Product Name

  • Name

    METHYL (S)-(+)-3-HYDROXY-2-METHYLPROPIONATE

  • EINECS
  • CAS No. 80657-57-4
  • Article Data35
  • CAS DataBase
  • Density 1.051 g/cm3
  • Solubility Insoluble in water. Soluble in methanol.
  • Melting Point
  • Formula C5H10O3
  • Boiling Point 175.048 °C at 760 mmHg
  • Molecular Weight 118.133
  • Flash Point 81.111 °C
  • Transport Information
  • Appearance
  • Safety 26-36/37/39-36-24/25
  • Risk Codes 36/37/38-20/21/22
  • Molecular Structure Molecular Structure of 80657-57-4 (METHYL (S)-(+)-3-HYDROXY-2-METHYLPROPIONATE)
  • Hazard Symbols Xn
  • Synonyms (S)-3-Hydroxy-2-methylpropanoic acid methyl ester;(2S)-3-Hydroxy-2-methylpropionic acid methyl ester;(+)-Methyl b-hydroxyisobutyrate;(S)-3-Hydroxy-2-methylpropionic acid methyl ester;Methyl (2S)-3-hydroxy-2-methylpropionate;Methyl (S)-b-hydroxyisobutyrate;Methyl(S)-3-hydroxy-2-methylpropionate;Methyl (2S)-3-hydroxy-2-methylpropanoate;
  • PSA 46.53000
  • LogP -0.21220

Synthetic route

methyl 2-hydroxymethylacrylate
15484-46-5

methyl 2-hydroxymethylacrylate

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

Conditions
ConditionsYield
With diisopropyl{1-[(S)-3,5-dioxa-4-phospha-cyclohepta(2,1-a;3,4-a')dinaphthalen-4-yl]-3-methyl-2-indolyl}phosphine; bis(norbornadiene)rhodium(l)tetrafluoroborate; hydrogen In dichloromethane at -40℃; under 15001.5 Torr; for 15h; Reactivity; Pressure; Temperature; Concentration; Inert atmosphere; optical yield given as %ee; enantioselective reaction;87%
With N-methyl-N-{(S)-1-[2-(diphenylphosphino)phenyl]ethyl}-(S)-1,10-bi-2-naphthylphosphoramidite; bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate; hydrogen In dichloromethane at 20℃; under 7500.75 Torr; for 24h; optical yield given as %ee;
With BF4(1-)*C8H10Rh(1+)*C17H27NO2P2; hydrogen In dichloromethane at 25℃; under 750.075 Torr; for 1.5h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;
(S)-3-acetoxy-2-methyl-propionic acid methyl ester
73295-10-0

(S)-3-acetoxy-2-methyl-propionic acid methyl ester

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

Conditions
ConditionsYield
With potassium carbonate In methanol at 5 - 10℃; for 1h;75%
With potassium carbonate In methanol at 0 - 5℃;75%
diazomethane
186581-53-3, 908094-01-9

diazomethane

3-hydroxyisobutyric acid
1910-47-0, 2068-83-9, 26543-05-5, 44520-17-4

3-hydroxyisobutyric acid

A

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

B

methyl (R)-3-hydroxy-2-methylpropionate
72657-23-9

methyl (R)-3-hydroxy-2-methylpropionate

Conditions
ConditionsYield
In diethyl ether Yield given. Yields of byproduct given. Title compound not separated from byproducts;
...Expand
diazomethane
186581-53-3, 908094-01-9

diazomethane

(S)-(+)-3-hydroxy-2-methyl-propanoic acid
26543-05-5

(S)-(+)-3-hydroxy-2-methyl-propanoic acid

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

Conditions
ConditionsYield
In diethyl ether
In diethyl ether 1.)0 deg C, 2 h, 2.)r.t., overnight; Yield given;
methyl 3-hydroxy-2-methylpropanoate
64809-29-6

methyl 3-hydroxy-2-methylpropanoate

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

arctiopicrin

arctiopicrin

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

Conditions
ConditionsYield
With sodium hydroxide und Behandeln der nach dem Ansaeuern erhaltenen Saeure mit Diazomethan in Aether;
methyl 2-hydroxymethylacrylate
15484-46-5

methyl 2-hydroxymethylacrylate

A

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

B

methyl (R)-3-hydroxy-2-methylpropionate
72657-23-9

methyl (R)-3-hydroxy-2-methylpropionate

Conditions
ConditionsYield
With hydrogen; {(-)-1,2-bis(2R,5R)-2,5-dimethylphospholanobenzene(cyclooctadiene)rhodium(l)} triflate In methanol at 30℃; under 3000.3 Torr; Product distribution; Further Variations:; Catalysts;
With hydrogen; Ru(cod)(η3-methylallyl)2/(R)-SYNPHOS/HBF4 In methanol at 50℃; under 15001.5 Torr; for 23h; Title compound not separated from byproducts.;
With hydrogen; p-benzoquinone; [RuH(η6-cycloocta-1,3,5-triene)(S)-SYNPHOS]BF4 In methanol at 15℃; under 15001.5 Torr; for 23h; Title compound not separated from byproducts.;
C12H16O4

