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inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,5KGS,10KGS,25
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inquiry(E,E,E)-2,7-dimethylocta-2,4,6-trienedial CAS:5056-17-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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inquiry2,7-DIMETHYL-2,4,6-OCTATRIENDIALAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiry2,2'-(1,6-Dimethyl-1,3,5-hexatrienylen)bis(5,5-dimethyl-1,3-dioxan)
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran at 20℃; for 2h; Hydrolysis; | 94% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With hydrogenchloride In acetone for 0.166667h; Ambient temperature; | 92% |
(2E,4E,6E)-1,1,8,8-tetramethoxy-2,7-dimethylocta-2,4,6-triene
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With acetic acid In tetrahydrofuran at 45℃; for 3h; | 90% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With sodium acetate; acetic acid In water at 95℃; | 85% |
methyl prop-1-enyl ether
1,1,4,4-tetramethoxy-2-butene
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Stage #1: methyl prop-1-enyl ether; 1,1,4,4-tetramethoxy-2-butene With iron(III) chloride In toluene at 25℃; for 6h; Stage #2: With sulfuric acid; water In toluene at 80℃; for 5 - 8h; Stage #3: With water; sodium hydrogencarbonate In toluene at 80 - 85℃; for 3 - 4h; Product distribution / selectivity; | 83.6% |
(E)-3-iodo-2-methylprop-2-enal
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With triphenyl-arsane; tris-(dibenzylideneacetone)dipalladium(0) In 1-methyl-pyrrolidin-2-one at 25℃; | 80% |
(2E,4E,6E)-2,6-dimethylocta-2,4,6-triene-1,8-diol
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With manganese(IV) oxide In acetone at 0 - 20℃; | 73% |
With manganese(IV) oxide In acetone at 0℃; | 58% |
With manganese(IV) oxide In acetone at 0℃; | 26% |
methyl (Z)-prop-1-enyl ether
trans-butenedial bis-(dimethyl acetal)
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide In water | 67% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With p-toluene sulfinic acid In 1,4-dioxane for 0.25h; Heating / reflux; | 66% |
With toluene-4-sulfonic acid In 1,4-dioxane for 0.25h; Product distribution / selectivity; Heating / reflux; | 66% |
With toluene-4-sulfonic acid In 1,4-dioxane for 0.25h; Inert atmosphere; Reflux; | 16% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With acetic acid In tetrahydrofuran; water at 45 - 54℃; for 3h; Product distribution / selectivity; | 58.8% |
Multi-step reaction with 2 steps 1: acetic acid / water; tetrahydrofuran / 45 °C / Inert atmosphere 2: toluene-4-sulfonic acid / 1,4-dioxane / 0.25 h / Inert atmosphere; Reflux View Scheme | |
With acetic acid In tetrahydrofuran; water at 45 - 54℃; for 3.5h; | 10.75 g |
2,2'-(1,6-Dimethyl-1,3,5-hexatrienylen)bis(5,5-dimethyl-1,3-dioxan)
A
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
B
7-(5,5-Dimethyl-1,3-dioxan-2-yl)-2,7-dimethyl-2,4,6-octatrienal
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; dichloromethane for 0.0333333h; Ambient temperature; Yields of byproduct given; | A n/a B 37% |
Pyruvic aldehyde dimethyl acetal
tetraethyl (E)-2-butene-1,4-diphosphonate
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Stage #1: Pyruvic aldehyde dimethyl acetal; tetraethyl (E)-2-butene-1,4-diphosphonate With sodium hydride In tetrahydrofuran at 0 - 60℃; for 3h; Inert atmosphere; Cooling with ice; Stage #2: With sulfuric acid In tetrahydrofuran; water at 0 - 50℃; for 2.5h; | 35% |
2,7-dimethyl-octa-2,6-diene-1,8-diol
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With manganese(IV) oxide; chloroform |
2,7-dimethyl-octa-2t,4c,6t-trienedial
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With benzene | |
With iodine; Petroleum ether; benzene |
2,7-dimethyl-octa-2t,4c,6t-trienedial
benzene
