Product Name

  • Name

    Mandelic acid

  • EINECS 210-276-6
  • CAS No. 611-71-2
  • Article Data453
  • CAS DataBase
  • Density 1.321 g/cm3
  • Solubility It is partly soluble in water, freely soluble in isopropyl and ethyl alcohol.
  • Melting Point 131-133 °C(lit.)
  • Formula C8H8O3
  • Boiling Point 321.8 °C at 760 mmHg
  • Molecular Weight 152.15
  • Flash Point 162.6 °C
  • Transport Information
  • Appearance white to light yellow crystal powder
  • Safety 22-24/25-36-26
  • Risk Codes 41-36/37/38
  • Molecular Structure Molecular Structure of 611-71-2 (Mandelic acid)
  • Hazard Symbols IrritantXi
  • Synonyms Benzeneaceticacid, a-hydroxy-, (R)-;Mandelic acid, D-(8CI);(-)-(R)-Mandelic acid;(-)-D-Mandelic acid;(-)-Mandelic acid;(-)-a-Hydroxyphenylacetic acid;(R)-(-)-Hydroxyphenylaceticacid;(R)-(-)-Mandelic acid;(R)-2-Hydroxy-2-(phenyl)ethanoic acid;(R)-2-Hydroxy-2-phenylacetic acid;(R)-Hydroxy(phenyl)acetic acid;(R)-Mandelicacid;(R)-Mandelic acid;(R)-a-Hydroxybenzeneaceticacid;(R)-a-Hydroxyphenylacetic acid;D(-)-Mandelic acid;D-2-Phenylglycolic acid;D-Mandelic acid;R-(-)-Mandelic acid;Mandelic acid;
  • PSA 57.53000
  • LogP 0.80460

Synthetic route

(RS)-mandelonitrile
532-28-5, 613-88-7

(RS)-mandelonitrile

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
In aq. phosphate buffer at 40℃; for 0.5h; pH=8; Reagent/catalyst; Time;100%
With Escherichia coli M15/BCJ2315 harboring the nitrilase BCJ2315 from Burkholderia cenocepacia J2315 wet cells In methanol; aq. phosphate buffer for 24h; pH=8; Large scale; enantioselective reaction;93%
With phosphate buffer; nitrilase I In methanol at 37℃; for 3h; pH=8;86%
(2R,5R)-2,5-diphenyloxazolidin-4-one

(2R,5R)-2,5-diphenyloxazolidin-4-one

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With hydrogenchloride In water-d2 at 100℃; for 16h; Inert atmosphere;100%
d'acide 2-fluoro-2-phenyl acetique
1578-63-8

d'acide 2-fluoro-2-phenyl acetique

A

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

B

(R)-α-fluoro-α-phenylacetic acid
63818-94-0

(R)-α-fluoro-α-phenylacetic acid

Conditions
ConditionsYield
With fluoroacetate dehalogenase RPA1163-W185N for 1h; Catalytic behavior; Kinetics; Enzymatic reaction; enantioselective reaction;A 96.4%
B 96.7%
With fluoroacetate dehalogenase RPA1163 In aq. buffer at 30℃; for 2h; pH=7.5; Kinetics; Catalytic behavior; Resolution of racemate; Microbiological reaction; Enzymatic reaction; enantioselective reaction;A n/a
B n/a
(R)-1-phenyl-1,2-ethanediol
16355-00-3

(R)-1-phenyl-1,2-ethanediol

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium bromide In acetone at 0℃; pH=8.3; chemoselective reaction;96%
With recombinant alditol oxidase from Streptomyces coelicolor A3(2); catalase from bovine liver at 25℃; pH=7.5; Kinetics; Reagent/catalyst; Temperature; pH-value; aq. phosphate buffer; Enzymatic reaction; enantioselective reaction;
(S)-2-hydroxymethyl-N-((R)-2-hydroxy-2-phenyl)-acetyl pyrrolidine
102061-02-9

(S)-2-hydroxymethyl-N-((R)-2-hydroxy-2-phenyl)-acetyl pyrrolidine

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With sulfuric acid In water at 90℃; for 0.5h;95%
With sulfuric acid at 90℃; for 0.5h;93%
Benzoylformic acid
611-73-4

