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inquiryalpha-Cyclopentylmandelic acid CAS: 427-49-6 Specification Item Standard Identification A.H-NMR:Comply with the structure B.LC-MS:Comply with the structure C.The
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inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used in organic synthesis Transport
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inquiryalpha-Cyclopentylmandelic acid Basic information Product Name: alpha-Cyclopentylmandelic acid Synonyms: ALPHA-CYCLOPENTYLMANDELIC ACID;CM ACID;CYCLOPENTYL-HYDROXY-PHENYL-ACETIC ACID;CYCLOPENTYL MANDELIC ACID;CYCLOPENTYLPHENYLGLYCOLIC ACID;TIMTEC-
Cas:427-49-6
Min.Order:1 Kilogram
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inquiryConditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; | A 3.87 g B 92% |
Benzoylformic acid
cyclopentylmagnesium bromide
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
In diethyl ether at 0 - 20℃; for 24.5h; | 36.4% |
Stage #1: Benzoylformic acid; cyclopentylmagnesium bromide In diethyl ether at 0 - 20℃; for 24.5h; Stage #2: With hydrogenchloride In diethyl ether; water | 36.4% |
2-Cyclopentyl-2-hydroxy-2-phenylacetic acid methyl ester
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water at 20℃; Inert atmosphere; | 25% |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid ethyl ester
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
With potassium hydroxide In methanol at 20℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrahydrofuran / 0 - 20 °C 2: KOH / methanol / 20 °C View Scheme |
cyclopentylmagnesium bromide
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrahydrofuran / 0 - 20 °C 2: KOH / methanol / 20 °C View Scheme |
methyl 2-oxo-2-phenylacetate
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: iodine; magnesium / tetrahydrofuran / 0 °C / Reflux; Inert atmosphere 1.2: 10 - 20 °C / Inert atmosphere 2.1: sodium hydroxide / water; methanol / 20 °C / Inert atmosphere View Scheme |
Cyclozil chloromethacryloyloxymethylate
A
formaldehyd
B
2-(N,N-dimethylamino)ethanol
C
poly(methacrylic acid)
D
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
With potassium chloride In methanol at 24.9℃; Rate constant; Kinetics; Mechanism; different pH values from 298-323 K, different ion strength of KCl solution; |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
(2R)-2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
Stage #1: 2-cyclopentyl-2-hydroxy-2-phenylacetic acid With D-tyrosine methyl ester In water; acetonitrile at 0℃; for 4h; Reflux; Stage #2: With hydrogenchloride In water; toluene at 40℃; | 83.4% |
With L-Tyr-OMe In acetonitrile Reflux; | 71% |
Stage #1: 2-cyclopentyl-2-hydroxy-2-phenylacetic acid With 12-epi-strychnine In methanol at 20℃; Stage #2: With (+)-1-phenylethylamine In ethyl acetate | 33.3% |
N-{[1-(Benzyl)-3-pyrrolidinyl]methyl}-N-methylamine
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
Stage #1: 2-cyclopentyl-2-hydroxy-2-phenylacetic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; dmap In N,N-dimethyl-formamide at 15 - 20℃; for 2h; Stage #2: N-{[1-(Benzyl)-3-pyrrolidinyl]methyl}-N-methylamine With 4-methyl-morpholine In N,N-dimethyl-formamide at 15 - 20℃; for 1 - 14h; Stage #3: With water for 0.25h; | 75.34% |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
(3S)-1-benzyl-3-pyrrolidinamine
2-cyclopentyl-2-hydroxy-N-[(3S)-1-benzyl-pyrrolidin-3-yl]-2-phenylacetamide
Conditions | Yield |
---|---|
With 4-methyl-morpholine; benzotriazol-1-ol In DMF (N,N-dimethyl-formamide) at 0 - 20℃; for 20h; | 95% |
(R)-N-benzyl-3-hydroxypyrrolidine
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
(3S)-1-benzylpyrrolidin-3-yl-cyclopentyl(hydroxy)phenyl acetate
Conditions | Yield |
---|---|
With triphenylphosphine In tetrahydrofuran at 20℃; for 20h; | 91% |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
[1α,5α,6α]-6-Aminomethyl-3-benzyl-3-azabicyclo[3.1.0]hexane
(1α,5α,6α)-N-[3-benzyl-3-azabicyclo[3.1.0]hexyl-6-(aminomethyl)-yl]-2-hydroxy-2-cyclopentyl-2-phenyl acetamide
Conditions | Yield |
---|---|
With 4-methyl-morpholine; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In N,N-dimethyl-formamide at 0 - 20℃; | 95% |
(1α,5α,6α)-6-aminomethyl-3-benzyl-3-azabicyclo[3.1.0]hexane
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
With 4-methyl-morpholine; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In N,N-dimethyl-formamide at 0 - 20℃; | 95% |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
methyl iodide
2-Cyclopentyl-2-hydroxy-2-phenylacetic acid methyl ester
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; | 64% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; | 35% |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