C12H16O4

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane; water at 0 - 20℃; for 2h;35 mg
methyl 3-hydroxy-2-methylpropanoate
64809-29-6

methyl 3-hydroxy-2-methylpropanoate

A

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

B

methyl (R)-3-hydroxy-2-methylpropionate
72657-23-9

methyl (R)-3-hydroxy-2-methylpropionate

Conditions
ConditionsYield
With [Rh(dppb)(COD)]BF4; hydrogen In methanol at 20℃; under 45004.5 Torr; for 20h;
With capillary column subsequently coated with 1) Co(d-Cam)1/2(bdc)1/2(tmdpy) (d-Cam=d-camphoric acid,bdc=1,4-benzenedicarboxylic acid, tmdpy=4,4’-trimethylenedipyridine), 2) peramylated β-cyclodextrin at 93℃; Reagent/catalyst; Resolution of racemate;
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

methyl 2(S)-methyl-3-tetrahydropyranyloxypropanoate
88557-53-3, 135910-72-4, 135910-76-8, 96895-76-0

methyl 2(S)-methyl-3-tetrahydropyranyloxypropanoate

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In dichloromethane at 25℃; for 3h;100%
With toluene-4-sulfonic acid In diethyl ether100%
With toluene-4-sulfonic acid In diethyl ether100%
Benzyloxymethyl chloride
3587-60-8

Benzyloxymethyl chloride

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

(S)-(+)-(benzyloxy)methyl 3-<(benzyloxy)methoxy>-2-methylpropionate
116021-11-5

(S)-(+)-(benzyloxy)methyl 3-<(benzyloxy)methoxy>-2-methylpropionate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine for 12h; 0 deg C --> room temperature;100%
With N-ethyl-N,N-diisopropylamine at 0℃; for 2h;80%
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0 - 20℃; for 8.5h;70%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

triisopropylsilyl chloride
13154-24-0

triisopropylsilyl chloride

(S)-methyl 2-methyl-3-(triisopropylsilyloxy)propanoate
158783-84-7

(S)-methyl 2-methyl-3-(triisopropylsilyloxy)propanoate

Conditions
ConditionsYield
With 1H-imidazole; dmap In dichloromethane at 20℃; for 2h;100%
With 1H-imidazole; dmap In dichloromethane at 0 - 20℃;99%
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 48h; Inert atmosphere;98%
With 1H-imidazole; dmap In dichloromethane at 20℃; for 1.5h;
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; for 3h; Inert atmosphere;
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

(S)-3-(tert-butyldimethylsilyloxy)-2-methylpropionic acid methyl ester
93454-85-4

(S)-3-(tert-butyldimethylsilyloxy)-2-methylpropionic acid methyl ester

Conditions
ConditionsYield
With 1H-imidazole100%
With 1H-imidazole In N,N-dimethyl-formamide Substitution;100%
With 1H-imidazole In N,N-dimethyl-formamide100%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

tert-butylchlorodiphenylsilane
58479-61-1

tert-butylchlorodiphenylsilane

(S)-3-(tert-butyl-diphenyl-silanyloxy)-2-methyl-propionic acid methyl ester
95514-03-7

(S)-3-(tert-butyl-diphenyl-silanyloxy)-2-methyl-propionic acid methyl ester

Conditions
ConditionsYield
With Imd100%
With N-ethyl-N,N-diisopropylamine In dichloromethane100%
With 1H-imidazole In N,N-dimethyl-formamide at 20℃;100%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

methanesulfonyl chloride
124-63-0

methanesulfonyl chloride

methyl (2S)-3-hydroxy-2-methyl-3-(methylsulfonyloxy)propanoate
142402-78-6

methyl (2S)-3-hydroxy-2-methyl-3-(methylsulfonyloxy)propanoate

Conditions
ConditionsYield
With triethylamine In dichloromethane100%
With triethylamine In dichloromethane at 0℃; for 1h;100%
With triethylamine91%
With triethylamine In dichloromethane at 0 - 20℃; for 1h;
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