Benzoylformic acid

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With C48H50N2O2P2Ru*2C18H15P*4Cl(1-)*2Ru(2+); hydrogen; sodium acetate; triphenylphosphine In methanol at 0℃; under 30003 Torr; for 24h; Autoclave; enantioselective reaction;94%
With phosphate buffer; D-glucose; 2-hydroxyethanethiol; sodium chloride; 1,4-dihydronicotinamide adenine dinucleotide; benzoylformate reductase In water; toluene at 30℃; for 48h; Product distribution; Other catalysts: bovine serum albumin, yeast alcohol dehydrogenase, glucose dehydrogenase, formate dehydrogenase;93%
With phosphate buffer; D-glucose; 2-hydroxyethanethiol; sodium chloride; formate dehydrogenase; 1,4-dihydronicotinamide adenine dinucleotide; benzoylformate reductase; bovine serum albumin; yeast alcohol dehydrogenase In ethanol; water; toluene at 30℃; for 48h;93%
(1S,2S)-trans-2-(N-benzyl)amino-1-cyclohexanol (S)-mandelic acid salt
882409-00-9

(1S,2S)-trans-2-(N-benzyl)amino-1-cyclohexanol (S)-mandelic acid salt

A

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

B

(1S,2S)-2-trans-2-(benzylamino)cyclohexanol hydrochloride

(1S,2S)-2-trans-2-(benzylamino)cyclohexanol hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In water; ethyl acetateA 94%
B n/a
vinyl acetate
108-05-4

vinyl acetate

A

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

B

(S)-acetylmandelic acid
7322-88-5

(S)-acetylmandelic acid

Conditions
ConditionsYield
In acetone; toluene at 37℃; for 24h; Pseudomonas sp. lipase;A 92%
B 84%
With Burkholderia ambifaria YCJ01 lipase In di-isopropyl ether at 50℃; for 26h; Resolution of racemate; Enzymatic reaction; enantioselective reaction;A n/a
B n/a
With lipase LC2-8 from P. stutzeri LC2-8 In di-isopropyl ether at 30℃; Solvent; Temperature; Resolution of racemate; Enzymatic reaction;A n/a
B n/a
L-1-(1-pyrrolidinyl)-1-propanone-D-(-)-mandelic acid

L-1-(1-pyrrolidinyl)-1-propanone-D-(-)-mandelic acid

A

(SR)-(+/-)-1-phenyl-2-(1-pyrrolidinyl)-1-propanone
19134-50-0

(SR)-(+/-)-1-phenyl-2-(1-pyrrolidinyl)-1-propanone

B

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide In water; ethyl acetate at 0 - 80℃; for 5h; pH=2;A 89.2%
B n/a
C22H18O4

C22H18O4

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With potassium phosphate; tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate; ascorbic acid In water; acetonitrile at 20℃; for 1h; Irradiation;89%
(R)-Mandelonitrile
10020-96-9

(R)-Mandelonitrile

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With hydrogenchloride for 6h; Heating;88%
With hydrogenchloride 1a) r.t., 18 h, 1b) 60 deg C, 3 h, 1c) reflux, 2 h;82%
With hydrogenchloride; water at 65 - 70℃; for 40h; optical yield given as %ee; enantioselective reaction;10.34 g
(R)-S-ethyl hydroxy-phenyl-thioacetate
157982-31-5

(R)-S-ethyl hydroxy-phenyl-thioacetate

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With lithium hydroxide; dihydrogen peroxide In tetrahydrofuran86%
With lithium hydroxide; dihydrogen peroxide In tetrahydrofuran; water at 0℃; for 0.5h; Hydrolysis;85%
(αR,3S)-4,4-dimethyl-2-oxo-1-phenylpyrrolidin-3-yl α-hydroxy-α-phenylacetate

(αR,3S)-4,4-dimethyl-2-oxo-1-phenylpyrrolidin-3-yl α-hydroxy-α-phenylacetate

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With hydrogenchloride In acetic acid at 120℃;81%
3-hydroxy-2-methoxyimino-3-phenylpropionitrile

3-hydroxy-2-methoxyimino-3-phenylpropionitrile

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With hydrogenchloride In water for 2h; Reflux;80%
(R)-methyl mandelate
20698-91-3

(R)-methyl mandelate

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With sodium hydroxide In ethanol at 0℃; for 2h;74%
With sodium dihydrogenphosphate; Candida antarctica B lipase immobilized on polyethyleneimine In water at 25℃; pH=7; Kinetics; Further Variations:; Reagents; pH-values;
With sodium hydroxide In water at 40℃; for 1h;41.4 g
(1R,4R)-sertraline*(R)-mandelic acid
880489-75-8

