield・ ハン

SubseQIuenttreatmentof5withpolyphosphateesterinre五luxingch1oroformgave

,、6.(6a).Thestructureo五6awasconEirmedune-

788yieldoE1-methoxypimprユ、ユne ヘジ、グ ゲソレ

QIuivocallybytheEactthathydrogeno1ysiso全5aover1O愚pal1adiumoncarbongave

へび、ゲ

99:iYieldofpimprinine7(6b),whichwasidenticalwiththesamp1epreparedErom ヘリ臼‐

3-ch1oroacetylindole(3b)accordingtothesamereactionsequencesasdescribed

へヘク

aboveど。]二6a・

ゲミヘグ

-1101-

(3)

TreatmentoE1-methoxyindo1e(2)withl-dimethylamino-2-nitroethylene8inaceto- ゲ、〆

nitriエeandtrif1uoroaceticacidproducedl-methoxy-3-(2-nitrovinyl)indoエe6e(7)

in768yield・SubseCIuentreductiono造7withsodiumborohydridein2-propanoland

ノミグ

chloroEorminthepresenceoEsi1icage19afEordedl-methoxy-3-(2-nitroethy1)-

indole6だ(8)in72号yield、Onheating8withhexamethy1phosphoroustriamide1Oand

「し

triethylamineinl,2-dich1oroethaneat80oC,itwasconvertedto1-methoxyindo1e-

3-acetonitrile6g’11(9),anatura1aux1n

、4isolatedEromChinesecabbage,in53g

yieエ。、Thus,apracticaエsyntheticmethod造or9wasestablishedfrom2-nitro-’、グ ヒoユuene(エ)inEourstepswitha17患overallyield.

エエエ.PreparaヒエonoE9-Methoxy-6-carbo1ineDerivatives

ReductionoE7withlithiumaluminumhydrideinrefluxingethergenerated62g

yie1doE1-methoxytrypl二amine6h’’3(10).FormylationoflOwascarriedoutbythe

へ■、 ヂーー reactionwithどormicacidandaceticanhydrideatroomtemperaturetoyieldNb-

Eormy1-1-methoxytryptamine6i(1lb)in918yie1d・Whentheamユne(10)reacted ヘジベデー ゲゾ、"

witheitheracetylchlorideorpropionylchlorideinmethylenech1orideandtri-

ethylamine,thecorrespondingNb-acety1-6j(エエc)andNb-prop1onY1-1-methoxytript-

ヘジベリ、ジ

.6k(エユa)wereproducedin86患and818yields,respective1y・

alnユne

~~臼ゲ

ConstructionoどB-carbo1inestructurewasexaminedundervariousreactioncondi-

tionsusingエエa,andEinallyfoundthatsynthesisofveryunstab1e3,4-dihydro-1-へヂソミグ

ethy1-9-methoxy-6-carboline61(12a)wasachievedin63号yieldonlYwhen11awasre-P ̄V、ツー ーグ、グー~

actedwithphosphoryエchlorideat110oCfor20min・SubseQ【uentreductionoE12aハグーベジ withsodiumborohydrideinmethanolaffordedl-ethyl-9-methoxy-エ,2,3,4-tetrahydro-

6-carboline6m(13a)in90gyield,whichwasstableincontrasttothecompound PV臼ジヘグ

(12a).SjmiLarly,thecompounds,(1lb)and(11c),wereconvertedtothecorre-

ハデV、グザ 夢V、ザ、‐ へ〆、グー

sponding9-methoxy-1,2,3,4-tetrahYdro-6-carbolines,(13b)6,and(13c),6oin61号へジン、 ̄ 戸一、-,夕

and58$overaエエyieユ。s,respectivelybysuccessivelYconductingoどtheabove mentionedcyclizationandreduction・

OxidatユonoE12awith2,3-dichloro-5,6-dicyano-1,4-benzoquinoneinmethylene ハザ、へP

ch1orideatroomtemperaturea正ordedl-ethy1-9-methoxy-B-carbo1ine6p(14a)andへジン、ハジ

ユーethy1-l3-carboline(15)in4号and1O患yields,respectivelY・Thecompound(14a)グーL~

ヂレ丙バグ■’

wasquiteunstableanddecomposed]ごapidlytol5onstanding・Ontheotherhand,ハゾ、-

oxidationoE13bwithactivemanganesedioxide12(l1moleq.)inreE1uxingbenzene 伊田ヘヘグ

generatedstab1e3,4-dihydro-9-methoxY-6-carboline6QI(ユ2b)in56gyield、Whenanグンヘ〆、‐

excessamounto造manganesedioxide(49moleq.)wasusedinrefuxingbenzene,

-1102-

(4)

