Product Name

  • Name

    Undecan-4-olide

  • EINECS 203-225-4
  • CAS No. 104-67-6
  • Article Data36
  • CAS DataBase
  • Density 0.9425 g/cm3
  • Solubility 158mg/L at 20℃
  • Melting Point 164~166℃
  • Formula C11H20O2
  • Boiling Point 286 °C at 760 mmHg
  • Molecular Weight 184.279
  • Flash Point 112.7 °C
  • Transport Information
  • Appearance Colourless oily liquid
  • Safety 26-36/37/39
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 104-67-6 (Undecan-4-olide)
  • Hazard Symbols IrritantXi
  • Synonyms Undecanoicacid, 4-hydroxy-, g-lactone(6CI,7CI);4-Hydroxyundecanoic acid lactone;4-Undecanolide;5-Heptyldihydro-2(3H)-furanone;5-Heptyltetrahydro-2-furanone;NSC 406421;NSC46118;NSC 76413;Neutralizing agent 350120-1;Peach lactone;Peche Pure;Persicol;g-(n-Heptyl)-g-butyrolactone;g-Heptyl-g-butyrolactone;g-Heptylbutyrolactone;g-Undecalactone;g-Undecanolactone;g-Undecanolide;g-n-Heptylbutyrolactone;
  • PSA 26.30000
  • LogP 3.05250

Synthetic route

10-undecenoic acid
112-38-9

10-undecenoic acid

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With 2Zn(2+)*(CH3)3NC2H4OH(1+)*5Cl(1-)=[HOC2H4N(CH3)3]Zn2Cl5 at 130℃; for 8h;94%
With silver trifluoromethanesulfonate In chlorobenzene at 130℃; for 20h; Inert atmosphere; regioselective reaction;71%
undec-1-yn-4-ol
22127-86-2

undec-1-yn-4-ol

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With methanesulfonic acid; C21H12F9P*C8H18NO4S2(1-)*Au(1+); 3-chloro-benzenecarboperoxoic acid In 1,2-dichloro-ethane at 20℃; for 5h; Reagent/catalyst;90%
Multi-step reaction with 2 steps
1.1: n-butyllithium / diethyl ether; hexane / 0.75 h / 0 - 20 °C
1.2: 0 - 20 °C
2.1: C21H12F9P*C8H18NO4S2(1-)*Au(1+); methanesulfonic acid / chloroform-d1 / 20 °C
View Scheme
1,4-undecanediol
4272-02-0

1,4-undecanediol

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With aluminum oxide; sodium bromite In acetonitrile for 3h; Ambient temperature;71%
With 4 A molecular sieve; polymer intercalated (RuCl2(PPh3)3); 4-methylmorpholine N-oxide In acetone at 30℃; for 2h;79 % Chromat.
Cp*RuCl(Ph2P(CH2)2NH2-κ2-P,N); potassium tert-butylate In acetone at 30℃; for 1h;95 % Spectr.
4-Hydroxy-undec-2-ynoic acid ethyl ester
114702-12-4

4-Hydroxy-undec-2-ynoic acid ethyl ester

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With formic acid; tributyl-amine; Pd(OAc)2*3(PPh2) In N,N-dimethyl-formamide at 60℃; for 7h;64%
1-(cyclopropylidene)octane
50915-95-2

1-(cyclopropylidene)octane

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With trifluoroacetyl peroxide In dichloromethane at 0℃; for 6h;87%
octanol
111-87-5

octanol

acrylic acid
79-10-7

acrylic acid

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With di-tert-butyl peroxide at 95 - 180℃; Large scale;1715 kg
With di-tert-butyl peroxide at 20 - 180℃;168 g
methyl 4-oxo-dodecanoate
33566-59-5

methyl 4-oxo-dodecanoate

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With sodium tetrahydroborate; disodium hydrogenphosphate In methanol 1.) 0 deg C, 5 min, 2.) RT, 24 h;86%
5-(3E,6-heptadienyl)-dihydro-2(3H)-furanone
81693-14-3