(1R,4R)-sertraline*(R)-mandelic acid

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
Stage #1: (1R,4R)-sertraline*(R)-mandelic acid With sodium hydroxide In water; toluene at 70℃; for 0.5 - 1h;
Stage #2: With hydrogenchloride; water pH=< 0.5;
70%

A

(S)-Mandelic acid
17199-29-0

(S)-Mandelic acid

B

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
Stage #1: MANDELIC ACID With (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2R)-2-[(R)-1-benzylamino-1-phenylmethyl]butanoate In dichloromethane; acetone at 25℃; for 12h; Resolution of racemate;
Stage #2: With sodium carbonate In diethyl ether
Stage #3: With hydrogenchloride In diethyl ether; water optical yield given as %ee;
A 61%
B 28%
Stage #1: MANDELIC ACID With L-alanin In water at 20℃; for 48h; resolution of racemate;
Stage #2: With hydrogenchloride In water
With (2S,3S)-2,3-dibenzyloxy-1,4-bis(hydroxyamino)butane In ethanol; water Resolution of racemate;
2-acetoxy-2-phenylacetic acid
29071-09-8

2-acetoxy-2-phenylacetic acid

A

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

B

(S)-acetylmandelic acid
7322-88-5

(S)-acetylmandelic acid

Conditions
ConditionsYield
With immobilized lipase B from Candida antarctica; ammonia In di-isopropyl ether at 25℃; for 12h; Solvent; Temperature; Resolution of racemate; Enzymatic reaction;A 49%
B n/a
C8H8O3*C14H15NO

C8H8O3*C14H15NO

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With sodium hydroxide In water46%

A

(S)-Mandelic acid
17199-29-0

(S)-Mandelic acid

C

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With ammonium bicarbonate In water; dimethyl sulfoxide at 50℃; for 8h; Time; Reagent/catalyst; Temperature; Enzymatic reaction;A n/a
B 46%
C n/a
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
Stage #1: MANDELIC ACID With (1R,2R,4R)-N-benzyl-1,7,7-trimethylbicyclo[2.2.1]heptan-2-amine In acetonitrile at 20℃; Reflux; Inert atmosphere; Resolution of racemate;
Stage #2: With hydrogenchloride In water Inert atmosphere;
37%
With ethanol; ephedrine
With (+)-neoisothujylamine

A

(S)-Mandelic acid
17199-29-0

(S)-Mandelic acid

B

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

C

Benzoylformic acid
611-73-4

Benzoylformic acid

D

benzoic acid
65-85-0

benzoic acid

Conditions
ConditionsYield
With potassium phosphate buffer; Pseudomonas putida ECU1009 at 30℃; for 6h; pH=6.0;A n/a
B n/a
C 2%
D n/a
2,2-dihydroxy-1-phenyl-ethanone
1075-06-5

2,2-dihydroxy-1-phenyl-ethanone

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With bacterium ascendens; calcium carbonate
With bacterium subtilis; calcium carbonate
With bacterium prodigiosum; bacterium proteus; calcium carbonate
bei der Einw. von Bact. coli, fluorescens und pyocyaneum;
With bacterium lactis aerogenes
phenylglycin
2835-06-5

phenylglycin

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With fermenting yeast
With oidium lactis
(R)-2-bromo-2-phenylacetic acid
60686-79-5

(R)-2-bromo-2-phenylacetic acid

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With ammonium hydroxide
hydroxy-phenyl-acetic acid ethyl ester
774-40-3, 4358-88-7

hydroxy-phenyl-acetic acid ethyl ester

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
Enzymatische Hydrolyse.Hydrolysis;
Multi-step reaction with 3 steps
1: 84 percent / C5H5N
2: 4.85 g / 72 h / 30 °C / microbial hydrolysis
3: 985 mg / 2.4 N HCl / 4 h / Heating
View Scheme
hydrogen cyanide
74-90-8

hydrogen cyanide

benzaldehyde
100-52-7

benzaldehyde

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With emulsin; water Verseifung mit Salzsaeure;
amygdalin
29883-15-6

amygdalin

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Conditions
ConditionsYield
With hydrogenchloride
With sulfuric acid Hydrolysis;
phenylethane 1,2-diol
93-56-1