HETEROCYCLES,Vbl23,No.5,1985

9-methoxy-6-carbo1ine6rU4b)wasobtaユnedasastablecompounddirect1YErom13b ヘニジー ハゴ、リ、’

in50gyie1d・Underthesamereactionconditions,unstableエーmethyl-9-methoxy-β‐

carboline6s(14c),9-methoxyharman,waspreparedinl4号Yielddirectlyfroml3c・ヘリ、- ̄ グー、戸、グ

ェtisinterestingtonotethatthereisasignificantdifferenceinstability amongthesecompounds(14a-c)andstabi1ityorderisl4b>14c>14a・Thisresult

~~~ ̄--- ヂーーーへグー■内げ ̄~-

clearlyshowsthatthestabilitydecreasesvvithincreasingstericbulkinessoE1-

substituent・However,itisnotsurprユsユngthat9-methoxY-1-vinyl-6-carboline3b'。

(16)hasbeenisolatedasastablenaturalproductbecauseitsl-substituenthas

ヘリ、ヂ

sp2hyb]ごidizedcarbons・

Cata1YticreductionoE14boverlOgpalエadiumoncarbona五forded86gyieldoE6-

ヘリベグー

carboline,whichvvasidentica1withthesamp1epreparedbytheconventionalmethod

Eromtryptamine、Thus,thestructuresofB-carbolines(l4a-c)wereconfirmed・

へジベニヘーベジ、-

-2-。xindoleDerivatives エV・Preparationof3,3-DisUbstituted l-methox

Thereactionofmethyl2-nitrophenylacetate(エ7)with1,1-dimethylpropargyエハジー

chlorideinthepresenceoEsodiumhydrideinabsoluteN,N-dimethy1Eormamide

a丘orded56急yie1doEmethyl3-ethynyl-3-methyl-2-(z-nitrophenyl)butYlate6t(18).

へツーP

Reductiono造18withzincandammoniumchlorideinmethanolandwaterandsubse-

へ-

quentmethy1al二ionoEtheresultant1-hYdroxy-compoundwithethereaエdiazomethane

produced67gyie1d○だ3-(1,1-dimethylpropargyl)-1-methoxY-2-oxindo1e6u(19ル

ヘヘグ

Treatmentofl9withallylbromideandpotassiumt-butoxideinabsoluteN,N-di-

PL伊

me上hy1formamidegenerated69号yieldo至3-allyl-3-(1,1-dimethylpropargY1)-1-

methoxy-2-oxindole6v(20a).Similarly,3-(1,1-dimethylpropargyl)-1-methoxy-3-(2- グ、'V-

methoxycarbonylethyl)-2-oxindo1e6w(20b)vvasobtainedin83名Yie1dbythereaction ̄、ターグ、夕

oE19withmethylacrylateandsodiumhydrideinabsoluteN,N-dimethylEormamjLde、

P、ゲ エnconcエusion,l-methoxyindolestructurevvasfoundtoto1eratetovarioustypesof reactionconditionsasdescribedabove,thoughdemethoxy1ationwasoモtenobserved inoxidativereactionsandespeciallyundertheirradiationoE1ight・Basedon

theseresu1ts,wearecurrent1Ypursu1ngthesyntheticprojectEoroxalines3a'c'e

andl-methoxyanalogsofergotalkaloids.

-1103-

(5)

0 0

αI:‘ 一/ mⅧ』

-P

H2

a:R=OMe b:R=H

句■I⑲ OMe

>M・ I。

○ こ

--

○m

oMe

lOOMe

OMeMe

OH llll RR

●●●● ab

シヘ

ミー

02

