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CAS No.: | 80657-57-4 |
---|---|
Name: | METHYL (S)-(+)-3-HYDROXY-2-METHYLPROPIONATE |
Article Data: | 35 |
Cas Database | |
Molecular Structure: | |
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Formula: | C5H10O3 |
Molecular Weight: | 118.133 |
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; |
Density: | 1.051 g/cm3 |
Boiling Point: | 175.048 °C at 760 mmHg |
Flash Point: | 81.111 °C |
Solubility: | Insoluble in water. Soluble in methanol. |
Hazard Symbols: | Xn |
Risk Codes: | 36/37/38-20/21/22 |
Safety: | 26-36/37/39-36-24/25 |
PSA: | 46.53000 |
LogP: | -0.21220 |
methyl 2-hydroxymethylacrylate
3-hydroxy-(2S)-methylpropionate
Conditions | Yield |
---|---|
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
3-hydroxy-(2S)-methylpropionate
Conditions | Yield |
---|---|
With potassium carbonate In methanol at 5 - 10℃; for 1h; | 75% |
With potassium carbonate In methanol at 0 - 5℃; | 75% |
diazomethane
3-hydroxyisobutyric acid
A
3-hydroxy-(2S)-methylpropionate
B
methyl (R)-3-hydroxy-2-methylpropionate
Conditions | Yield |
---|---|
In diethyl ether Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
diazomethane
(S)-(+)-3-hydroxy-2-methyl-propanoic acid
3-hydroxy-(2S)-methylpropionate
Conditions | Yield |
---|---|
In diethyl ether | |
In diethyl ether 1.)0 deg C, 2 h, 2.)r.t., overnight; Yield given; |
methyl 3-hydroxy-2-methylpropanoate
3-hydroxy-(2S)-methylpropionate
3-hydroxy-(2S)-methylpropionate
Conditions | Yield |
---|---|
With sodium hydroxide und Behandeln der nach dem Ansaeuern erhaltenen Saeure mit Diazomethan in Aether; |
methyl 2-hydroxymethylacrylate
A
3-hydroxy-(2S)-methylpropionate
B
methyl (R)-3-hydroxy-2-methylpropionate
Conditions | Yield |
---|---|
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.; |
3-hydroxy-(2S)-methylpropionate
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane; water at 0 - 20℃; for 2h; | 35 mg |
methyl 3-hydroxy-2-methylpropanoate
A
3-hydroxy-(2S)-methylpropionate
B
methyl (R)-3-hydroxy-2-methylpropionate
Conditions | Yield |
---|---|
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
3-hydroxy-(2S)-methylpropionate
methyl 2(S)-methyl-3-tetrahydropyranyloxypropanoate
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane at 25℃; for 3h; | 100% |
With toluene-4-sulfonic acid In diethyl ether | 100% |
With toluene-4-sulfonic acid In diethyl ether | 100% |
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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