Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
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inquiry9-Octadecenedioic acidAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
dec-9-enoic acid
1,18-octadec-9-enedioic acid
Conditions | Yield |
---|---|
In toluene at 50℃; under 375.038 Torr; for 12h; | 91% |
Conditions | Yield |
---|---|
With [1,3-bis(2,4,5-Me3Ph)-2-imidazolidinylidene]Ru=CHPh(PCy3)Cl2 at 45℃; for 24h; | A 71% B n/a |
Stage #1: cis-Octadecenoic acid; dichloro(tricyclohexylphosphino)(benzylidene)(1,3-dimesityl-4,5-dihydroimidazol-2-ylidene)ruthenium(III) at 45℃; for 24.08 - 72h; Neat (no solvent); Stage #2: With ethyl vinyl ether Product distribution / selectivity; | A 71% B n/a |
Cl2(PCy3)(N,N'-(Mes)2-imidazolidin-2-yl)Ru=CHC6H5 at 20℃; for 96h; Product distribution / selectivity; | A 21% B 21% |
With [1,3-bis(mesityl)-2-imidazolidinylidene]-[2-[[(2-methylphenyl)imino]-methyl]-phenolyl]-[3-phenyl-indenyliden]-ruthenium(II)chloride at 45℃; for 20h; Neat (no solvent); |
Conditions | Yield |
---|---|
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride at 50℃; for 24h; Inert atmosphere; | 64.5% |
9,12-octadecadienoic acid
A
1,18-octadec-9-enedioic acid
B
dodec-6-ene
C
pentadec-9-enoic acid
Conditions | Yield |
---|---|
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride at 50℃; for 72h; Inert atmosphere; | A 55.4% B n/a C n/a |
Conditions | Yield |
---|---|
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride at 45℃; for 72h; Inert atmosphere; | 47% |
With D-sorbitol; water; urea; sodium hydroxide; yeast at 30℃; for 48h; pH=7 - 7.5; Enzymatic reaction; | |
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride at 45℃; for 24h; Inert atmosphere; | 29.75 g |
With Hoveyda-Grubbs catalyst second generation; p-benzoquinone In n-heptane at 45℃; Inert atmosphere; |
Ricinoleic acid
A
1,18-octadec-9-enedioic acid
B
7,12-dihydroxyoctadec-9-ene
Conditions | Yield |
---|---|
Stage #1: Ricinoleic acid; dichloro(tricyclohexylphosphino)(benzylidene)(1,3-dimesityl-4,5-dihydroimidazol-2-ylidene)ruthenium(III) at 45 - 50℃; for 72h; Neat (no solvent); Stage #2: With ethyl vinyl ether Product distribution / selectivity; | A n/a B 40% |
cis-Octadecenoic acid
ethene
A
1,18-octadec-9-enedioic acid
B
1-Decene
C
dec-9-enoic acid
D
9-octadecene
Conditions | Yield |
---|---|
Cl2(PCy3)(N,N'-(Mes)2-imidazolidin-2-yl)Ru=CHC6H5 at 20℃; for 12h; Product distribution / selectivity; | A 1% B 37% C 37% D 1% |
A
1,18-octadec-9-enedioic acid
B
18-hydroxyoctadec-9-enoic acid
D
9,16-dihydroxyhexadecanoic acid
E
22-hydroxydocosanoic acid
F
9,10,18-trihydroxyoctadecanoic acid
G
docosanedioic acid
Conditions | Yield |
---|---|
Stage #1: suberin With sodium hydroxide In isopropyl alcohol for 1.25h; Heating / reflux; Stage #2: With sulfuric acid In water at 100℃; pH=2 - 3; |
1,4-butenediol
cis-Octadecenoic acid
A
1,18-octadec-9-enedioic acid
B
trans-2-undecen-1-ol
C
ω-hydroxyundec-9-enoic acid
D
9-octadecene
Conditions | Yield |
---|---|
With C55H58ClN3ORu; Phenyltrichlorosilane In toluene at 50℃; for 5h; |
cis-1,4-bis(acetyloxy)but-2-ene
cis-Octadecenoic acid
A
1,18-octadec-9-enedioic acid
B
11-acetyloxy-9-undecenoic acid
C
undec-2-en-1-yl acetate
D
9-octadecene
Conditions | Yield |
---|---|
With C55H58ClN3ORu; Phenyltrichlorosilane In toluene at 50℃; for 5h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / 6 h / 30 °C / 760.05 Torr 2: toluene / 12 h / 50 °C / 375.04 Torr View Scheme |
cis-Octadecenoic acid
ethene
A
1,18-octadec-9-enedioic acid
B
dec-9-enoic acid
Conditions | Yield |
---|---|
With [1,3-bis(2,4,6-trimethylphenyl)imidazolidin-2-ylidene][2-isopropoxy-5-(2,2,2-trifluoroacetamido)benzylidene]ruthenium(II) dichloride at 50℃; under 7500.75 Torr; for 2h; Autoclave; |
