Product Name

  • Name

    Methyl 3,3-dimethylpent-4-enoate

  • EINECS 264-431-8
  • CAS No. 63721-05-1
  • Article Data7
  • CAS DataBase
  • Density 0.893 g/cm3
  • Solubility
  • Melting Point
  • Formula C8H14O2
  • Boiling Point 136.3 °C at 760 mmHg
  • Molecular Weight 142.198
  • Flash Point 40.4 °C
  • Transport Information UN 3272
  • Appearance Colorless transparen tliquid
  • Safety 16
  • Risk Codes 10
  • Molecular Structure Molecular Structure of 63721-05-1 (Methyl 3,3-dimethylpent-4-enoate)
  • Hazard Symbols R10:;
  • Synonyms 3,3-Dimethyl-4-pentenoicacid methyl ester;Penten-4-oic acid, 3,3-dimethyl, methyl ester;
  • PSA 26.30000
  • LogP 1.76170

Synthetic route

Trimethyl orthoacetate
1445-45-0

Trimethyl orthoacetate

2-methyl-3-buten-2-ol
115-18-4

2-methyl-3-buten-2-ol

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

Conditions
ConditionsYield
With phosphoric acid at 190℃; under 9750.98 Torr; for 20h; Temperature; Claisen Rearrangement;97.2%
Trimethyl orthoacetate
1445-45-0

Trimethyl orthoacetate

3-methyl-2-buten-1-ol
556-82-1

3-methyl-2-buten-1-ol

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

Conditions
ConditionsYield
With phosphoric acid82.8%
With propionic acid at 145℃; for 2h;81%
With oenanthic acid at 180℃;80%
2-(1,1-dimethylallyl)malonic acid dimethyl ester
74866-35-6

2-(1,1-dimethylallyl)malonic acid dimethyl ester

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

Conditions
ConditionsYield
With sodium cyanide In water; dimethyl sulfoxide at 160℃;60%
α,α-dimethyl allyl methyl carbonate
70908-42-8

α,α-dimethyl allyl methyl carbonate

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: BSA / Mo(CO)6 / toluene / 100 °C
2: 60 percent / NaCN / dimethylsulfoxide; H2O / 160 °C
View Scheme
ethene
74-85-1

ethene

1,2,4-Trichlorobenzene
120-82-1

1,2,4-Trichlorobenzene

A

CH2's

CH2's

B

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

Conditions
ConditionsYield
With B(C6F5)3 In methanol
...Expand
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

3,3-dimethyl-4-pentenol
53589-56-3

3,3-dimethyl-4-pentenol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 0.166667h; Reduction;100%
With lithium aluminium tetrahydride In diethyl ether for 3h; Reflux;95%
Stage #1: methyl 3,3-dimethyl-4-penteneoate With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 1h;
Stage #2: With water; sodium sulfate In tetrahydrofuran at 0℃;		93%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

3,3-dimethylpent-4-enoic acid
7796-73-8

3,3-dimethylpent-4-enoic acid

Conditions
ConditionsYield
Stage #1: methyl 3,3-dimethyl-4-penteneoate With sodium hydroxide In water Reflux;
Stage #2: With hydrogenchloride In water at 20℃;		100%
Stage #1: methyl 3,3-dimethyl-4-penteneoate With sodium hydroxide for 5h; Reflux;
Stage #2: With hydrogenchloride In water		90.6%
With potassium hydroxide; sulfuric acid In ethanol77%
1,1,1-Trichloro-2,2,2-trifluoroethane
354-58-5

1,1,1-Trichloro-2,2,2-trifluoroethane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

3,3-dimethyl-4,6,6-trichloro-7,7,7-trifluoro-enanthic acid methyl ester
72714-62-6

