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High Quality Best Price Storage:Store in dry, dark and ventilated place Application:Chemical Synthesis Intermediate
Conditions | Yield |
---|---|
Stage #1: C28H32ClP With sodium methylate In methanol at 20℃; for 0.5h; Wittig Olefination; Inert atmosphere; Stage #2: crocetindial In methanol at 20℃; for 4h; Time; Wittig Olefination; Inert atmosphere; | 38% |
Conditions | Yield |
---|---|
With potassium permanganate; water; benzene at 20℃; Reagens 4: Na2CO3; |
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
With Petroleum ether |
(2E,4E,6E)-8,8-dimethoxy-3,7-dimethyl-octa-2,4,6-trienal
Retinyltriphenylphosphonium Chloride
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
With sodium methylate |
1-[(2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraene-1-sulfonyl]-4-phenoxy-benzene
(2E,4E,6E)-8-bromo-2,6-dimethyl-octa-2,4,6-trienal
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol; N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
In benzene Rate constant; pulse radiolysis; |
Conditions | Yield |
---|---|
In benzene Rate constant; pulse radiolysis; |
Conditions | Yield |
---|---|
In benzene Rate constant; pulse radiolysis; |
beta-carotene
B
trans-β-apo-8'-carotenal
C
15-cis-β-carotene
D
5,6-epoxy-5,6-dihydro-β,β-carotene
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid; (carbonyl)(5,10,15,20-tetramesitylporphyrinato)ruthenium(II) In benzene at 20℃; for 6h; Product distribution; Further Variations:; reaction time; |
15,15'-didehydro-8'-apo-β-caroten-8'-al
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Lindlar-catalyst; quinoline; toluene / Hydrogenation 2: petroleum ether View Scheme |
15,15'-didehydro-10'-apo-β-caroten-10'-al-diethylacetal
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: benzene; ZnCl2; ethyl acetate / Erwaermen des Reaktionsprodukts mit Natriumacetat und wss. Essigsaeure 2: Lindlar-catalyst; quinoline; toluene / Hydrogenation 3: petroleum ether View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: (i) TsOH, MeOH, (ii) aq. NaOH, (iii) MnO2 2: NaOMe View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. propan-2-ol 2: NaOEt / ethanol; dimethylformamide View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: HCl / ethanol 2: NaOMe View Scheme |
beta-carotene
A
(E)-β-ionone
B
4,9,13-trimethyl-15-(2,6,6-trimethylcyclohex-1-enyl)pentadeca-2,4,6,8,10,12,14-heptaenal
C
2,6,6-trimethylcyclohex-1-enecarbaldehyde
D
trans-β-apo-8'-carotenal
E
5,6-epoxy-trans-β-ionone
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; μ-carbido-bis[(5,10,15,20-tetraphenyl-21H,23H-porphyrinato)iron(IV)] In benzene at 24.84℃; Kinetics; Reagent/catalyst; | |
With tert.-butylhydroperoxide; μ-carbido bis(2,3,7,8,12,13,17,18-octapropyl-5,10,15,20-tetraazaporphinato)iron(IV) In benzene at 25℃; Kinetics; Reagent/catalyst; |
Conditions | Yield |
---|---|
With manganese(IV) oxide In 1,2-dichloro-ethane at 25 - 30℃; for 10h; Solvent; Temperature; Inert atmosphere; | 2.58 g |
trans-β-apo-8'-carotenal
4-methoxycarbonylbenzyltriphenylphosphonium bromide
(7'E)-7'-<(4-methoxycarbonyl)phenyl>-7'-apo-β-carotene
Conditions | Yield |
---|---|
With sodium methylate In toluene for 1h; Heating; | 94% |
With sodium methylate In toluene for 7h; Heating; | 62% |
diethoxyphosphoryl-acetic acid ethyl ester
trans-β-apo-8'-carotenal
Ethyl 6'-apo-β-caroten-6'-oate
Conditions | Yield |
---|---|
With sodium methylate In tetrahydrofuran at 20℃; for 0.333333h; | 94% |
trans-β-apo-8'-carotenal
malononitrile
all-trans-7',7'-dicyano-7'-apo-β-caroten
Conditions | Yield |
---|---|
With ammonium carbonate; propionic acid In benzene at 70℃; Knoevenagel condensation; Inert atmosphere; | 85% |
With piperidine In benzene for 3.2h; | 57% |