phenylethane 1,2-diol

A

(S)-Mandelic acid
17199-29-0

(S)-Mandelic acid

B

(R)-1-phenyl-1,2-ethanediol
16355-00-3

(R)-1-phenyl-1,2-ethanediol

C

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

D

Benzoylformic acid
611-73-4

Benzoylformic acid

E

benzoic acid
65-85-0

benzoic acid

Conditions
ConditionsYield
In ethanol; water at 30℃; for 168h; Product distribution; Mechanism; Bacillus subtilis subsp. niger IFO 3108, on nutrient agar plates pH 7.0; other solvents, other microorganisms; stereoselectivity;
phenylethane 1,2-diol
93-56-1

phenylethane 1,2-diol

A

(S)-Mandelic acid
17199-29-0

(S)-Mandelic acid

B

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

C

Benzoylformic acid
611-73-4

Benzoylformic acid

D

benzoic acid
65-85-0

benzoic acid

Conditions
ConditionsYield
In ethanol; water at 30℃; for 168h; Bacillus subtilis subsp. niger IFO 3108, on nutrient agar plates pH 7.0; Yield given. Further byproducts given. Yields of byproduct given;
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

methyl iodide
74-88-4

methyl iodide

methyl (R)-(-)-2-methoxy-2-phenylacetate
32174-46-2

methyl (R)-(-)-2-methoxy-2-phenylacetate

Conditions
ConditionsYield
With silver(l) oxide for 1h; Heating;100%
Stage #1: (R)-Mandelic Acid With n-butyllithium; dimethyl sulfoxide In hexane for 2h;
Stage #2: methyl iodide In hexane; dimethyl sulfoxide
100%
Stage #1: (R)-Mandelic Acid With MeSOCH2Li In dimethyl sulfoxide
Stage #2: methyl iodide In dimethyl sulfoxide
99.5%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

(R)-methyl mandelate
20698-91-3

(R)-methyl mandelate

Conditions
ConditionsYield
In diethyl ether Methylation;100%
90%
methanol
67-56-1

methanol

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

(R)-methyl mandelate
20698-91-3

(R)-methyl mandelate

Conditions
ConditionsYield
With toluene-4-sulfonic acid for 3h; Heating;100%
With toluene-4-sulfonic acid for 3h; Reflux; Inert atmosphere;100%
With thionyl chloride 10 min at -10 deg C and 4 h at r.t.;98%
1-methyl-1-nitrosourea
684-93-5

1-methyl-1-nitrosourea

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

(R)-methyl mandelate
20698-91-3

(R)-methyl mandelate

Conditions
ConditionsYield
With potassium hydroxide In diethyl ether; water at 0℃; for 0.25h;100%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

4-Bromophenethylamine
73918-56-6

4-Bromophenethylamine

C16H16BrNO2
1016313-21-5

C16H16BrNO2

Conditions
ConditionsYield
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In N,N-dimethyl-formamide at 20℃; for 16h;99.8%
N,N-dimethylaminomethyltriethoxysilane
54729-82-7

N,N-dimethylaminomethyltriethoxysilane

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

1-(N,N-dimethylaminiomethyl)spirobi[4-phenyl-3-oxo(2,5-dioxa-1-silacyclopentan)]ate

1-(N,N-dimethylaminiomethyl)spirobi[4-phenyl-3-oxo(2,5-dioxa-1-silacyclopentan)]ate

Conditions
ConditionsYield
In tetrahydrofuran at 20℃;99.1%
6-amino-1-hexanol
4048-33-3

6-amino-1-hexanol

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

2-hydroxy-N-(6-hydroxyhexyl)-2-phenylacetamide

2-hydroxy-N-(6-hydroxyhexyl)-2-phenylacetamide

Conditions
ConditionsYield
With dihydroxy-methyl-borane; water In o-xylene for 12h; Molecular sieve; Reflux; chemoselective reaction;99%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

benzylamine
100-46-9

benzylamine

(R)-N-benzyl-2-hydroxy-2-phenylacetamide
88393-58-2

(R)-N-benzyl-2-hydroxy-2-phenylacetamide

Conditions
ConditionsYield
With (2-(thiophen-2-ylmethyl)phenyl)boronic acid In 1,2-dichloro-ethane at 65℃; for 48h; Inert atmosphere; Molecular sieve;99%
With 1-hydroxy-pyrrolidine-2,5-dione; dicyclohexyl-carbodiimide In tetrahydrofuran at 0 - 20℃; for 20.25h;57%
With tris(2,2,2-trifluoroethyl) borate at 125℃; under 760.051 Torr; for 24h;24%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