diphenyldisulfane
882-33-7

diphenyldisulfane

(R)-2-methyl-3-(phenylsulfanyl)propanoic acid methyl ester
165457-66-9

(R)-2-methyl-3-(phenylsulfanyl)propanoic acid methyl ester

Conditions
ConditionsYield
With tributylphosphine In tetrahydrofuran at 20℃; for 24h;100%
With tributylphosphine In tetrahydrofuran for 24h; Ambient temperature;99%
With tributylphosphine In N,N-dimethyl-formamide at 0 - 20℃; for 4h;85%
With tributylphosphine In N,N-dimethyl-formamide at 0 - 25℃; for 5h; Yield given;
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

trifluoromethylsulfonic anhydride
358-23-6

trifluoromethylsulfonic anhydride

methyl (S)-2-methyl-3-(((trifluoromethyl)sulfonyl)oxy)propanoate

methyl (S)-2-methyl-3-(((trifluoromethyl)sulfonyl)oxy)propanoate

Conditions
ConditionsYield
With 2,6-dimethylpyridine In dichloromethane at 0℃; for 0.25h;100%
With 2,6-dimethylpyridine In dichloromethane at 0℃; for 0.25h;
With 2,6-dimethylpyridine In dichloromethane at 5℃; for 1h;
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

O-(4-methoxybenzyl)-trichloroacetimidate
89238-99-3

O-(4-methoxybenzyl)-trichloroacetimidate

methyl (2S)-[(4-methoxybenzyl)oxy]-2-methylpropanoate
132969-71-2

methyl (2S)-[(4-methoxybenzyl)oxy]-2-methylpropanoate

Conditions
ConditionsYield
With camphor-10-sulfonic acid In dichloromethane for 16h; Inert atmosphere;99%
With camphor-10-sulfonic acid In dichloromethane for 16h; Inert atmosphere; Schlenk technique;99%
With (1S)-10-camphorsulfonic acid In dichloromethane for 16h; Inert atmosphere;99%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

benzyl trityl ether
5333-62-0

benzyl trityl ether

(2S)-2-methyl-3-(trityloxy)propionic acid methyl ester
116021-13-7

(2S)-2-methyl-3-(trityloxy)propionic acid methyl ester

Conditions
ConditionsYield
With 4 A molecular sieve; 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane at 30℃; for 36h;99%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

acetic anhydride
108-24-7

acetic anhydride

(S)-3-acetoxy-2-methyl-propionic acid methyl ester
73295-10-0

(S)-3-acetoxy-2-methyl-propionic acid methyl ester

Conditions
ConditionsYield
zinc(II) perchlorate at 20℃; for 4.5h;99%
With magnesium(II) perchlorate at 20℃; for 3h;95%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

4-methyl-benzoyl chloride
874-60-2

4-methyl-benzoyl chloride

(S)-4-methyl-benzoic acid 2-methoxycarbonyl-propyl ester

(S)-4-methyl-benzoic acid 2-methoxycarbonyl-propyl ester

Conditions
ConditionsYield
With 4-vinylpyridine In dichloromethane at 20℃; for 6h;99%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

(S)-3-(tert-butyl-diphenyl-silanyloxy)-2-methyl-propionic acid methyl ester
95514-03-7

(S)-3-(tert-butyl-diphenyl-silanyloxy)-2-methyl-propionic acid methyl ester

Conditions
ConditionsYield
With 1H-imidazole; tert-butylchlorodiphenylsilane In dichloromethane99%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

triethylsilyl chloride
994-30-9

triethylsilyl chloride

methyl (S)-2-methyl-3-<(triethylsilyl)oxy>propanoate
178113-84-3

methyl (S)-2-methyl-3-<(triethylsilyl)oxy>propanoate

Conditions
ConditionsYield
With 1H-imidazole; dmap In dichloromethane for 2h; Ambient temperature;98%
With 1H-imidazole; dmap In N,N-dimethyl-formamide90%
With 1H-imidazole; dmap In dichloromethane at 0 - 20℃; for 4h;90%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

O-benzyl 2,2,2-trichloroacetimidate
81927-55-1

O-benzyl 2,2,2-trichloroacetimidate

methyl (S)-3-benzyloxy-2-methylpropanoate
74924-27-9

methyl (S)-3-benzyloxy-2-methylpropanoate

Conditions
ConditionsYield
With trifluorormethanesulfonic acid In dichloromethane; cyclohexane for 38h; Inert atmosphere;98%
With trifluorormethanesulfonic acid In dichloromethane; cyclohexane for 18h; Ambient temperature;97%
With trifluorormethanesulfonic acid In dichloromethane; cyclohexane for 18h; Ambient temperature;97%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