5-(3E,6-heptadienyl)-dihydro-2(3H)-furanone

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In hexane at 16℃; for 1h;
non-1-ene
124-11-8

non-1-ene

bromoacetic acid
79-08-3

bromoacetic acid

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With dibenzoyl peroxide In benzene for 5h; Heating;58%
With dibenzoyl peroxide In benzene Heating;58%
1-cyclohexyloxy-undec-1-yn-4-ol

1-cyclohexyloxy-undec-1-yn-4-ol

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
Stage #1: 1-cyclohexyloxy-undec-1-yn-4-ol With hydrogenchloride In tetrahydrofuran at 20℃; Hydrolysis;
Stage #2: With sodium hydride In tetrahydrofuran at 0 - 20℃; Cyclization; Further stages.;
Octanal
124-13-0

Octanal

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 66 percent
2: 64 percent / Bu3N, HCOOH / Pd(OAc)2*3(PPh2) / dimethylformamide / 7 h / 60 °C
View Scheme
Multi-step reaction with 2 steps
1: diethyl ether / 1 h / -30 - 20 °C
2: C21H12F9P*C8H18NO4S2(1-)*Au(1+); 3-chloro-benzenecarboperoxoic acid; methanesulfonic acid / 1,2-dichloro-ethane / 5 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1.1: diethyl ether / 1 h / -30 - 20 °C
2.1: n-butyllithium / diethyl ether; hexane / 0.75 h / 0 - 20 °C
2.2: 0 - 20 °C
3.1: C21H12F9P*C8H18NO4S2(1-)*Au(1+); methanesulfonic acid / chloroform-d1 / 20 °C
View Scheme
Octanal
124-13-0

Octanal

acrylic acid methyl ester
292638-85-8

acrylic acid methyl ester

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With chloro-trimethyl-silane; tetraethylammonium tosylate In N,N-dimethyl-formamide Ambient temperature; electroreductive crossed hydrocoupling;77%
β-Propiolactone
57-57-8

β-Propiolactone

Octanal
124-13-0

Octanal

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
nickel(II) iodide; samarium diiodide In tetrahydrofuran for 1h; Addition;83%
1-cyclohexyloxy-undec-1-yn-4-ol

1-cyclohexyloxy-undec-1-yn-4-ol

A

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

B

4-hydroxy-undecanoic acid cyclohexyl ester

4-hydroxy-undecanoic acid cyclohexyl ester

Conditions
ConditionsYield
With hydrogenchloride In tetrahydrofuran at 20℃; for 1h; Hydrolysis;
C11H19(2)HO
1396569-87-1

C11H19(2)HO

3-chloro-benzenecarboperoxoic acid
937-14-4

3-chloro-benzenecarboperoxoic acid

A

C18H24(2)HClO4
1396571-80-4

C18H24(2)HClO4

B

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With methanesulfonic acid; C21H12F9P*C8H18NO4S2(1-)*Au(1+) In chloroform-d1 at 20℃;
5-heptyl-tetrahydro-furan-2-ol
116625-66-2

5-heptyl-tetrahydro-furan-2-ol

3-chloro-benzenecarboperoxoic acid
937-14-4

3-chloro-benzenecarboperoxoic acid

A

C18H25ClO4
1396571-72-4

C18H25ClO4

B

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With methanesulfonic acid In 1,2-dichloro-ethane at 20℃; for 5h;A 90 %Spectr.
B 10 %Spectr.
2-heptyl-2,3-dihydrofuran
116625-68-4

2-heptyl-2,3-dihydrofuran

3-chloro-benzenecarboperoxoic acid
937-14-4

3-chloro-benzenecarboperoxoic acid

A

C18H25ClO4
1396571-72-4

C18H25ClO4

B

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With methanesulfonic acid; water In 1,2-dichloro-ethane at 20℃; for 5h; Reagent/catalyst;A 21 %Spectr.
B 33 %Spectr.
5-heptyltetrahydro-2-oxofuran-3-carboxaldehyde