tetra-n-butylphosphonium hydroxide
14518-69-5

tetra-n-butylphosphonium hydroxide

tetrabutylphosphonium (R)-(-)-mandelate

tetrabutylphosphonium (R)-(-)-mandelate

Conditions
ConditionsYield
In water at 20℃; for 2h;99%
bis(trichloromethyl) carbonate
32315-10-9

bis(trichloromethyl) carbonate

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

(R)-(-)-5-phenyl-1,3-dioxolane-2,4-dione
54256-33-6

(R)-(-)-5-phenyl-1,3-dioxolane-2,4-dione

Conditions
ConditionsYield
With triethylamine In acetonitrile at 25℃; for 6h; Temperature; Solvent;99%
With pyrographite In tetrahydrofuran at 20℃; for 20h;
triethoxy<1-(3-piperidinopropyl)>silane
22491-67-4

triethoxy<1-(3-piperidinopropyl)>silane

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

C22H24NO6Si(1-)*H(1+)

C22H24NO6Si(1-)*H(1+)

Conditions
ConditionsYield
In tetrahydrofuran at 20℃;98.7%
ethanol
64-17-5

ethanol

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

(R)-mandelic acid ethyl ester
10606-72-1

(R)-mandelic acid ethyl ester

Conditions
ConditionsYield
With boron trifluoride diethyl etherate for 1h; Esterification; Heating;98%
With sulfuric acid for 4h; Heating;91%
With sulfuric acid
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

acetyl chloride
75-36-5

acetyl chloride

(R)-(-)-O-acetylmandelic acid
51019-43-3

(R)-(-)-O-acetylmandelic acid

Conditions
ConditionsYield
98%
With pyridine In dichloromethane 0 deg C, 15 min and 2 h, 20 deg C; Yield given;
for 1h; Heating;
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

benzyl bromide
100-39-0

benzyl bromide

(R)-benzyl 2-hydroxy-2-phenyl-acetate
97415-09-3

(R)-benzyl 2-hydroxy-2-phenyl-acetate

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; Esterification;98%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

isobutylamine
78-81-9

isobutylamine

(R)-N-isobutyl-mandelamide

(R)-N-isobutyl-mandelamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane98%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

benzyl-methyl-amine
103-67-3

benzyl-methyl-amine

(R)-N-benzyl-2-hydroxy-N-methyl-2-phenylacetamide
1445920-42-2

(R)-N-benzyl-2-hydroxy-N-methyl-2-phenylacetamide

Conditions
ConditionsYield
With dihydroxy-methyl-borane; water In toluene for 24h; Molecular sieve; Reflux;98%
styrene
292638-84-7

styrene

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

2-iodo-1-phenylethyl (2R)-2-hydroxy-2-phenylacetate

2-iodo-1-phenylethyl (2R)-2-hydroxy-2-phenylacetate

Conditions
ConditionsYield
With N-iodo-succinimide In dichloromethane at 20 - 22℃; for 0.25h; regioselective reaction;98%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

sitagliptin
486460-32-6

sitagliptin

sitagliptin (R)-(-)mandelate
1240038-86-1

sitagliptin (R)-(-)mandelate

Conditions
ConditionsYield
In ethyl acetate at 25 - 50℃; Product distribution / selectivity;97%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

dodecyl-dimethyl-(2-phenoxy-ethyl)-ammonium; chloride
10561-60-1

dodecyl-dimethyl-(2-phenoxy-ethyl)-ammonium; chloride

domiphen (R)-(-)-mandelate
1287759-35-6

domiphen (R)-(-)-mandelate

Conditions
ConditionsYield
With potassium hydroxide In water at 60℃; for 5h;97%
Cyclododecylamine
1502-03-0

Cyclododecylamine

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

(R)-N-cyclododecyl-2-hydroxy-2-phenylacetamide
1445920-48-8

(R)-N-cyclododecyl-2-hydroxy-2-phenylacetamide

Conditions
ConditionsYield
With dihydroxy-methyl-borane; water; benzoic acid In toluene for 12h; Molecular sieve; Reflux;97%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

pivaloyl chloride
3282-30-2

pivaloyl chloride

(R)-2-phenyl-2-(pivaloyloxy)acetic acid

(R)-2-phenyl-2-(pivaloyloxy)acetic acid

Conditions
ConditionsYield
In dichloromethane at 20℃; for 24h;97%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