3,3-dimethyl-4,6,6-trichloro-7,7,7-trifluoro-enanthic acid methyl ester

Conditions
ConditionsYield
With dibenzoyl peroxide In tert-butyl alcohol at 115℃; under 2625.26 Torr; Reagent/catalyst; Temperature;99%
With tert-butyl peroxyneodecanoate at 60℃; for 6h; Reagent/catalyst; Inert atmosphere; Autoclave; Green chemistry;99.2%
With ethanolamine; copper(l) chloride In tert-butyl alcohol for 12h; Inert atmosphere; Reflux; Large scale;93.5%
Stage #1: 1,1,1-Trichloro-2,2,2-trifluoroethane With ethanolamine; copper(l) chloride In tert-butyl alcohol at 80℃; for 0.666667h; Inert atmosphere; Autoclave;
Stage #2: methyl 3,3-dimethyl-4-penteneoate In tert-butyl alcohol under 3000.3 Torr; for 14h; Inert atmosphere; Autoclave;
carbon tetrabromide
558-13-4

carbon tetrabromide

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 3,3-dimethyl-4,6,6,6-tetrabromohexanoate

methyl 3,3-dimethyl-4,6,6,6-tetrabromohexanoate

Conditions
ConditionsYield
With dibenzoyl peroxide at 80℃; for 6h; Inert atmosphere; Autoclave; Green chemistry;98.3%
1,1-dichloropropane
78-99-9

1,1-dichloropropane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

C11H20Cl2O2

C11H20Cl2O2

Conditions
ConditionsYield
With diacetyl peroxide at 80℃; for 6h; Inert atmosphere; Autoclave; Green chemistry;98.1%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

1-Bromo-2-butyne
3355-28-0

1-Bromo-2-butyne

C12H18O2

C12H18O2

Conditions
ConditionsYield
Stage #1: methyl 3,3-dimethyl-4-penteneoate With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78 - 0℃; for 0.5h; Inert atmosphere;
Stage #2: 1-Bromo-2-butyne In tetrahydrofuran; hexane at -40℃; for 0.75h;		97%
tetrachloromethane
56-23-5

tetrachloromethane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 4,6,6,6-tetrachloro-3,3-dimethylhexanoate
64667-33-0

methyl 4,6,6,6-tetrachloro-3,3-dimethylhexanoate

Conditions
ConditionsYield
With dibenzoyl peroxide at 80℃; for 8h;95%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

3,3,5-trimethyl-5-hydroxy-1-hexene
173932-32-6

3,3,5-trimethyl-5-hydroxy-1-hexene

Conditions
ConditionsYield
With methylmagnesium bromide; ammonium chloride In diethyl ether95%
2-(dimethylhydrosilyl)pyridine
21032-48-4

2-(dimethylhydrosilyl)pyridine

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

dimethyl(4-methoxycarbonyl-3,3-dimethylpentyl)(2-pyridyl)silane
226225-90-7

dimethyl(4-methoxycarbonyl-3,3-dimethylpentyl)(2-pyridyl)silane

Conditions
ConditionsYield
RhCl(PPh3)3 In acetonitrile for 1h; Ambient temperature;83%
With RhCl(PPh3)3 In acetonitrile at 20℃; for 0.5h;83%
1,1-Dichloro-2,2,2,2-trifluoroethane sulphonyl chloride

1,1-Dichloro-2,2,2,2-trifluoroethane sulphonyl chloride

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 3,3-dimethyl-4,6,6-trifluoro-7,7,7-trifluoroheptanoate

methyl 3,3-dimethyl-4,6,6-trifluoro-7,7,7-trifluoroheptanoate

Conditions
ConditionsYield
With dibenzoyl peroxide In toluene82%
carbon monoxide
201230-82-2

carbon monoxide

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

aniline
62-53-3

aniline

methyl 3,3-dimethyl-6-(phenylamino)hexanoate

methyl 3,3-dimethyl-6-(phenylamino)hexanoate

Conditions
ConditionsYield
With 2,2'-bis((diphenylphosphino)methyl)-1,1'-biphenyl; dicarbonylacetylacetonato rhodium (I); C29H32ClIrNO; hydrogen; sodium formate In methanol; toluene at 80℃; under 2550.26 Torr; for 20h; regioselective reaction;82%
...Expand
[(1-methoxy-2-methyl-1-butenyl)oxy]trimethylsilane
123820-43-9, 123820-44-0, 84393-12-4