5-heptyltetrahydro-2-oxofuran-3-carboxaldehyde

A

(Z)-4-undecenal
68820-32-6

(Z)-4-undecenal

B

(E)-undec-4-enal
68820-35-9

(E)-undec-4-enal

C

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With ethyl acetate In tetrahydrofuran; ethanol at 490℃; for 2.5h; Inert atmosphere; optical yield given as %de;A n/a
B n/a
C 30%
4-(tert-Butyl-dimethyl-silanyloxy)-undecanoic acid methyl ester

4-(tert-Butyl-dimethyl-silanyloxy)-undecanoic acid methyl ester

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride84%
2,3-dichlorotetrahydro-2H-pyran
5631-95-8

2,3-dichlorotetrahydro-2H-pyran

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 101 g / diethyl ether; tetrahydrofuran / 4 h / -5 °C
2: Na / diethyl ether / 1.5 h / Heating
3: pyridinium chlorochromate / CH2Cl2 / 1.25 h / Heating
4: 3-(2-ethoxyethyl)-5-(2-hydroxyethyl)-4-methyl-1,3-thiazolium bromide / triethylamine; dioxane / 15 h / 87 °C
5: 1.) NaOH, 2.) NaBH4 / 1.) EtOH-H2O, reflux, 0.5 h, 2.) 2 h
6: 0.5 g / 110 deg C; -> 145 deg C, 20 min; 145 deg C, 10 min
7: H2 / 10percent Pd/C / hexane / 1 h / 16 °C
View Scheme
2-Allyl-3-chlor-2H-3,4,5,6-tetrahydropyran
81651-44-7

2-Allyl-3-chlor-2H-3,4,5,6-tetrahydropyran

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: Na / diethyl ether / 1.5 h / Heating
2: pyridinium chlorochromate / CH2Cl2 / 1.25 h / Heating
3: 3-(2-ethoxyethyl)-5-(2-hydroxyethyl)-4-methyl-1,3-thiazolium bromide / triethylamine; dioxane / 15 h / 87 °C
4: 1.) NaOH, 2.) NaBH4 / 1.) EtOH-H2O, reflux, 0.5 h, 2.) 2 h
5: 0.5 g / 110 deg C; -> 145 deg C, 20 min; 145 deg C, 10 min
6: H2 / 10percent Pd/C / hexane / 1 h / 16 °C
View Scheme
octa-4trans,7-dien-1-ol
81651-45-8

octa-4trans,7-dien-1-ol

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: pyridinium chlorochromate / CH2Cl2 / 1.25 h / Heating
2: 3-(2-ethoxyethyl)-5-(2-hydroxyethyl)-4-methyl-1,3-thiazolium bromide / triethylamine; dioxane / 15 h / 87 °C
3: 1.) NaOH, 2.) NaBH4 / 1.) EtOH-H2O, reflux, 0.5 h, 2.) 2 h
4: 0.5 g / 110 deg C; -> 145 deg C, 20 min; 145 deg C, 10 min
5: H2 / 10percent Pd/C / hexane / 1 h / 16 °C
View Scheme
octadiene-4(E),7 al-1
56053-82-8

octadiene-4(E),7 al-1

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 3-(2-ethoxyethyl)-5-(2-hydroxyethyl)-4-methyl-1,3-thiazolium bromide / triethylamine; dioxane / 15 h / 87 °C
2: 1.) NaOH, 2.) NaBH4 / 1.) EtOH-H2O, reflux, 0.5 h, 2.) 2 h
3: 0.5 g / 110 deg C; -> 145 deg C, 20 min; 145 deg C, 10 min
4: H2 / 10percent Pd/C / hexane / 1 h / 16 °C
View Scheme
(E)-hydroxy-7,10-undecadienoic acid
90162-80-4