Stage #1: l-((R)-α-methyl benzyl)-3-pyrrolidin methanol; 2-cyclopentyl-2-hydroxy-2-phenylacetic acid With 4-methyl-morpholine; benzotriazol-1-ol In N,N-dimethyl-formamide at 0 - 5℃; for 1h; Stage #2: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 30℃; for 16h; | 17% |
4-amino-1-benzylpiperidine
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
N-(1-benzyl-piperidin-4-yl)-2-cyclopentyl-2-hydroxy-2-phenyl-acetamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In chloroform at 20℃; for 14h; | 94% |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In DMF (N,N-dimethyl-formamide) at 0 - 20℃; for 60h; |
[1α,5α,6α]-6-(N-Methyl)tert-butoxycarbonylamino-3-azabicyclo[3.1.0]hexane
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
Stage #1: [1α,5α,6α]-6-(N-Methyl)tert-butoxycarbonylamino-3-azabicyclo[3.1.0]hexane; 2-cyclopentyl-2-hydroxy-2-phenylacetic acid With 4-methyl-morpholine; benzotriazol-1-ol In N,N-dimethyl-formamide at 0℃; for 1h; Stage #2: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0℃; |
2-(1H-imidazol-1-yl)ethanamine hydrochloride
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
Stage #1: 2-(1H-imidazol-1-yl)ethanamine hydrochloride With 4-methyl-morpholine In chloroform at 20℃; for 0.0833333 - 0.166667h; Stage #2: 2-cyclopentyl-2-hydroxy-2-phenylacetic acid With benzotriazol-1-ol In chloroform at 20℃; for 0.5 - 0.75h; Stage #3: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In chloroform |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
1-cyclopentylidene-1-phenylacetic acid
Conditions | Yield |
---|---|
With hydrogenchloride In water for 48h; Reflux; | 81% |
With hydrogenchloride In water for 49h; Reflux; Inert atmosphere; | 63% |
With hydrogenchloride In water for 48h; Reflux; |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
1-t-Butoxycarbonylpiperazine
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 16h; |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 16h; |
Conditions | Yield |
---|---|
Stage #1: 2-cyclopentyl-2-hydroxy-2-phenylacetic acid With sodium hydroxide In N,N-dimethyl-formamide at 60℃; for 1h; Stage #2: benzyl chloride In N,N-dimethyl-formamide at 110℃; for 3h; | 285 g |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
1-methylpyrrolidin-3-yl methanesulfonate
3-(2-cyclopentyl-2-hydroxy-2-phenylacetyloxy)-1-methylpyrrolidine
Conditions | Yield |
---|---|
With sodium carbonate In acetonitrile at 75 - 80℃; | 30 g |
toluene-4-sulfonic acid 1-methylpyrrolidin-3-yl ester
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
3-(2-cyclopentyl-2-hydroxy-2-phenylacetyloxy)-1-methylpyrrolidine
Conditions | Yield |
---|---|
With sodium carbonate In acetonitrile at 75 - 80℃; | 11.5 g |
Conditions | Yield |
---|---|
In acetone for 6h; Inert atmosphere; Reflux; | 80% |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
N-(piperidin-4-yl)-2-cyclopentyl-2-hydroxy-2-phenylacetamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 94 percent / 1-hydroxybenzotriazole; 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide / CHCl3 / 14 h / 20 °C 2: 74 percent / H2 / 20percent Pd(OH)2 / ethanol / 8 h / 760.05 Torr View Scheme | |
With sodium hydroxide In ethyl acetate |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
1,1'-carbonyldiimidazole
2-cyclopentyl-2-hydroxy-1-(1H-imidazol-1-yl)-2-phenylethanone
Conditions | Yield |
---|---|
In acetonitrile at 0 - 20℃; for 2h; | |
In acetonitrile at 0 - 20℃; for 2h; Inert atmosphere; | 7.3 g |
1-methyl-3-pyrrolidinol
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
3-(2-cyclopentyl-2-hydroxy-2-phenylacetyloxy)-1-methylpyrrolidine
Conditions | Yield |
---|---|
Stage #1: 2-cyclopentyl-2-hydroxy-2-phenylacetic acid With 1,1'-carbonyldiimidazole In toluene at 20℃; for 0.5h; Stage #2: 1-methyl-3-pyrrolidinol In toluene at 20℃; | 71% |
Stage #1: 2-cyclopentyl-2-hydroxy-2-phenylacetic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide at 18℃; Stage #2: 1-methyl-3-pyrrolidinol In N,N-dimethyl-formamide at 18 - 60℃; for 19h; Product distribution / selectivity; | |
With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide at 18 - 60℃; for 19h; Inert atmosphere; | |
Stage #1: 2-cyclopentyl-2-hydroxy-2-phenylacetic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide at 20℃; for 0.333333h; Stage #2: 1-methyl-3-pyrrolidinol In N,N-dimethyl-formamide at 60℃; | Ca.580 g |
Conditions | Yield |
---|---|
With oxygen; copper diacetate In dimethyl sulfoxide at 120℃; for 10h; Sealed tube; | 93% |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
cyclopentylphenylmethanol
Conditions | Yield |
---|---|
With sodium tetrahydroborate; [4,4’-bis(1,1-dimethylethyl)-2,2’-bipyridine-N1,N1‘]bis [3,5-difluoro-2-[5-(trifluoromethyl)-2-pyridinyl-N]phenyl-C]iridium(III) hexafluorophosphate; oxygen; caesium carbonate In dichloromethane at 40℃; for 40h; Irradiation; | 92% |
2-cyclopentyl-2-hydroxy-2-phenylacetic acid
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene for 2h; Heating / reflux; |
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