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With 1,4-dioxane; phosphoric acid; hydroquinone at 100℃; | |
With water; acetic acid; ethyl acetate at 100℃; in Gegenwart von Hydrochinon; |
2,7-dimethyl-octa-2,6-diene-1,8-diol
chloroform
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
2,7-dimethyl-octa-2t,4c,6t-trienedial
iodine
benzene
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
mit Licht.Irradiation; |
4-chloro-2-methyl-2-buten-1-al neopentyl acetal
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 95 percent / Na2S*9H2O / methanol / 10 h / 20 °C 2: 80 percent / urea-hydrogen peroxide; phthalic anhydride / acetonitrile / 1 h / 0 °C 3: 82 percent / KOH / 2-methyl-propan-2-ol; CCl4 / 5 h / 20 °C 4: 94 percent / HCl / tetrahydrofuran / 2 h / 20 °C View Scheme |
(E)-4-chloro-2-methylbut-2-enal
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 75 percent / p-TsOH / benzene / 3 h / Heating 2: 95 percent / Na2S*9H2O / methanol / 10 h / 20 °C 3: 80 percent / urea-hydrogen peroxide; phthalic anhydride / acetonitrile / 1 h / 0 °C 4: 82 percent / KOH / 2-methyl-propan-2-ol; CCl4 / 5 h / 20 °C 5: 94 percent / HCl / tetrahydrofuran / 2 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 30.1 g / CuCl2; LiCl / ethyl acetate / 0.5 h / 80 °C 2: 75 percent / p-TsOH / benzene / 3 h / Heating 3: 95 percent / Na2S*9H2O / methanol / 10 h / 20 °C 4: 80 percent / urea-hydrogen peroxide; phthalic anhydride / acetonitrile / 1 h / 0 °C 5: 82 percent / KOH / 2-methyl-propan-2-ol; CCl4 / 5 h / 20 °C 6: 94 percent / HCl / tetrahydrofuran / 2 h / 20 °C View Scheme |
bis(3-formyl-3-methyl-2-propenyl) sulfide dineopentyl diacetal
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 80 percent / urea-hydrogen peroxide; phthalic anhydride / acetonitrile / 1 h / 0 °C 2: 82 percent / KOH / 2-methyl-propan-2-ol; CCl4 / 5 h / 20 °C 3: 94 percent / HCl / tetrahydrofuran / 2 h / 20 °C View Scheme |
bis(3-formyl-3-methyl-2-propenyl) sulfone dineopentyl diacetal
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 82 percent / KOH / 2-methyl-propan-2-ol; CCl4 / 5 h / 20 °C 2: 94 percent / HCl / tetrahydrofuran / 2 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: N-bromosuccinamide; water / 10 h 1.2: NaOH / H2O / 1 h / 20 °C 2.1: 30.1 g / CuCl2; LiCl / ethyl acetate / 0.5 h / 80 °C 3.1: 75 percent / p-TsOH / benzene / 3 h / Heating 4.1: 95 percent / Na2S*9H2O / methanol / 10 h / 20 °C 5.1: 80 percent / urea-hydrogen peroxide; phthalic anhydride / acetonitrile / 1 h / 0 °C 6.1: 82 percent / KOH / 2-methyl-propan-2-ol; CCl4 / 5 h / 20 °C 7.1: 94 percent / HCl / tetrahydrofuran / 2 h / 20 °C View Scheme |
methyl (E)-4-bromo-2-methylbut-2-enoate
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: copper-zinc; tetrahydrofuran / Erwaermen des Produkts mit N-Brom-succinimid und wenig Dibenzoylperoxid in Tetrachlormethan unter Belichtung und Erhitzen des erhaltenen Produkts mit 2,4,6-Trimethyl-pyridin und wenig 2,4-Dimethyl-pyridin 2: lithium alanate; diethyl ether 3: acetone; manganese (IV)-oxide View Scheme |
(1E,5E)-1,6-dimethyl-1,6-diformyl-1,5-hexadiene-3-yne
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Lindlar-catalyst; methanol / Hydrogenation 2: iodine; benzene; petroleum ether View Scheme |
2,7-dimethyl-octa-2ξ,4c,6ξ-triene-1,8-diol
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetone; manganese (IV)-oxide / unter Lichtausschluss 2: iodine; benzene; petroleum ether View Scheme |
dimethyl (2E,4E,6E)-2,7-dimethylocta-2,4,6-triene-1,8-dioate
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: lithium alanate; diethyl ether 2: acetone; manganese (IV)-oxide View Scheme | |
Multi-step reaction with 2 steps 1: diisobutylaluminium hydride / tetrahydrofuran; hexane / 1 h / -78 - -20 °C / Inert atmosphere 2: manganese(IV) oxide; sodium carbonate / acetone / 0 - 25 °C / Inert atmosphere View Scheme |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