(E)-hydroxy-7,10-undecadienoic acid

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 0.5 g / 110 deg C; -> 145 deg C, 20 min; 145 deg C, 10 min
2: H2 / 10percent Pd/C / hexane / 1 h / 16 °C
View Scheme
ethyl (E)-4-oxoundeca-7,10-dienoate
90162-79-1

ethyl (E)-4-oxoundeca-7,10-dienoate

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1.) NaOH, 2.) NaBH4 / 1.) EtOH-H2O, reflux, 0.5 h, 2.) 2 h
2: 0.5 g / 110 deg C; -> 145 deg C, 20 min; 145 deg C, 10 min
3: H2 / 10percent Pd/C / hexane / 1 h / 16 °C
View Scheme
Octanal
124-13-0

Octanal

diethyl-(2-methoxycarbonyl-ethyl)-methyl-ammonium; iodide
37651-49-3

diethyl-(2-methoxycarbonyl-ethyl)-methyl-ammonium; iodide

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With tetraethylammonium tosylate In N,N-dimethyl-formamide cathodic reduction;46%
trans-Nonenylmalonsaeure
35329-48-7

trans-Nonenylmalonsaeure

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With sulfuric acid In water for 10h; Heating;
4-Hydroxy-undec-2-ynoic acid ethyl ester
114702-12-4

4-Hydroxy-undec-2-ynoic acid ethyl ester

A

5-heptyl-dihydro-furan-2-one
100591-76-2

5-heptyl-dihydro-furan-2-one

B

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With formic acid; bis(triphenylphosphine) palladium (Il) acetate; tributyl-amine In N,N-dimethyl-formamide at 60℃; Product distribution; variation excess of formic acid;
With formic acid; tributyl-amine; Pd(OAc)2*(PPh2) In N,N-dimethyl-formamide at 60℃; for 7h; Product distribution; ammount of HCOOH;
Octanal
124-13-0

Octanal

t-BuLi

t-BuLi

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 28 percent / LDA / tetrahydrofuran / -78 - 20 °C
2: 87 percent / CF3CO3H / CH2Cl2 / 6 h / 0 °C
View Scheme
2-methyl-2-tetradecen-6-one

2-methyl-2-tetradecen-6-one

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 73 percent / ozone, methanolic NaOH / CH2Cl2 / -70 °C
2: 86 percent / NaBH4, Na2HPO4*12H2O / methanol / 1.) 0 deg C, 5 min, 2.) RT, 24 h
View Scheme
5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

5-heptyl-tetrahydro-furan-2-ol
116625-66-2

5-heptyl-tetrahydro-furan-2-ol

Conditions
ConditionsYield
With diisobutylaluminium hydride In toluene at -78℃; for 2h; Reduction;100%
With diisobutylaluminium hydride
With diisobutylaluminium hydride In toluene
Stage #1: 5-heptyldihydro-2(3H)-furanone With diisobutylaluminium hydride In tetrahydrofuran at -78℃;
Stage #2: In water Acidic aq. solution;
Multi-step reaction with 2 steps
1: [(1,3-bis(2,4,6-trimethylphenyl) imidazol-2-ylidene)Fe(CO)4] / toluene / 3 h / 20 °C / Schlenk technique; Inert atmosphere; UV-irradiation
2: hydrogenchloride; water / toluene; tetrahydrofuran / 2 h / 20 °C / Schlenk technique; Inert atmosphere
View Scheme
5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