[(1-methoxy-2-methyl-1-butenyl)oxy]trimethylsilane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

A

methyl 2-ethyl-2,5,5-trimethyl-3-(trimethylsiloxy)hepta-3,6-dienoate

methyl 2-ethyl-2,5,5-trimethyl-3-(trimethylsiloxy)hepta-3,6-dienoate

B

methyl 2-ethyl-2,5,5-trimethyl-3-oxohept-6-enoate

methyl 2-ethyl-2,5,5-trimethyl-3-oxohept-6-enoate

Conditions
ConditionsYield
With sodium hydroxide In N,N-dimethyl-formamide at 20 - 25℃; for 1h; Claisen condensation; Inert atmosphere;A 81%
B 6%
With sodium hydroxide In N,N-dimethyl-formamide at 15 - 20℃; for 1h; crossed Claisen condensation;
...Expand
2-phenyl[1,3,2]dioxaborolane
4406-72-8

2-phenyl[1,3,2]dioxaborolane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

(E)-5-phenyl-3,3-dimethylpent-4-enoic acid methyl ester

(E)-5-phenyl-3,3-dimethylpent-4-enoic acid methyl ester

Conditions
ConditionsYield
With oxygen; copper(II) bis(trifluoromethanesulfonate) In N,N-dimethyl acetamide at 40℃; under 760.051 Torr; for 48h; Heck Reaction; regioselective reaction;81%
formic acid
64-18-6

formic acid

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

6-methoxy-4,4-dimethyl-6-oxohexanoic acid

6-methoxy-4,4-dimethyl-6-oxohexanoic acid

Conditions
ConditionsYield
With carbon monoxide; palladium on activated charcoal; 1,4-di(diphenylphosphino)-butane In 1,2-dimethoxyethane at 150℃; under 5168 Torr; for 24h;80%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

octa(4-carboxymethyl-3,3-dimethylbutyl)silsesquioxane

octa(4-carboxymethyl-3,3-dimethylbutyl)silsesquioxane

Conditions
ConditionsYield
With 8; Speier's catalyst In hexane for 48h; Heating;80%
2-Methylthiophene
554-14-3

2-Methylthiophene

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl (E)-3,3-dimethyl-5-(5-methylthiophen-2-yl)pent-4-enoate

methyl (E)-3,3-dimethyl-5-(5-methylthiophen-2-yl)pent-4-enoate

Conditions
ConditionsYield
With sodium 3-(methylthio)propane-1-sulfonate; palladium diacetate; acetic acid; hydroquinone at 40℃; for 18h;79%
With palladium diacetate; copper(II) acetate monohydrate In dimethyl sulfoxide for 0.5h; Heck Reaction; Milling; chemoselective reaction;40%
1,2-dibromo-1-chloro-1,2,2-trifluoroethane
354-51-8

1,2-dibromo-1-chloro-1,2,2-trifluoroethane

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

ethanolamine
141-43-5

ethanolamine

methyl 3,3-dimethyl-4,7-dibromo-6-chloro-6,7,7-trifluoroheptanoate
89608-40-2

methyl 3,3-dimethyl-4,7-dibromo-6-chloro-6,7,7-trifluoroheptanoate

Conditions
ConditionsYield
78%
...Expand
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 4,5-epoxy-3,3-dimethylpentanoate
78984-87-9

methyl 4,5-epoxy-3,3-dimethylpentanoate

Conditions
ConditionsYield
With rhenium trioxide; bis-trimethylsilanyl peroxide; water In dichloromethane at 20℃; for 15h;77%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

3,3-dimethyl-5-trichlorosilanyl-pentanoic acid methyl ester

3,3-dimethyl-5-trichlorosilanyl-pentanoic acid methyl ester

Conditions
ConditionsYield
With trichlorosilane; dihydrogen hexachloroplatinate77%
2-(tert-butyldimethylsilyloxy)-1-methoxy-1-trimethylsilyloxy-1-propene
940867-32-3

