ChemicalBook > CAS DataBase List > BOC-D-THR-OH

BOC-D-THR-OH

Product Name
BOC-D-THR-OH
CAS No.
55674-67-4
Chemical Name
BOC-D-THR-OH
Synonyms
BOC-D-THR;BOC-D-THR-OH;BOC-D-THREONINE;N-Boc-L-threonine;BOC-D-THR-OH USP/EP/BP;BOC-D-THREONINE extrapure;N-ALPHA-T-BOC-D-THREONINE;Boc-D-threonine≥ 98% (HPLC);BOC-D-Threonine(BOC-D-Thr-OH);N-Boc-D-threonine Boc-D-Thr-OH
CBNumber
CB2177386
Molecular Formula
C9H17NO5
Formula Weight
219.24
MOL File
55674-67-4.mol
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BOC-D-THR-OH Property

Melting point:
81 °C
refractive index 
9 ° (C=1, AcOH)
storage temp. 
Sealed in dry,Room Temperature
solubility 
Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
form 
Solid
color 
White to Almost white
Water Solubility 
Slightly soluble in water.
CAS DataBase Reference
55674-67-4(CAS DataBase Reference)
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Safety

HS Code 
29225090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.53102
Product name
Boc-D-Thr-OH
Purity
Novabiochem<SUP>&#174;</SUP>
Packaging
5 g
Price
$63
Updated
2025/07/31
Sigma-Aldrich
Product number
8.53102
Product name
Boc-D-Thr-OH
Purity
Novabiochem<SUP>&#174;</SUP>
Packaging
25 g
Price
$628
Updated
2025/07/31
TCI Chemical
Product number
B2990
Product name
N-(tert-Butoxycarbonyl)-D-threonine
Purity
>98.0%(HPLC)(T)
Packaging
5g
Price
$335
Updated
2025/07/31
TRC
Product number
B668000
Product name
N-Boc-D-threonine
Packaging
1g
Price
$55
Updated
2021/12/16
Usbiological
Product number
264831
Product name
Boc-D-threonine
Packaging
5g
Price
$360
Updated
2021/12/16
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BOC-D-THR-OH Chemical Properties,Usage,Production

Chemical Properties

White powder

Uses

It is known to inhibit growth and cell wall synthesis of Mycobacterium smegmatis. Also used as a synthetic intermediate for the production of chiral antibiotics.

reaction suitability

reaction type: Boc solid-phase peptide synthesis

Synthesis

28954-12-3

24424-99-5

2592-18-9

The general procedure for the synthesis of (2S,3R)-2-((tert-butoxycarbonyl)amino)-3-hydroxybutyric acid from (2S,3S)-2-amino-3-hydroxybutyric acid and di-tert-butyl dicarbonate is as follows: 1. di-tert-butyl dicarbonate (550 mg, 2.52 mmol) was added to a mixture of methanol (2.5 mL) and water (2.5 mL) containing L-isothreonine (250 mg, 2.10 mmol) and sodium bicarbonate (529 mg, 6.30 mmol) at 0 °C. 2. The reaction mixture was gradually warmed to room temperature and stirred continuously at room temperature for 18 hours. 3. Upon completion of the reaction, the methanol was removed by concentration and the remaining aqueous phase was adjusted to pH 3~4 with 6N hydrochloric acid solution. 4. The acidified aqueous phase was extracted with ether (3 times) and all organic phases were combined. 5. The organic phase was washed with water and brine sequentially, and then dried with anhydrous sodium sulfate. 6. The desiccant was removed by filtration, and the filtrate was concentrated under vacuum and further dried under vacuum for 24 h. (2R,3S)-2-((tert-butoxycarbonyl)amino)-3-hydroxybutyric acid (304 mg) was obtained as a white solid. Product identification: LCMS retention time (Rt) = 0.36 min; mass spectrum (MS) m/z 220 [M + H]+, m/z 218 [M-H]-.

References

[1] Organic and Biomolecular Chemistry, 2018, vol. 16, # 38, p. 6935 - 6960
[2] Journal of the American Chemical Society, 2000, vol. 122, # 41, p. 10214 - 10215
[3] Journal of the American Chemical Society, 2003, vol. 125, # 7, p. 1877 - 1887
[4] Journal of Organic Chemistry, 1982, vol. 47, # 26, p. 5160 - 5167
[5] Bioorganic and Medicinal Chemistry Letters, 2004, vol. 14, # 16, p. 4329 - 4332

BOC-D-THR-OH Preparation Products And Raw materials

Raw materials

Preparation Products

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BOC-D-THR-OH Suppliers

ChemPep, Inc.
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View Lastest Price from BOC-D-THR-OH manufacturers

Sichuan HongRi Pharma-Tech Co.,Ltd
Product
Boc-D-Thr-OH 55674-67-4
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1T
Release date
2023-11-14
Career Henan Chemical Co
Product
BOC-D-THR-OH 55674-67-4
Price
US $1.00/kg
Min. Order
1kg
Purity
95%-99%
Supply Ability
as request
Release date
2018-12-24

55674-67-4, BOC-D-THR-OHRelated Search:


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