γ-chloroundecanoic acid chloride

γ-chloroundecanoic acid chloride

Conditions
ConditionsYield
With phosphorus pentachloride In benzene at 20℃; for 10h; Chlorination;100%
5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

undecylenic acid
112-37-8

undecylenic acid

Conditions
ConditionsYield
With hafnium tetrakis(trifluoromethanesulfonate); palladium on activated carbon; hydrogen In neat (no solvent) at 135℃; under 760.051 Torr; for 12h; Schlenk technique; Glovebox;99%
With palladium 10% on activated carbon; W(OTf)6; hydrogen at 135℃; under 760.051 Torr; for 12h;90%
With palladium on activated carbon; W(OTf)6; hydrogen In neat (no solvent) at 135℃; under 760.051 Torr; for 12h;90%
ethanethiol
75-08-1

ethanethiol

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

4-(ethylthio)undecanoic acid
71057-18-6

4-(ethylthio)undecanoic acid

Conditions
ConditionsYield
With aluminium trichloride for 37h; Ambient temperature;91.3%
5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

1,4-undecanediol
4272-02-0

1,4-undecanediol

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol; tert-butyl alcohol Heating;91%
With diphenylsilane; triphenylphosphine; chloro(1,5-cyclooctadiene)rhodium(I) dimer In tetrahydrofuran at 20℃;63%
With copper chromite; hydrogen at 210 - 220℃; under 125 - 150 Torr;
With lithium aluminium tetrahydride
With diphenylsilane; triphenylphosphine; chloro(1,5-cyclooctadiene)rhodium(I) dimer In tetrahydrofuran at 20℃; for 72h; Reduction;63 % Spectr.
5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

formic acid ethyl ester
109-94-4

formic acid ethyl ester

5-heptyltetrahydro-2-oxofuran-3-carboxaldehyde

5-heptyltetrahydro-2-oxofuran-3-carboxaldehyde

Conditions
ConditionsYield
Stage #1: 5-heptyldihydro-2(3H)-furanone; formic acid ethyl ester With potassium methanolate In diethyl ether at 15 - 20℃; for 3h; Inert atmosphere;
Stage #2: With acetic acid In diethyl ether; water at 20℃; for 0.5h; Inert atmosphere;
61%
With sodium hydride In diethyl ether at 20℃; for 3h;
1,1-dibromohexane
58133-26-9

1,1-dibromohexane

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

A

10-Hydroxy-heptadecan-7-one
109586-27-8

10-Hydroxy-heptadecan-7-one

B

5-heptyl-2-hexylidene-2,3,4,5-tetrahydrofuran
109586-25-6, 109586-26-7

5-heptyl-2-hexylidene-2,3,4,5-tetrahydrofuran

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc In tetrahydrofuran at 25℃; for 1.5h;A 21%
B 51%
5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

4-oxoundecanoic acid
22847-06-9

4-oxoundecanoic acid

Conditions
ConditionsYield
Stage #1: 5-heptyldihydro-2(3H)-furanone With water; sodium hydroxide In ethanol at 20℃; for 12h; Inert atmosphere;
Stage #2: With Dess-Martin periodane In ethanol; dichloromethane at 20℃; for 5h; Inert atmosphere;
46%
Multi-step reaction with 2 steps
1: NaOH / ethanol
2: NaOCl / aq. phosphate buffer / 20 h / 20 °C / pH 6.6
View Scheme
1,1-Dibromoethane
557-91-5

1,1-Dibromoethane

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

A

6-Hydroxy-tridecan-3-one
109586-24-5

6-Hydroxy-tridecan-3-one

B

2-ethylidene-5-heptyl-2,3,4,5-tetrahydrofuran
120387-80-6

2-ethylidene-5-heptyl-2,3,4,5-tetrahydrofuran

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium tetrachloride; zinc In tetrahydrofuran at 25℃; for 2h;A 41%
B 43%
5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

