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18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
ChemicalBook CAS DataBase List (5R)- 5-Methyl-2-Pyrrolidinone
21395-93-7

(5R)- 5-Methyl-2-Pyrrolidinone synthesis

11synthesis methods
(5R)-5-methylpyrrolidmn-2-one is prepared by reacting (5S)-5-(bromomethyl)pyrrolidin-2-one in triethylamine and ethanol hydrogenated over 10% Pd/C catalyst at 50 barpressure.
123-76-2 Synthesis
Levulinic acid

123-76-2
492 suppliers
$5.00/25g

(5R)- 5-Methyl-2-Pyrrolidinone

21395-93-7
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Yield:96 % ee

Reaction Conditions:

Stage #1: levulinic acidwith ammonium acetate;(S)-Ru(OAc)2(SEGPHOS) in 2,2,2-trifluoroethanol;Glovebox;
Stage #2: with titanium(IV) isopropylate;hydrogen in 2,2,2-trifluoroethanol at 90; under 45004.5 Torr;Glovebox;Sealed tube;Autoclave;

References:

Chakrabortty, Soumyadeep;Zheng, Shasha;Kallmeier, Fabian;Baráth, Eszter;Tin, Sergey;de Vries, Johannes G. [ChemSusChem,2023]

72479-05-1 Synthesis
(S)-5-(BROMOMETHYL)-2-PYRROLIDINONE

72479-05-1
113 suppliers
$18.00/250mg

(5R)- 5-Methyl-2-Pyrrolidinone

21395-93-7
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References
2-Pyrrolidinone, 5-(iodomethyl)-, (5S)-

29266-73-7
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(5R)- 5-Methyl-2-Pyrrolidinone

21395-93-7
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References
123-76-2 Synthesis
Levulinic acid

123-76-2
492 suppliers
$5.00/25g

(5R)- 5-Methyl-2-Pyrrolidinone

21395-93-7
32 suppliers
inquiry

(5S)-5-Methyl-2-Pyrrolidinone

1558-60-7
39 suppliers
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References
51693-17-5 Synthesis
(S)-(+)-5-(Hydroxymethyl)-2-pyrrolidinone p-toluenesulfonate

51693-17-5
74 suppliers
$12.00/250mg

(5R)- 5-Methyl-2-Pyrrolidinone

21395-93-7
32 suppliers
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References