2-(tert-butyldimethylsilyloxy)-1-methoxy-1-trimethylsilyloxy-1-propene

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 2-hydroxy-2,5,5-trimethyl-3-oxohept-6-enoate
1178908-68-3

methyl 2-hydroxy-2,5,5-trimethyl-3-oxohept-6-enoate

Conditions
ConditionsYield
Stage #1: 2-(tert-butyldimethylsilyloxy)-1-methoxy-1-trimethylsilyloxy-1-propene; methyl 3,3-dimethyl-4-penteneoate With sodium hydroxide In 1-methyl-pyrrolidin-2-one at 20 - 25℃; for 3h; Claisen condensation; Inert atmosphere;
Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran at 0 - 5℃; for 1h; Inert atmosphere;		76%
5-nitropent-1-ene
23542-51-0

5-nitropent-1-ene

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl (4E)-3,3-dimethyl-8-nitrooct-4-enoate

methyl (4E)-3,3-dimethyl-8-nitrooct-4-enoate

Conditions
ConditionsYield
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane for 18h; Heating;73%
(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate
1392314-08-7

(1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 5-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)-3,3-dimethylpentanoate
1622928-60-2

methyl 5-((1R,3aS,5aR,5bR,7aR,11aS,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl)-3,3-dimethylpentanoate

Conditions
ConditionsYield
Stage #1: methyl 3,3-dimethyl-4-penteneoate With 9-bora-bicyclo[3.3.1]nonane In tetrahydrofuran at 0 - 20℃; for 2h; Inert atmosphere; Cooling with ice;
Stage #2: (1R,3aS,5aR,5bR,7aR,11aR,11bR,13aR,13bR)-3a-amino-5a,5b,8,8,11a-pentamethyl-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,11,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysen-9-yl trifluoromethanesulfonate With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium phosphate; phosphoric acid In tetrahydrofuran; 1,4-dioxane; toluene at 85℃; for 16h; Temperature; Time; Inert atmosphere;		72.8%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

cyclohexanylcarbonyl chloride
2719-27-9

cyclohexanylcarbonyl chloride

methyl 3-cyclohexyl-3-oxo-2-(1,1-dimethyl-2-propenyl)propanoate

methyl 3-cyclohexyl-3-oxo-2-(1,1-dimethyl-2-propenyl)propanoate

Conditions
ConditionsYield
Stage #1: methyl 3,3-dimethyl-4-penteneoate; cyclohexanylcarbonyl chloride With 1-methyl-1H-imidazole In dichloromethane at -45℃; for 0.166667h;
Stage #2: With tributyl-amine; titanium tetrachloride In dichloromethane at -45℃; for 0.5h;		69%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl (E)-3,3-dimethyl-5-nitropent-4-enoate

methyl (E)-3,3-dimethyl-5-nitropent-4-enoate

Conditions
ConditionsYield
With tert.-butylnitrite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical In 1,4-dioxane at 90℃; for 12h; Inert atmosphere;68%
oxalic acid
144-62-7

oxalic acid

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

6-methoxy-4,4-dimethyl-6-oxohexanoic acid

6-methoxy-4,4-dimethyl-6-oxohexanoic acid

Conditions
ConditionsYield
With carbon monoxide; palladium on activated charcoal; 1,4-di(diphenylphosphino)-butane In 1,2-dimethoxyethane at 150℃; under 30400 Torr; for 24h;67%
1,3-dioxoisoindolin-2-yl 4-phenylbutanoate

1,3-dioxoisoindolin-2-yl 4-phenylbutanoate

methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

methyl 3,3-dimethyl-8-phenyloctanoate

methyl 3,3-dimethyl-8-phenyloctanoate

Conditions
ConditionsYield
With bis(triphenylphosphine)nickel(II) chloride; magnesium(II) acetate tetrahydrate; 4,4'-di-tert-butyl-2,2'-bipyridine In N,N-dimethyl acetamide at 40℃; for 2h; Schlenk technique; Inert atmosphere; regioselective reaction;67%
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