卜「し

一一 ○□

8 OMe

~、伊 a、【媚】C ●●■●●● RRR r〃〃 ------ EHM ハヴー a、(》〕 ●●●●

RRR y〃Plllll- EHM

CN

or。○ OpC <コワ○

OMe 50

~、 ̄ 15 へ学一 ab RR l--- ⅡH

ll -R

/「、

=CO ,,

NO2

oMe

OMe

--

OMe 20oMe へシーツ

RIC= ̄CH2CH=CH2

Roo=-CH2CH2COOMe

17

ハヂー 18 ペリー 19

ヘハジ

●●●C aU〔】

-1104-

(6)

HETEROCYCLES,Vbl23,No.5,1985

REFERENCESANDNOTES

1.Presentedpartlyatthe1OthSymposユumonProgressinOrganicReactionsand

Syntheses,Tokyo,November'1983.SymposiumPapers,p121.Thisreportispart

XXVofaseriesentit1edoITheChemistryoモェndoles・I0PartXXェV:M・Somei,K・

Kizu,Ⅲ、Kunimoto,andF・Yamada,Chem・Pharm・Bul1.,inpress、

2.Presentaddress:Pharmaceuticalエnstitute,TohokuUniversity,Aobayama,

Sendai,980,.apan.

3.a:K・Kawai,K・Nozawa,S・Nakajima,andY・エitaka,Ehem・Pharm・Bu11.,型,94

(1984);b:T・OhmotoandK、Koike,些里.,翌,3198(1983);。:Y,Konda,M・

Onda,A・Hirano,andS・Omura,土土4.,28,2987(1980);ユ:H・WagnerandT. ̄~

Nestler,TetrahedronLetters'1978,2777;e:,.W・Nage1,K、G、R・Pach1er,P.S、ヘダーヂー

Steyn,R・V1eggaar,andP.L,Wessels,Tetrahedron,薯,2625(1976);≦:,.W・

ヘグ Nage1,K、G、R・Pachler,P.S・Steyn,P.L・Wesse1s,G・Gafner,andG..-コ.Kruger,

j・Chem・SOC.,Chem・Comm.,1974,1021;98s.R、。。hns,。.A・Lamberton,and。.L、ヘリ、ン、’、>

Occo1owitz,Aust.。.Che、.,20,1737(1967);h:H・DUorimotoandN,Matsumoto,PLP

Zmn、Che、.,692,194(1966);i:H・MorimotoandH・Oshio,主b、.,682,212へグミソ、ヴ プレヘ’~

(1965);j:R・GmelinandZA・工.Virtanen,ActaChem・Scand.,16,ユ378(1962).夕、ジベジ

M・N○m○七。andS・Tamura,型ニニー旦主且」-些旦辺.,翌,1590(1970).

Ⅲ、SomeiandⅢ、Shoda,11竺竺2ニエニユニニ,唾,1523(1981).

Allmeltingpointsareuncorrected・A11oilycompoundsgavesatisfactoryhigh massdataandcrystallinecompoundsa丘ordedacceptablecombustiondata・エR

absorptionbandsareshownincm-1.1H-NMRsigna1sarereportedinpp、(8)

fromTMS・a:mp103.0-ユ04.5.C・エR(KBr)81661,1513.lH-NMR(CDC13):4.08(3H,

s),4.37(2H,s),7.01-7.51(3且,、),7.84(エH,s),8.01-8.34(エ11,m).DqSm/e:

225and223(、+);b:Oil・エR(錘1m):3346,エ652,15ユ0.lH-NMR(CDC13):2.21

(2H,brs,NH2),3.92(2H,brs),4.09(3H,s),6.82-7.60(3H,、),7.78(1H,

s),7.99-8.42(1H,、).MSm/e:204(M+);c8mp149.0-150.5°C・工R(KBr)83600-

3100(br),1656,1640.lH-NMR(CDCl3)82.06(3H,s),4.09(3H,s),4.53(2H,

d,。=4.4Hz),6.63(1H,brs),7.00-7.53(3H,、),7.90(1H,s),8.00-8.33(1H,

、).MSm/e8246(M+);。:mp49.0-50.5°C、エR(KBr)81637,1578.lH-NMR(CC14):

2.42(3H,s),4.00(3H,s),6.86(1H,s),6.78-7.27(3H,、),7.31(lH,s),

7.48-7.75(1H,、).MSm/e8228(M+);e:mp99.5--100.0°C(1it・l3mplO5-ユ06°C).

