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1,2,3-Trimethoxy-4-ethyl-9-oxo-7,9-dihydrobenzo[a]heptalene

Compound with spectra: 1 MS (GC)

SpectraBase Compound ID 15Ekq5SaxZ5
Mol Weight 0.0 g/mol
Molecular Formula C21H22O5
Exact Mass 0.0 g/mol

View Spectrum of 1,2,3-Trimethoxy-4-ethyl-9-oxo-7,9-dihydrobenzo[a]heptalene

MS (GC) Spectrum
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Source of Spectrum H-78-1272-31
13',16':18',21'-dietheno-1,1''-diethyl-3',14',20',31'-tetramethyldispiro[piperidine-4,17'-[5,12,22,29]tetraoxa[37,40,41]triazatetracyclo[31.13.1.0.(4,45).0(30,35)]heptatetraconta-1',3',13',15',18',20',30',34',35',45'-decaene-47',4''-piperidine]-38',42'-dione
Methyl 2.beta.-(2'-(m-isopropyl-phenyl)ethyl)-1.beta.,3.alpha.-dimethyl-cyclohexanecarboxylate (so name and structure in Anderson & Botto) but MS (intense fragement at m/z = 187) and RT suggest 2.alpha.-epimer instead, with Reg. No. 19556-80-0? a methyl seco-dehydro-abietate
6H,10H,16H,18H,32H,34H-5,9:17,21-Dimethano-11,15-metheno-1,25[1',3']-pyrimidino-5H,27H-dibenzo[b,u][1,23,4,8,16,20]dioxatetraazacyclohexa cosine-32,37,39-trione, 7,8,19,20,28,29,35,36-octahydro-38-methoxy-13-methyl-
(1aR,3S,4-R,4aS,5S,8aS,9aS)-2,3,4,4a,5,7,8a,9-Octahydro-5,8a-dihydroxy-4,4a,6-trimethyl-7-oxo-1aH-oxireno[2,3:8,8a]-naphtho[2',3'-b]furan-3-yl (E)-2-Methylbut-2-enoate (E)-2-Methylbut-2-enoate(1aR,3S,4-R,4aS,5S,8aS,9aS)-2,3,4,4a,5,7,8a,9-Octahydro-5,8a-dihydroxy-4,4a,6-trimethyl-7-oxo-1aH-oxireno[2',3':8,8a]-naphtho[2,3-b]furan-3-yl (E)-2-Methylbut-2-enoate
1,2,3,4,4a,5,6,-octahydro-3.alpha.-(tert-butyldimethylsilyloxy)-4b.beta.,8.alpha.-dimethyl-1.alpha.-[2-(methoxymethoxy)ethyl]-2.alpha.-((methoxymethoxy)methyl)-7H-2.beta.,10a.beta.-(epoxymethano)-phenanthrene-7,10(8H)-dione 7-(ethylene acetal)
2-Propenoic acid, 3-phenyl-, 1,1a,1b,1c,2a,3,3a,4,6a,6b,7,8-dodecahydro-3a,6b-dihydroxy-1,1,5,7-tetramethyl-4-oxo-2a-[[(1-oxo-3-phenyl-2-propenyl)oxy]methyl]-8aH-cyclopropa[5',6']benz[1',2':7,8]az uleno[5,6-b]oxirene-8,8a-diyl ester, [1aR-(1a.alpha.,1b.beta.,1c.beta.,2a.beta.,3a.beta.,6a.alpha.,6b.alpha.,7.alpha.,8.beta.,8a.alpha.)]-
(5b.alpha.,5c.alpha.,8a.alpha.,8b.alpha.)-5c,8c-Dibromo-5b,7,8b-trimethyl-2-(4-methylphenyl)-5,5b,5c,8a,8b,9-hexahydro-1H,6H-pyrrolo[4'',5'':3',4']cyclobuta[1',2':3,4]cyclobuta[1,2-d][1,2,4]triazolo[1,2-a]pyridazine-1,3,6,8(2H,7H)-tetraone
Chromium, [.mu.-[[2,6-bis(trifluoromethyl)phenyl]diphosphenyl-P1:P1]]pentacarbonyl[dicarbonyl[(1,2,3,4,5-.eta.)-1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-yl]iron]-, stereoisomer
4H-9,12:15,18-Dietheno-28,31-imino-26,23-methenopyrrolo[2,3-n][1,19,6]dioxaazacyclohentriacontine-6,21,24(5H,22H,25H)-trione, 30-ethyl-2-[(3-ethyl-1,5-dihydro-4-methyl-5-oxo-2H-pyrrol-2-ylidene)methyl]-8,13,14,19-tetrahydro-3,29,34-trimethyl-, (Z,Z,Z)-
2-(1'-Methyl-1-phenylethyl)cyclohexyl (1S*,2R*)-hexahydro-5-[(tetrahydro-2H-pyran-2'-yl)oxy]-6-[3''-(tetrahydro-2H-pyran-2"-yl)oxy-1"-octenyl]-2-pentalenyl]acetate
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