(S)-(+)-Methyl-3-<(tert-butyldimethylsilyl)oxy>-2-methylpropionate

(S)-(+)-Methyl-3-<(tert-butyldimethylsilyl)oxy>-2-methylpropionate

Conditions
ConditionsYield
With 1H-imidazole In dichloromethane at 25℃; for 24h;98%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

ethyl vinyl ether
109-92-2

ethyl vinyl ether

Methyl (S)-(+)-3-(1-ethoxyethoxy)-2-methylpropanoate
104199-85-1, 115166-84-2, 115166-87-5, 142459-19-6, 142459-20-9

Methyl (S)-(+)-3-(1-ethoxyethoxy)-2-methylpropanoate

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In dichloromethane at 25℃; for 0.5h;98%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

(2S)-(+)-2-methyl-3-(toluene-4-sulfonyloxy)propionic acid methyl ester
84341-89-9

(2S)-(+)-2-methyl-3-(toluene-4-sulfonyloxy)propionic acid methyl ester

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 12h;98%
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 20h;96%
With dmap; triethylamine In dichloromethane at 20℃; for 20h;96%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

4-Methoxybenzyl alcohol
105-13-5

4-Methoxybenzyl alcohol

methyl (2S)-[(4-methoxybenzyl)oxy]-2-methylpropanoate
132969-71-2

methyl (2S)-[(4-methoxybenzyl)oxy]-2-methylpropanoate

Conditions
ConditionsYield
Stage #1: 4-Methoxybenzyl alcohol With sodium hydride In diethyl ether; mineral oil for 0.75h; Inert atmosphere;
Stage #2: With trichloroacetonitrile In diethyl ether; mineral oil at 0 - 20℃; Inert atmosphere;
Stage #3: 3-hydroxy-(2S)-methylpropionate With camphor-10-sulfonic acid In dichloromethane for 2h;		98%
Stage #1: 4-Methoxybenzyl alcohol With sodium hydride; trichloroacetonitrile In diethyl ether; hexane at -5 - 20℃; for 4h;
Stage #2: 3-hydroxy-(2S)-methylpropionate; trifluorormethanesulfonic acid In dichloromethane Further stages.;		94%
With (1S)-(+)-10-camphorsulfonic acid; sodium hydride; trichloroacetonitrile In dichloromethane; cyclohexane
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

4-methoxybenzyl-2,2,2-trichloroacetimidate

4-methoxybenzyl-2,2,2-trichloroacetimidate

methyl (2S)-[(4-methoxybenzyl)oxy]-2-methylpropanoate
132969-71-2

methyl (2S)-[(4-methoxybenzyl)oxy]-2-methylpropanoate

Conditions
ConditionsYield
With camphor-10-sulfonic acid In dichloromethane at 25℃; Inert atmosphere;98%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

trityl chloride
76-83-5

trityl chloride

(2S)-2-methyl-3-(trityloxy)propionic acid methyl ester
116021-13-7

(2S)-2-methyl-3-(trityloxy)propionic acid methyl ester

Conditions
ConditionsYield
97%
With dmap; triethylamine In dichloromethane at 20℃; for 12h;96%
95%
isobutyl vinyl ether
109-53-5

isobutyl vinyl ether

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

methyl (S)-2-methyl-3-(1-isobutoxyethoxy)propionate

methyl (S)-2-methyl-3-(1-isobutoxyethoxy)propionate

Conditions
ConditionsYield
With sodium hydroxide; pyridinium p-toluenesulfonate In water97%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

(2S)-3-(tert-butyl-dimethyl-silyloxy)-2-methyl-propanal
104701-87-3

(2S)-3-(tert-butyl-dimethyl-silyloxy)-2-methyl-propanal

Conditions
ConditionsYield
Stage #1: 3-hydroxy-(2S)-methylpropionate; tert-butyldimethylsilyl chloride With 1H-imidazole In N,N-dimethyl-formamide at 0 - 23℃;
Stage #2: With diisobutylaluminium hydride In dichloromethane at -78℃;		97%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

N-(4-methoxybenzyl)-2,2,2-trichloroacetamide
123558-64-5

N-(4-methoxybenzyl)-2,2,2-trichloroacetamide

methyl (2S)-[(4-methoxybenzyl)oxy]-2-methylpropanoate
132969-71-2

methyl (2S)-[(4-methoxybenzyl)oxy]-2-methylpropanoate

Conditions
ConditionsYield
95%
With trifluorormethanesulfonic acid In diethyl ether at -78 - 20℃; for 2.5h; Inert atmosphere;83%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