エR(KBr肥1621,1472,1308,1250.lH-NMR(CDC13)84.07(3H,s),6.80-7.68(5H,

、),7.41and7.91(eachlH,d,。=13.0Hz).MSm/e8218(M+);玉:Oil、エR(丘1m):

1548,1375.1H-NMR(cc14兆3.30(2H,t,。=7.2Hz),3.93(3H,s),4.43(2H,t,

J=7.2Hz),6.70-7.46(5H,、).MSm/e8220(M+);g8Spectraldatawereidentical

withthoseo五thenaturalproductreportedintheliterature、40i1.ェR(fi1m):

2241.lH-NMR(CDCエ3)83.71(2H,s),4.00(3H,s),6.72-7.63(5H,、).MSm/e:

186(M+);h8Oi1.エR(丘1m):3342,3227,1614,エ580,1451,1320.1H-NMR(CC14):

1.84(2H,brs,NH2),2.49-3.09(4H,、),3.87(3H,s),6.59-7.42(5H,、).MS

m/e:190(M+);i8Oi1.エR(だilm川1664,1532.lH-NmR(CCl4):2.76(2H,七,。=7.2

Hz),3.36(2H,C1,コ=7.2Hz),3.86(3H,s),6.39(エH,brs,NH),6.62-7.54(5H,

、),7.71(1H,brs).ⅢSm/e:218(M+);ユ:Oil・エR(Ei1m):3261,1642,1550.lH-

NMR(cc14兆1.74(3H,s),2.77(2H,t,。=6.4Hz),3.34(2H,q,。=6.4Hz),3.85

(3H,s),6.50-7.50(6H,、).MSm/e8232(M+);k:Oil・エR(Eilm):1643,1550.

lH-NMR(ccエ4):1.01(3H,t,。=7.0Hz),2.01(2H,q,。=7.0Hz),2.77(2H,t,.=

6.5Hz),3.35(2H,brq,。=6.5Hz),3.83(3H,s),6.58(1H,brs,NH),

●●● 、卯}一戸『〕〆【)

-1105-

(7)

NMR(CC14):1.19(3H,t,。=7.0Hz),2.63(2H,t,。=8.0Hz),2.73(2H,q,。=7.0 Hz),3.70(2H,t,。=8.0Hz),3.84(3H,s),6.71-7.44(4H,、).ⅢSm/e:228

(M+);m8Oi1.エR(fi1m)83297,1452.lH-NMR(CC14):1.02(3H,t,。=7.0Hz),

1.53-2.12(2H,、),1.67(1H,s,NH),2.42-2.79(2H,、),2.86-3.22(2H,、),3.

70-4.07(1H,、),3.84(3H,s),6.66-7.36(4H,、).MSm/e:230(M+);n:Oil・

エR(Eilm):3293,1456,1440.lH-NMR(CDC13)81.96(1H,s,NH),2.66(2H,brt,

。=6.0Hz),3.11(2H,t,。=6.0Hz),3.92(3H,s),4.00(2H,brm),6.81-7.46

(4H,、).MSm/e:202(M+):o:Oil・エR(丘1m)83272,1453.lH-NMR(CCl4):1.36

m,brs,NH),1.48(3H,d,。=6.6Hz),2.56(2H,t,。=6.0Hz),3.02(2H,q,。=

6.0Hz),3.86(3H,s),3.76-4.35(1H,、),6.56-7.36(4H,、).MSm/e8216(M+”

E8miscompoundwasquiteunstableoilanddetectedbyhighresolutionmass spectroscopy・Ca1cdどorC14Hユ4N208m/e8226.1105.Found:226.1108.エR(丘1m):

2930,1450;旦80m・工R(fi1m):1435.1H-NMR(CDC13)82.81(2H,t,。=8.0Hz),

3.90(2H,dt,。=8.0and2.5Hz),4.04(3H,s),6.71-7.61(4H,、),8.32(1H,br

s).MSm/e8200(M+);r:0,.エR(fユエ、):l625,1451.1H-NMR(CDC13):4.08(3H,

s),6.94-7.54(3H,、),7.70(1H,。d,。=5.2and1.2Hz),7.89(1H,。t,。=7.5

and1.2Hz),8.29(lH,d,。=5.2Hz),8.75(1H,brs).MSm/e:198(Ⅲ+);s:

Oil・エR(且1m)81620,1569.1H-NmR(CC14)82.86(3H,s),3.94(3H,s),6.76-

7.40(3H,、),7.45(1H,d,。=4.8Hz〃7.80(1H,brd,.=7.2Hz),8.08(1H,d,

。=4.8Hz).MSm/e(212(M+);上:mp82.0-83.0°C・エR(KBr):2114,1729,1528,