4'-((diphenylphosphinoyl)methylene)-2,2':6',2''-terpyridine
Conditions | Yield |
---|---|
With lithium diisopropyl amide | 98% |
Conditions | Yield |
---|---|
With sodium hydroxide In dichloromethane; water at 20℃; for 10h; | 98% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
(1E)-1-(2,6,6-trimethylcyclohex-1-enyl)-3-methyl-1,4-pentadien-3-ol
triphenylphosphine
beta-carotene
Conditions | Yield |
---|---|
Stage #1: (1E)-1-(2,6,6-trimethylcyclohex-1-enyl)-3-methyl-1,4-pentadien-3-ol; triphenylphosphine With hydrogenchloride In methanol; water at 45℃; for 1h; Stage #2: (2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial With 1,2-bis (3-methylimidazolium-1-yl) ethane dihydroxide; sodium carbonate In methanol; water at 20℃; for 3h; Reagent/catalyst; Temperature; Wittig Olefination; Inert atmosphere; | 95% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
A
(3S,3'S)-astaxanthin
B
(3R,3'S)-3,3′-dihydroxy-β,β′-caroten-4,4′-dione
Conditions | Yield |
---|---|
With sodium methylate In methanol at 0 - 25℃; for 4h; | A 94.6% B 4.2 % Chromat. |
In various solvent(s) for 20h; Heating; | A 97.7 % Chromat. B 2.1 % Chromat. |
Conditions | Yield |
---|---|
With sodium t-butanolate In dimethyl sulfoxide; toluene at -20℃; for 6h; Reagent/catalyst; Temperature; Solvent; | 92.1% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
<(2'E,4'E)-5'-(2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl)-3'-methyl-2',4'-pentadienyl>triphenylphosphonium chloride
3-oxo-12'-apo-ε-caroten-12'-al
Conditions | Yield |
---|---|
With sodium methylate In methanol; dichloromethane at -20℃; | 92% |
Conditions | Yield |
---|---|
With ethyloxirane | 91.3% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With ethyloxirane In ethanol for 20h; Heating; | 90% |
diethoxyphosphoryl-acetic acid ethyl ester
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
diethyl-10,10'-diapocarotene-10,10'-dioate
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 20℃; for 0.5h; | 88% |
Conditions | Yield |
---|---|
With sodium methylate In methanol; toluene Ambient temperature; | 87% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Z-(3,7-dimethylocta-2,6-dienyl)diphenylphosphine oxide
A
(6Z,8E,10E,12E,14E,16E,18Z)-2,6,10,15,19,23-hexamethyl-tetracosa-2,6,8,10,12,14,16,18,22-nonaene
B
2,6,10,15,19,23-hexamethyl-2,6,8,10,12,14,16,18,22-tetracosanonaene
C
(6Z,8E,10E,12E,14E,16E,18E)-2,6,10,15,19,23-Hexamethyl-tetracosa-2,6,8,10,12,14,16,18,22-nonaene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran for 3h; Ambient temperature; | A 86% B n/a C n/a |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With palladium diacetate In ethanol Heating; | 85% |
2,7-dimethyl-octa-2t,4c,6t-trienedial
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
Stage #1: 2,7-dimethyl-octa-2t,4c,6t-trienedial; (2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial; [(4E)-5-(4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-2,4-pentadienyl]-triphenylphosphonium bromide In 2-(2-methoxyethoxy)ethyl alcohol; dichloromethane at 21℃; for 0.5h; Wittig Reaction; Stage #2: With sodium methylate In methanol; 2-(2-methoxyethoxy)ethyl alcohol; dichloromethane at 0 - 3℃; for 2.5h; Stage #3: With acetic acid In methanol; 2-(2-methoxyethoxy)ethyl alcohol; dichloromethane at 105 - 107℃; for 4h; Product distribution / selectivity; | 84% |
Stage #1: 2,7-dimethyl-octa-2t,4c,6t-trienedial; (2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial; [(4E)-5-(4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-2,4-pentadienyl]-triphenylphosphonium bromide In 2-methoxy-ethanol at 25 - 45℃; for 0.5h; Wittig Reaction; Stage #2: With sodium methylate In methanol; 2-methoxy-ethanol at 25 - 30℃; for 2.16667h; Stage #3: With acetic acid In methanol; 2-methoxy-ethanol at 100℃; for 4h; Product distribution / selectivity; | 82.2% |