2-Methoxypropene
116-11-0

2-Methoxypropene

Methyl 3-(1-Methoxy-1-methyl)ethoxy-2-(S)-methylpropionate
189217-49-0

Methyl 3-(1-Methoxy-1-methyl)ethoxy-2-(S)-methylpropionate

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In dichloromethane at 0℃; for 0.25h; Etherification;95%
With pyridinium p-toluenesulfonate In dichloromethane
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

benzyl-2,2,2-trichloroacetimidate

benzyl-2,2,2-trichloroacetimidate

methyl (S)-3-benzyloxy-2-methylpropanoate
74924-27-9

methyl (S)-3-benzyloxy-2-methylpropanoate

Conditions
ConditionsYield
With trifluorormethanesulfonic acid In dichloromethane; cyclohexane at 0 - 20℃;95%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

(S)-O-p-toluenesulfonyl-3-hydroxy-2-methylpropanal
183293-41-6

(S)-O-p-toluenesulfonyl-3-hydroxy-2-methylpropanal

Conditions
ConditionsYield
Stage #1: 3-hydroxy-(2S)-methylpropionate; p-toluenesulfonyl chloride With dmap; triethylamine In dichloromethane at 20℃; for 12h;
Stage #2: With diisobutylaluminium hydride In toluene at -90℃; for 1h;		95%
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

MOM ether of (S)-(+)-methyl 3-hydroxy-2-methylpropionate
105164-20-3

MOM ether of (S)-(+)-methyl 3-hydroxy-2-methylpropionate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane94%
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide
With diisopropylamine In dichloromethane at 20℃;
3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

N-[(tert-butoxy)carbonyl]-4-methylbenzenesulfonamide
18303-04-3

N-[(tert-butoxy)carbonyl]-4-methylbenzenesulfonamide

methyl (2S)-3-[N-(tert-butoxycarbonyl)-N-(4-methylphenylsulfonyl)]amino-2-methylpropanoate
1192544-73-2

methyl (2S)-3-[N-(tert-butoxycarbonyl)-N-(4-methylphenylsulfonyl)]amino-2-methylpropanoate

Conditions
ConditionsYield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0 - 20℃; Mitsunobu reaction; Inert atmosphere;94%
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

3-hydroxy-(2S)-methylpropionate
80657-57-4

3-hydroxy-(2S)-methylpropionate

methyl (S)-(+)-3-(tetrahydro-2-pyranyloxy)-2-methylpropionate

methyl (S)-(+)-3-(tetrahydro-2-pyranyloxy)-2-methylpropionate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In diethyl ether at 20℃; for 12h;93%

Methyl (S)-3-hydroxyisobutanoate Specification

The Methyl (S)-(+)-3-Hydroxy-2-methylpropionate, with the CAS registry number 80657-57-4, has the systematic name and IUPAC name of methyl (2S)-3-hydroxy-2-methylpropanoate. It belongs to the following product categories: Building Blocks for Liquid Crystals; Chiral Building Blocks; Chiral Compounds (Building Blocks for Liquid Crystals); Esters (Chiral); Functional Materials; Synthetic Organic Chemistry. And the molecular formula of this chemical is C5H10O3.

The physical properties of Methyl (S)-(+)-3-Hydroxy-2-methylpropionate are as followings: (1)ACD/LogP: -0.41; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 3; (4)#H bond donors: 1; (5)#Freely Rotating Bonds: 4; (6)Polar Surface Area: 46.53 Å2; (7)Index of Refraction: 1.42; (8)Molar Refractivity: 28.482 cm3; (9)Molar Volume: 112.434 cm3; (10)Polarizability: 11.291×10-24cm3; (11)Surface Tension: 33.218 dyne/cm; (12)Density: 1.051 g/cm3; (13)Flash Point: 81.111 °C; (14)Enthalpy of Vaporization: 47.893 kJ/mol; (15)Boiling Point: 175.048 °C at 760 mmHg; (16)Vapour Pressure: 0.361 mmHg at 25°C.

You should be cautious while dealing with this chemical. It irritates eyes, respiratory system and skin, and it is also harmful by inhalation, in contact with skin and if swallowed. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting 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=C(OC)[C@@H](C)CO
(2)InChI: InChI=1/C5H10O3/c1-4(3-6)5(7)8-2/h4,6H,3H2,1-2H3/t4-/m0/s1
(3)InChIKey: ATCCIZURPPEVIZ-BYPYZUCNBZ

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