1350.1H-NMR(CDCl3):1.16and1.40(each3H,s),2.20(lH,s),3.63(3H,s),

4.4エ(lH,s),7.08-7.77(3H,、),7.89-8.13(1H,、).MSm/e8261(Ⅲ+);且:、P

71.0-72.5°C・エR(KBr):2095,1706.lH-NMR(CDC13)81.13and1.59(each3H,s),

2.17(lH,s),3.24(lH,s),3.87(3H,s),6.65-7.32(3H,、),7.38-7.67(lH,、).

ⅢSm/e:229(M+);Z:、p44.0-46.0°C・エR(KBr)82100,1712.lH-NmR(CC14):0.95

and1.54(each3H,s),2.19(エH,sW2.81(2H,d,。=5.8Hz),3.83(3H,s),

4.50-5.ユ5(3H,、),6.57-7.33(3H,、),7.33-7.70(1H,、).MSm/e:269(M+);w:

Oil・エR(fユユ、)82102,1737,172エ.lH-NMR(CDC13ルユ.O4and1.52(each3H,s),

1.66-2.06(2H,、),2.27(lH,s),2.36-2.76(2H,、),3.47(3H,s),3.93(3H,s),

6.72-7.63(4H,、).MSm/e8315(M+).

K・Umehara,K・Yoshida,M・Okamoto,Ⅲ、エwami,H,Tanaka,M・KohsakaPandH・

エmanaka,L_△生生聖ユニニ,刃,1153(1984),Y・ChenandA・Zeeck,□、Zmtibiotics,

7.

36,913(1983);Y・Koyama,K・Yokose,andL.。.DCユby,

,45,

グミ〆 Aor▲Bic

エ285(1981);H、A・Houwing,。.Wildeman,andZ1.M.vanLeusen, 。.Heterocvclic

Che、.,]し8,エエ33(1981)andreEerencescitedtherein.

 ̄=~

G,BUchiandC-P・Mak,L-2三gLg型1.,弩,1784(1977).

A、K・SinhababuandR.T・Borchardt,TetrahedmnLetterS,24,227(1983).

●● ●●’nm)『0-(x)(〕二『--『’一

 ̄ ̄ ̄ ̄〆、グ

G,A・O1ah,Y、D・Vankar,andB.G、B・Gupta,§ynthesエニ,1979,36.

Quiterecently,ハchesonetal・reportedtheEirstsynthesisoE9:R・皿・Acheson,ゲーグ

G、N・A1dridge,Ⅲ.C、K・Choi,。.0.Nwankwo,Ⅲ.A・Ruscoe,and。.D・Wallis,

..Che、、Res・Svno垣 .,1984,1301.

12. 。.Attenborrow,A、F、G・Cameror,。.H・Chapman,R、M・Evans,B、H・HensJA.B、A・

Uansen,andT・Walken,。.Che、、SOC.,1952,1094.

13.R、M・Acheson,P.G・Hunt,,.M・Litt1ewood,B・A・Murrer,andH.E・Rosenberg,

。.Che、、SOC.,perkmエ,1978,1117.

ReceiveL31stJanuary,1985

-1106-

参照

関連したドキュメント

In this study, we focused on the structural difference, and selected two analysis methods: (1) quantitative determination of reducing sugar obtained by enzymatic hydrolysis, and

26‑1 ・ 2‑162 (香法 2 0 0

23-1•2-lll

[r]

1 to 2 pints * After applying, plant soybean seed as deep as practical or at least 1-1/2 to 2 inches deep. Seed furrow must be completely closed or severe crop injury will result.

The first research question of this study was to find if there were any differences in the motivational variables, ideal L2 self, ought-to L2 self, English learning experience

西山層支持の施設 1.耐震重要施設 2.重大事故等対処施設 1-1.原子炉建屋(主排気筒含む) 2-1.廃棄物処理建屋.

画像 ノッチ ノッチ間隔 推定値 1 1〜2 約15cm. 1〜2 約15cm 2〜3 約15cm