With triethylamine | 15% |
trans-β-apo-8'-carotenal
all-trans-7'-cyano-7'-pyridyl-7'-apo-β-carotene
Conditions | Yield |
---|---|
Stage #1: trans-β-apo-8'-carotenal; pyridin-4-ylacetonitrile hydrochloride With ammonium carbonate; propionic acid In benzene at 70℃; Knoevenagel condensation; Inert atmosphere; Stage #2: acid-base-catalyzed Knoevenagel condensation; | 82% |
trans-β-apo-8'-carotenal
(+/-)-Essigsaeure-<(2E)-6-acetoxy-3,7-dimethyl-2,7-octadien-1-yl>triphenylphosphonium-bromid
(+/-)-2'-O-Acetylaleuriaxanthin
Conditions | Yield |
---|---|
With sodium hydride In dichloromethane 1.) r.t., 20 h; 2.) reflux, 45 min; | 75% |
sarcosine
trans-β-apo-8'-carotenal
fullerene-C60
Conditions | Yield |
---|---|
for 24h; Reflux; Inert atmosphere; | 75% |
trans-β-apo-8'-carotenal
pyrrolidinium perchlorate
Conditions | Yield |
---|---|
With 4 A molecular sieve In ethanol; dichloromethane for 48h; Ambient temperature; | 70% |
Conditions | Yield |
---|---|
In toluene for 24h; Heating; | 63% |
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
With sodium hydride In dichloromethane 1.) r.t., 20 h; 2.) reflux, 45 min; | 62% |
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
With sodium hydride In dichloromethane 1.) r.t., 20 h; 2.) reflux, 45 min; | 62% |
trans-β-apo-8'-carotenal
(6S)-1-bromo-3-methyl-6,7-O-isopropylidene-2,4-heptadiene-6,7-diol
Conditions | Yield |
---|---|
In diethyl ether for 84h; Ambient temperature; | 59% |
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
Stage #1: trans-β-apo-8'-carotenal; C28H58O2PSi(1+)*Cl(1-) With sodium methylate In methanol; dichloromethane at 20℃; for 0.333333h; Wittig Olefination; Inert atmosphere; Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; for 0.0833333h; Inert atmosphere; | 54% |
trans-β-apo-8'-carotenal
pyrrolidinium hydroiodide
Conditions | Yield |
---|---|
With 4 A molecular sieve In ethanol; dichloromethane for 48h; Ambient temperature; | 53% |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; ethanol for 3h; | 47% |
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
With Lawessons reagent In carbon disulfide for 4h; Inert atmosphere; Reflux; | 47% |
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
Stage #1: trans-β-apo-8'-carotenal; C28H58O2PSi(1+)*Cl(1-) With sodium methylate In methanol; dichloromethane at 20℃; for 0.333333h; Wittig Olefination; Inert atmosphere; Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; for 0.0833333h; Inert atmosphere; | 43% |
trans-β-apo-8'-carotenal
diethyl 4-nitrobenzylphosphonate
(7'E)-7'-(4-nitrophenyl)-7'-apo-β-carotene
Conditions | Yield |
---|---|
With sodium ethanolate | 37% |
trans-β-apo-8'-carotenal
<(1R,4S)-4-Hydroxy-1,2,2-trimethylcyclopentyl>methylketon
Conditions | Yield |
---|---|
With sodium amide In toluene at 0℃; for 5h; | 37% |
Conditions | Yield |
---|---|
With sodium methylate In dimethyl sulfoxide at 65℃; for 3h; | 30% |
Conditions | Yield |
---|---|
With sodium methylate In dimethyl sulfoxide at 65℃; for 3h; | 30% |
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol; dichloromethane for 20h; | 25.5% |
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
With sodium hydride In dichloromethane for 23h; Ambient temperature; | 16% |
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
In various solvent(s) for 72h; Heating; | 2% |
3-methyl-butan-2-one
trans-β-apo-8'-carotenal
5',6'-dihydro-4'-apo-β,ψ-caroten-6'-one
Conditions | Yield |
---|---|
With potassium hydroxide |
trans-β-apo-8'-carotenal
Conditions | Yield |
---|---|
With ethanol; hydroxylamine unter Stickstoff; | |
With pyridine; hydroxylamine hydrochloride at 60℃; for 4h; |
trans-β-apo-8'-carotenal
all-trans-8'-apo-β-carotenal-(8')-semicarbazone
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