N,N-bis(trimethylsilyloxy)-1-propen-2-amine
102588-22-7

N,N-bis(trimethylsilyloxy)-1-propen-2-amine

A

2-(hydroxyimino)propyl 2-hydroxy-2-phenylacetate

2-(hydroxyimino)propyl 2-hydroxy-2-phenylacetate

B

2-(hydroxyimino)propyl 2-hydroxy-2-phenylacetate

2-(hydroxyimino)propyl 2-hydroxy-2-phenylacetate

Conditions
ConditionsYield
In dichloromethane; N,N-dimethyl-formamide at 20℃; for 2h; regioselective reaction;A n/a
B 97%
silver (II) carbonate

silver (II) carbonate

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

Ag(R-mandetate)

Ag(R-mandetate)

Conditions
ConditionsYield
With sodium hydroxide In water Darkness;96%
(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

pivalaldehyde
630-19-3

pivalaldehyde

(2R,5R)-2-(tert-butyl)-5-phenyl-1,3-dioxolan-4-one
116907-30-3

(2R,5R)-2-(tert-butyl)-5-phenyl-1,3-dioxolan-4-one

Conditions
ConditionsYield
With trifluorormethanesulfonic acid In pentane for 6h; Reflux;95%
With trifluorormethanesulfonic acid In pentane for 6h; Heating;91%
With toluene-4-sulfonic acid In pentane for 7h; Heating;85%
1,1-Diphenylmethanol
91-01-0

1,1-Diphenylmethanol

(R)-Mandelic Acid
611-71-2

(R)-Mandelic Acid

benzhydryl (2R)-2-hydroxy-2-phenylacetate
57658-91-0

benzhydryl (2R)-2-hydroxy-2-phenylacetate

Conditions
ConditionsYield
With iron(III)-acetylacetonate In 5,5-dimethyl-1,3-cyclohexadiene for 16h; Inert atmosphere; Reflux;95%

D-mandelic acid Specification

The D-mandelic acid is an organic compound with the formula C8H8O3. The IUPAC name of this chemical is (2R)-2-hydroxy-2-phenylacetic acid. With the CAS registry number 611-71-2, it is also named as 2-hydroxy-2-phenylacetic acid. The product's categories are Fine Chemical & Intermediates; Chiral Compounds; Chiral; Miscellaneous; Analytical Chemistry; Carboxylic Acids (Chiral); Chiral Building Blocks; e.e. / Absolute Configuration Determination (NMR); Enantiomer Excess & Absolute Configuration Determination; for Resolution of Bases; Optical Resolution; Synthetic Organic Chemistry; Chiral Compound. Besides, it is a white to light yellow crystal powder, which should be stored in a closed cool and dry place.

Physical properties about D-mandelic acid are: (1)ACD/LogP: 0.55; (2)ACD/LogD (pH 5.5): -1.98; (3)ACD/LogD (pH 7.4): -3.12; (4)ACD/BCF (pH 5.5): 1.00; (5)ACD/BCF (pH 7.4): 1.00; (6)ACD/KOC (pH 5.5): 1.00; (7)ACD/KOC (pH 7.4): 1.00; (8)#H bond acceptors: 3 ; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 3; (11)Index of Refraction: 1.591; (12)Molar Refractivity: 38.904 cm3; (13)Molar Volume: 115.131 cm3; (14)Polarizability: 15.423 10-24cm3; (15)Surface Tension: 60.4739990234375 dyne/cm; (16)Density: 1.322 g/cm3; (17)Flash Point: 162.649 °C; (18)Enthalpy of Vaporization: 59.501 kJ/mol; (19)Boiling Point: 321.827 °C at 760 mmHg

Preparation of D-mandelic acid: this chemical can be prepared by 2,2-dichloro-1-phenyl-ethanone. This reaction will need reagent NaOH-solution.



Uses of D-mandelic acid: it can be used to produce acetoxy-phenyl-acetic acid bt heating. This reaction time is 1 hour.

When you are using this chemical, please be cautious about it as the following:
It is risk of serious damage to eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing, do not breathe dust and avoid contact with skin and eyes.

You can still convert the following datas into molecular structure:
(1)InChI=1S/C8H8O3/c9-7(8(10)11)6-4-2-1-3-5-6/h1-5,7,9H,(H,10,11)/t7-/m1/s1;
(2)InChIKey=IWYDHOAUDWTVEP-SSDOTTSWSA-N;
(3)Smilesc1([C@H](C(O)=O)O)ccccc1

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