propargyl bromide
106-96-7

propargyl bromide

methyl 3,3-dimethylhepta-1-ene-6-yne-4-carboxylate
119548-51-5

methyl 3,3-dimethylhepta-1-ene-6-yne-4-carboxylate

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran at -78℃;66%
With lithium diisopropyl amide 1) THF, HMPA, -63 deg C, 15 min, 2) THF, HMPA, -63 deg C, 20 min.; Yield given. Multistep reaction;
methyl 3,3-dimethyl-4-penteneoate
63721-05-1

methyl 3,3-dimethyl-4-penteneoate

phenylboronic acid
98-80-6

phenylboronic acid

(E)-5-phenyl-3,3-dimethylpent-4-enoic acid methyl ester

(E)-5-phenyl-3,3-dimethylpent-4-enoic acid methyl ester

Conditions
ConditionsYield
With palladium diacetate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; trichloroacetic acid In neat (no solvent) for 0.5h; Heck Reaction; Milling; chemoselective reaction;65%
With palladium diacetate; 2,3-dicyano-5,6-dichloro-p-benzoquinone; trichloroacetic acid for 0.666667h; Heck Reaction; Milling; Sonication;

Methyl 3,3-dimethylpent-4-enoate Specification

The CAS registry number of 4-Pentenoic acid,3,3-dimethyl-, methyl ester is 63721-05-1. With the EINECS registry number 264-431-8, its systematic name is methyl 3,3-dimethylpent-4-enoate. In addition, the molecular formula is C8H14O2 and the molecular weight is 142.20. What's more, it is a colorless clear liquid and should be stored in a cool and dry place.

Physical properties about this chemical are: (1)ACD/LogP: 2.15; (2)ACD/LogD (pH 5.5): 2.15; (3)ACD/LogD (pH 7.4): 2.15; (4)ACD/BCF (pH 5.5): 25.37; (5)ACD/BCF (pH 7.4): 25.37; (6)ACD/KOC (pH 5.5): 352.24; (7)ACD/KOC (pH 7.4): 352.24; (8)#H bond acceptors: 2; (9)#Freely Rotating Bonds: 4; (10)Polar Surface Area: 26.3 Å2; (11)Index of Refraction: 1.423; (12)Molar Refractivity: 40.57 cm3; (13)Molar Volume: 159.2 cm3; (14)Polarizability: 16.08 ×10-24cm3; (15)Surface Tension: 25.9 dyne/cm; (16)Density: 0.893 g/cm3; (17)Flash Point: 40.4 °C; (18)Enthalpy of Vaporization: 37.37 kJ/mol; (19)Boiling Point: 136.3 °C at 760 mmHg; (20)Vapour Pressure: 7.43 mmHg at 25°C.

Preparation of 4-Pentenoic acid,3,3-dimethyl-, methyl ester: it can be prepared by 3-methyl-2-butenol and trimethyl orthoacetate in the presence of catalyst phenol. Add these raw materials into the reactor with stirring. Then heat the mixture to 95 °C and react for 2-3 hours. Next, heat the reaction solution to 140 °C in an hour and react for 20 hours. After this reaction, you should collect 70-71 °C(8.00kPa) fractions through vacuum distillation.

Uses of 4-Pentenoic acid,3,3-dimethyl-, methyl ester: it can react with formic acid to get 3,3-dimethyl-hexanedioic acid 1-methyl ester. This reaction will need reagent CO, catalysts 10 percent Pd/C and dppb and solvent 1,2-dimethoxy-ethane. The reaction time is 24 hours at reaction temperature of 150 °C. The yield is about 80%.

4-Pentenoic acid,3,3-dimethyl-, methyl ester can react with formic acid to get 3,3-dimethyl-hexanedioic acid 1-methyl ester

When you are using this chemical, please be cautious about it as the following:
This chemical is flammable. You should keep it away from sources of ignition - No smoking.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(OC)CC(/C=C)(C)C
(2)Std. InChI: InChI=1S/C8H14O2/c1-5-8(2,3)6-7(9)10-4/h5H,1,6H2,2-4H3
(3)Std. InChIKey: MKLKDUHMZCIBSJ-UHFFFAOYSA-N

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