2-heptyl-2,3-dihydrofuran
116625-68-4

2-heptyl-2,3-dihydrofuran

Conditions
ConditionsYield
Stage #1: 5-heptyldihydro-2(3H)-furanone With diisobutylaluminium hydride In dichloromethane at -78℃; for 2h; Inert atmosphere;
Stage #2: With methanesulfonyl chloride; triethylamine In tetrahydrofuran at -50℃; for 8h; Reflux;
42%
Multi-step reaction with 3 steps
1: DIBAH
2: BF3*OEt2
3: 58 percent / tBuOOH, Ti(iPrO)4, iPr2NEt / CH2Cl2 / 25 h / 0 °C
View Scheme
bis(iodozinc)methane
31729-70-1

bis(iodozinc)methane

5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

2-heptyl-5-methylene-tetrahydro-furan

2-heptyl-5-methylene-tetrahydro-furan

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine; titanium chloride In tetrahydrofuran at 25℃; for 4h; methylenation;28%
5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

4-hydroxy-undecanoic acid amide

4-hydroxy-undecanoic acid amide

Conditions
ConditionsYield
With methanol; ammonia
5-heptyldihydro-2(3H)-furanone
104-67-6

5-heptyldihydro-2(3H)-furanone

1,4-bis-hexanoyloxy-undecane

1,4-bis-hexanoyloxy-undecane

Conditions
ConditionsYield
With copper chromite at 280℃; Hydrogenation.unter Druck und folgenden Verestern mit Capronsaeure in Gegenwart von Naphthalinsulfonsaeure bei 205grad;

Undecan-4-olide Consensus Reports

Reported in EPA TSCA Inventory.

Undecan-4-olide Specification

The CAS registry number of Undecan-4-olide is 104-67-6. Its EINECS registry number is 203-225-4. The IUPAC name is 5-heptyloxolan-2-one. In addition, the molecular formula is C11H20O2 and the molecular weight is 184.28. It is also called dihydro-5-heptyl-2(3H)-furanone. What's more, it is a kind of clear colourless liquid. It should be stored in a cool and dry place.

Physical properties about this chemical are: (1)ACD/LogP: 2.92; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.92; (4)ACD/LogD (pH 7.4): 2.92; (5)ACD/BCF (pH 5.5): 96.85; (6)ACD/BCF (pH 7.4): 96.85; (7)ACD/KOC (pH 5.5): 918.85; (8)ACD/KOC (pH 7.4): 918.85; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 26.3 Å2; (13)Index of Refraction: 1.449; (14)Molar Refractivity: 52.67 cm3; (15)Molar Volume: 196.3 cm3; (16)Polarizability: 20.88 ×10-24cm3; (17)Surface Tension: 31.3 dyne/cm; (18)Density: 0.938 g/cm3; (19)Flash Point: 112.7 °C; (20)Enthalpy of Vaporization: 52.51 kJ/mol; (21)Boiling Point: 286 °C at 760 mmHg; (22)Vapour Pressure: 0.00271 mmHg at 25°C.

Preparation of Undecan-4-olide: it can be prepared by undecenoic acid in the presence of sulfuric acid through esterification reaction. And then after a series of separation, washing and distillation you can get the desired product. In addition, it can be prepared by cyclopropylideneoctane. This reaction will need reagent CF3CO3H and solvent CH2Cl2. The reaction time is 6 hours at reaction temperature of 0 °C. The yield is about 87%.

Undecan-4-olide can be prepared by cyclopropylideneoctane

Uses of Undecan-4-olide: it is used as a food flavor. And it can be used to get 5-heptyl-tetrahydro-furan-2-ol. This reaction will need reagent i-Bu2AlH and solvent toluene. The reaction time is 2 hours at reaction temperature of -78 °C. The yield is about 100%.

Undecan-4-olide can be used to get 5-heptyl-tetrahydro-furan-2-ol

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1OC(CCCCCCC)CC1
(2)InChI: InChI=1/C11H20O2/c1-2-3-4-5-6-7-10-8-9-11(12)13-10/h10H,2-9H2,1H3
(3)InChIKey: PHXATPHONSXBIL-UHFFFAOYAL

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 18500mg/kg (18500mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
Food and Cosmetics Toxicology. Vol. 2, Pg. 327, 1964.

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