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(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one

CAS No.
145589-03-3
Chemical Name:
(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one
Synonyms
(R)-3-(3-Methylbutanoyl)-4-;-4-Benzyl-3-(3-methylbutanoyl);(4R)-4-Benzyl-3-isovaleryloxazolidin-2-one;3-isovaleroyl-4(R)-benzyl-oxazolidin-2-one;4R-Benzyl-3-(3-Methylbutyryl)oxazolidin-2-one;(R)-3-(3-methylbutanoyl)-4-benzyloxazolidin-2-one;(R)-4-benzyl-3-(3-Methylbutanoyl)oxazolidin-2-one;(4R)-4-Benzyl-3-(3-methyl-butyryl)-oxazolidin-2-one;(4R)-4-benzyl-3-(3-Methylbutanoyl)-1,3-oxazolidin-2-one;(4R)-3-(3-Methyl-1-oxobutyl)-4-(phenylMethyl)-2-oxazolidinone
CBNumber:
CB81094208
Molecular Formula:
C15H19NO3
Molecular Weight:
261.32
MDL Number:
MFCD10566718
MOL File:
145589-03-3.mol
MSDS File:
SDS
Last updated:2026-07-16 16:37:17

(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one Properties

Boiling point 412.9±14.0 °C(Predicted)
Density 1.152
storage temp. Sealed in dry,Room Temperature
solubility Chloroform, Dichloromethane, Ethyl Acetate
pka -2.33±0.40(Predicted)
form Solid
color White
optical activity Consistent with structure
InChI InChI=1S/C15H19NO3/c1-11(2)8-14(17)16-13(10-19-15(16)18)9-12-6-4-3-5-7-12/h3-7,11,13H,8-10H2,1-2H3/t13-/m1/s1
InChIKey JHGXEUXQJIKZMY-CYBMUJFWSA-N
SMILES O1C[C@@H](CC2=CC=CC=C2)N(C(=O)CC(C)C)C1=O

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Safety Statements  24/25
HS Code  29349990

(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one price More Price(42)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 241547 (R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one 145589-03-3 100mg $347 2026-06-03 Buy
Usbiological 241547 (R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one 145589-03-3 250mg $508 2026-06-03 Buy
Usbiological 241547 (R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one 145589-03-3 1g $837 2026-06-03 Buy
Usbiological 016628 (R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one 145589-03-3 250mg $446 2026-06-03 Buy
Chem-Impex 29273 (R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one 145589-03-3 100MG $201.6 2026-05-19 Buy
Product number Packaging Price Buy
241547 100mg $347 Buy
241547 250mg $508 Buy
241547 1g $837 Buy
016628 250mg $446 Buy
29273 100MG $201.6 Buy

(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one Chemical Properties, Uses, Production

Chemical Properties

White Solid

Uses

(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one (cas# 145589-03-3) is a compound useful in organic synthesis.

Synthesis

(S)-4-Benzyl-2-oxazolidinone

90719-32-7

Isovaleryl chloride

108-12-3

(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one

145589-03-3

GENERAL STEPS: A dichloromethane (100 ml) solution of 4-dimethylaminopyridine (2.55 g, 21.3 mmol) and triethylamine (46.9 ml, 340.8 mmol) was slowly added to a dichloromethane (300 ml) solution of (S)-4-benzyl-2-oxazolidinone (37.7 g, 213 mmol) at 0 °C. Subsequently, a solution of isovaleryl chloride (33.75 ml, 207 mmol) in dichloromethane (50 ml) was added dropwise while keeping the internal temperature below 10 °C. The reaction mixture was stirred at 10 °C for 30 min and then filtered to remove the formed salt. Water (100 ml) was added to the filtrate for phase separation. The organic phase was washed sequentially with water (100 ml) and brine (100 ml), dried over anhydrous sodium sulfate, and concentrated under reduced pressure to give 53 g of a yellow oily product, which solidified to a solid on standing (95% yield). The product was characterized by 1H NMR (300 MHz, CDCl3, 298 K) and 13C NMR (75 MHz, CDCl3, 298 K) and confirmed to be the target compound 3-isopentanoyl-4(R)-benzyl-2-oxazolidinone.

References

[1] Helvetica Chimica Acta, 2012, vol. 95, # 10, p. 1937 - 1945,9
[2] Patent: WO2011/151442, 2011, A2. Location in patent: Page/Page column 24
[3] Patent: US2013/71899, 2013, A1. Location in patent: Paragraph 0124-0127
[4] Journal of Medicinal Chemistry, 2016, vol. 59, # 23, p. 10530 - 10548
[5] Organic Process Research and Development, 2015, vol. 19, # 6, p. 611 - 617

(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one Preparation Products And Raw materials

(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one Suppliers

Global Suppliers ( 89)
Supplier Tel Email Country ProdList Advantage
Nantong Huakang Medicine Technology Co.,Ltd. 18912220755 249125764@qq.com China 21 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Shanghai Sinch Parmaceuticals Tech. Co. Ltd. +86-21-54098501 sales@sinch.com.cn China 11592 64
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14098 59
Shanghai Longsheng chemical Co.,Ltd. 58099637 13585536065 sales@shlschem.com China 9880 59
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Shanghai Sphchem Co., Ltd. 021-56491756 13512199871 2819742715@qq.com China 3994 55
Chengdu Ai Keda Chemical Technology Co., Ltd. 4008-755-333 18080918076 800078821@qq.com China 9706 55
Shanghai T&W Pharmaceutical Co., Ltd. +86 21 61551611 China 9874 58

View Latest Price from (R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one pictures 2026-07-16 (R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one
145589-03-3
1KG 99% 1000kgs Shaanxi Dideu New Materials Co. Ltd
(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one pictures 2020-01-10 (R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one
145589-03-3
$1.00 1KG 99% 200kg Career Henan Chemical Co

(R)-3-(3-Methylbutanoyl)-4-benzyloxazolidin-2-one Spectrum

(R)-3-(3-methylbutanoyl)-4-benzyloxazolidin-2-one 3-isovaleroyl-4(R)-benzyl-oxazolidin-2-one (4R)-4-benzyl-3-(3-Methylbutanoyl)-1,3-oxazolidin-2-one 3-(3-Methyl-1-oxobutyl)-4-(p henylMethyl)-, (R)-2-Oxazolidinone (4R)-3-(3-Methyl-1-oxobutyl)-4-(phenylMethyl)-2-oxazolidinone (4R)-4-Benzyl-3-isovaleryloxazolidin-2-one 4R-Benzyl-3-(3-Methylbutyryl)oxazolidin-2-one Oxazolidinone, 3-(3-methyl-1-oxobutyl)-4-(phenylmethyl)-, (4R)- 2-Oxazolidinone, 3-(3-Methyl-1-oxobutyl)-4-(phenylMethyl)-, (R)- 2-Oxazolidinone,3-(3-Methyl-1-oxobutyl)-4-(phenylMethyl)-, (4R)- -4-Benzyl-3-(3-methylbutanoyl) (R)-4-benzyl-3-(3-Methylbutanoyl)oxazolidin-2-one (4R)-4-Benzyl-3-(3-methyl-butyryl)-oxazolidin-2-one (R)-3-(3-Methylbutanoyl)-4- 145589-03-3 Aromatics Chiral Reagents Miscellaneous Reagents