Stage #1: 2,7-dimethyl-octa-2t,4c,6t-trienedial; (2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial; [(4E)-5-(4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-2,4-pentadienyl]-triphenylphosphonium bromide In 2-(2-methoxyethoxy)ethyl alcohol at 25 - 80℃; for 0.5h; Wittig Reaction; Stage #2: With sodium methylate In methanol; 2-(2-methoxyethoxy)ethyl alcohol at 25 - 30℃; for 2.5h; Stage #3: With acetic acid In methanol; 2-(2-methoxyethoxy)ethyl alcohol at 100℃; for 4h; Product distribution / selectivity; | 75.2% |
Stage #1: 2,7-dimethyl-octa-2t,4c,6t-trienedial; (2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial; [(4E)-5-(4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-2,4-pentadienyl]-triphenylphosphonium bromide In 1-methoxy-2-propanol at 25 - 80℃; for 0.5h; Wittig Reaction; Stage #2: With sodium methylate In methanol; 1-methoxy-2-propanol at 25 - 30℃; for 2.16667h; Stage #3: With acetic acid In methanol; 1-methoxy-2-propanol at 100℃; for 4h; Product distribution / selectivity; | 70.57% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
Conditions | Yield |
---|---|
With ethyloxirane; water 1.) reflux; 2.) ethanol, reflux, 18 h; (Z->E) isomerisation in heptane; | 82.5% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
(3R,3'R)-3,3′-dihydroxy-β,β′-caroten-4,4′-dione
Conditions | Yield |
---|---|
81.2% |
Conditions | Yield |
---|---|
With sodium methylate In methanol; toluene Ambient temperature; | 81% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
(all-E)-8-hydroxy-2,7-dimethylocta-2,4,6-trienal
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol | 80% |
With sodium tetrahydroborate In methanol |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
(2E,4E,6E)-8-Benzo[1,3]dithiol-2-ylidene-2,7-dimethyl-octa-2,4,6-trienal
Conditions | Yield |
---|---|
With sodium hydroxide In dichloromethane | 80% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
3,3'-dihydroxy-β,β-carotene-4,4'-dione
Conditions | Yield |
---|---|
Stage #1: (2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial; [(4E)-5-(4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-2,4-pentadienyl]-triphenylphosphonium bromide With ethyloxirane In isopropyl alcohol for 18h; Heating / reflux; Stage #2: In dichloromethane Heating / reflux; | 80% |
In various solvent(s) at 63℃; for 20h; Condensation; Wittig reaction; | 55% |
With ethyloxirane at 63℃; for 20h; | 54.7% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
(2E,4E)-<5-(2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-2,4-pentadien-1-yl>triphenylphosphonium bromide
canthaxanthin
Conditions | Yield |
---|---|
With sodium methylate In methanol; dichloromethane at -10℃; for 1h; | 78% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
neryltriphenylphosphonium bromide
A
(6Z,8E,10E,12E,14E,16E,18Z)-2,6,10,15,19,23-hexamethyl-tetracosa-2,6,8,10,12,14,16,18,22-nonaene
B
(6Z,8Z,10E,12E,14E,16Z,18Z)-2,6,10,15,19,23-Hexamethyl-tetracosa-2,6,8,10,12,14,16,18,22-nonaene
Conditions | Yield |
---|---|
In tetrahydrofuran at 0℃; | A 77% B n/a |
In tetrahydrofuran at 0℃; |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
(all-E)-(3R)-3-hydroxy-12'-apo-β-caroten-12'-al
Conditions | Yield |
---|---|
With sodium hydride In dichloromethane at 20℃; for 12h; | 77% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
A
3,3'-dihydroxy-β,β-carotene-4,4'-dione
B
semi-astacene
C
Triphenylphosphine oxide
Conditions | Yield |
---|---|
Stage #1: (2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial; [(4E)-5-(4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-3-methyl-2,4-pentadienyl]-triphenylphosphonium bromide With sodium methylate In methanol; dichloromethane at -5℃; for 19.6 - 20.5h; Stage #2: With acetic acid In methanol; dichloromethane Product distribution / selectivity; | A 75.8% B n/a C n/a |
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