dimethyl 9-octadecen-1,18-dioate
1,18-octadec-9-enedioic acid
Conditions | Yield |
---|---|
With water; sodium hydroxide at 80℃; for 1h; |
1,18-octadec-9-enedioic acid
9,10-dibromo-octadecanedioic acid
Conditions | Yield |
---|---|
With bromine In diethyl ether for 1h; | 83% |
Conditions | Yield |
---|---|
Stage #1: 1,18-octadec-9-enedioic acid With potassium permanganate; potassium hydroxide In water at 0 - 50℃; for 0.216667h; Stage #2: With hydrogenchloride; sodium thiosulfate; sodium sulfite In water | 71% |
Conditions | Yield |
---|---|
bispyridine ruthenium complex In dichloromethane at 45℃; for 12h; | 50% |
Conditions | Yield |
---|---|
With nonanoic acid; dihydrogen peroxide; ortho-tungstic acid at 78℃; for 24h; | 33% |
Conditions | Yield |
---|---|
With sulfuric acid at 80℃; for 0.5h; | |
sulfuric acid at 80℃; for 0.5h; Product distribution / selectivity; | |
With sulfuric acid Inert atmosphere; | |
With sulfuric acid at 65℃; for 2h; Inert atmosphere; | 6.65 g |
1,18-octadec-9-enedioic acid
methanol
Ricinoleic acid
A
methyl ricinoleate
B
dimethyl 9-octadecen-1,18-dioate
Conditions | Yield |
---|---|
sulfuric acid Product distribution / selectivity; |
1,18-octadec-9-enedioic acid
A
methyl (Z)-10-cyano-9-decenoate
B
methyl (E)-10-cyano-9-decenoate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid / Inert atmosphere 2: Hoveyda-Grubbs catalyst second generation / toluene / 16 h / 80 °C / Inert atmosphere View Scheme |
1,18-octadec-9-enedioic acid
A
methyl 9-decenoate
B
methyl (E)-10-cyano-9-decenoate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid / Inert atmosphere 2: Hoveyda-Grubbs catalyst second generation / toluene / 5 h / 100 °C / Inert atmosphere View Scheme |
1,18-octadec-9-enedioic acid
8-cyano-octanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: ammonia / zinc(II) oxide / 6 h / 300 °C / 760.05 Torr 2.1: ozone / pentane / 0.08 h / -70 - 0 °C 2.2: -70 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: ammonia / zinc(II) oxide / 6 h / 300 °C / 760.05 Torr 2.1: ozone / pentane / 0.08 h / -70 - 0 °C 2.2: -70 °C 3.1: sulfuric acid / benzene 4.1: ammonia / Raney nickel with 3 wtpercent of cobalt / ethanol / 4 h / 90 °C / 157516 Torr / Autoclave View Scheme |
1,18-octadec-9-enedioic acid
methyl 10-cyano-2-decenoate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: ammonia / zinc(II) oxide / 6 h / 300 °C / 760.05 Torr 2: Hoveyda-Grubbs catalyst second generation / 0.5 h / 50 °C / Inert atmosphere View Scheme |
1,18-octadec-9-enedioic acid
8-cyanooctanoic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: ammonia / zinc(II) oxide / 6 h / 300 °C / 760.05 Torr 2.1: ozone / pentane / 0.08 h / -70 - 0 °C 2.2: -70 °C 3.1: sulfuric acid / benzene View Scheme |
1,18-octadec-9-enedioic acid
C18H30N2
Conditions | Yield |
---|---|
With ammonia; zinc(II) oxide at 300℃; under 760.051 Torr; for 6h; | 86 %Chromat. |
1,18-octadec-9-enedioic acid
2-(N,N-dimethylamino)ethanol
A
C26H50N2O4
B
C26H50N2O4
Conditions | Yield |
---|---|
at 145 - 180℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: potassium hydroxide; potassium permanganate / water / 0.22 h / 0 - 50 °C 2: sodium periodate; tetra(n-butyl)ammonium hydrogen sulfate / water; dichloromethane / 20 °C 3: sodium tetrahydroborate / 1,4-dioxane / 0 - 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium hydroxide; potassium permanganate / water / 0.22 h / 0 - 50 °C 2: sodium periodate; tetra(n-butyl)ammonium hydrogen sulfate / water; dichloromethane / 20 °C View Scheme |
1,18-octadec-9-enedioic acid
1,3-diolein
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In chloroform at 20℃; Inert atmosphere; |
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