68858-20-8
- Product Name:Fmoc-L-Valine
 - Molecular Formula:C20H21NO4
 - Purity:99%
 - Molecular Weight:339.391
 
Product Details;
CAS#: 68858-20-8
Molecular Formula: C20H21NO4
Appearance: white to light yellow crystal powder
Factory Supply High Purity ≥99.5% Pure 68858-20-8 with Fast Shipping
- Molecular Formula:C20H21NO4
 - Molecular Weight:339.391
 - Appearance/Colour:white to light yellow crystal powder
 - Vapor Pressure:5.19E-13mmHg at 25°C
 - Melting Point:143-145 °C(lit.)
 - Refractive Index:-17.5 ° (C=1, DMF)
 - Boiling Point:551.8 °C at 760 mmHg
 - PKA:3.90±0.10(Predicted)
 - Flash Point:287.5 °C
 - PSA:79.12000
 - Density:1.229 g/cm3
 - LogP:3.83870
 
Fmoc-L-Valine(Cas 68858-20-8) Usage
| 
			 General Description  | 
			
			 The product number for this product was previously 04-12-1039.To obtain a certificate of analysis (CoA) of a lot that begins with the letter “A”, please select the option in the right hand menu “Request a COA for Lot#s starting with A”.  | 
		
InChI:InChI=1/C20H21NO4/c1-12(2)18(19(22)23)21-20(24)25-11-17-15-9-5-3-7-13(15)14-8-4-6-10-16(14)17/h3-10,12,17-18H,11H2,1-2H3,(H,21,24)(H,22,23)/p-1/t18-/m0/s1
68858-20-8 Relevant articles
Self-assembly and anion-response of azobenzene-based L-valinamide derivative
Li, Kechang,Xue, Pengchong
, p. 206 - 212 (2018)
An azobenzene-based L-valinamide derivat...
Fungal Dioxygenase AsqJ Is Promiscuous and Bimodal: Substrate-Directed Formation of Quinolones versus Quinazolinones
Einsiedler, Manuel,Jamieson, Cooper S.,Maskeri, Mark A.,Houk, Kendall N.,Gulder, Tobias A. M.
supporting information, p. 8297 - 8302 (2021/03/01)
Previous studies showed that the FeII/α-...
Novel chiral stationary phases based on 3,5-dimethyl phenylcarbamoylated β-cyclodextrin combining cinchona alkaloid moiety
Zhu, Lunan,Zhu, Junchen,Sun, Xiaotong,Wu, Yaling,Wang, Huiying,Cheng, Lingping,Shen, Jiawei,Ke, Yanxiong
, p. 1080 - 1090 (2020/05/25)
Novel chiral selectors based on 3,5-dime...
COMPOUNDS, COMPOSITIONS, METHODS, AND USES FOR TREATING CANCER AND IMMUNOLOGICAL DISORDERS
-
Paragraph 0546; 0551-0552, (2020/02/06)
The present disclosure provides novel po...
Determination of Chemical and Enantiomeric Purity of α-Amino Acids and their Methyl Esters as N-Fluorenylmethoxycarbonyl Derivatives Using Amylose-derived Chiral Stationary Phases
Islam, Md. Fokhrul,Adhikari, Suraj,Paik, Man-Jeong,Lee, Wonjae
, p. 332 - 338 (2019/04/13)
Liquid chromatographic enantiomer separa...
68858-20-8 Process route
- 
	

 - 126727-02-4
	
Fmoc-valine
 

- 
	

 - 68858-20-8
	
Fmoc-Val-OH
 

- 
	

 - 84624-17-9
	
N-(9-fluorenylmethoxycarbonyl)-D-valine
 
| Conditions | Yield | 
|---|---|
| 
			 With    trifluoroacetic acid;     In   hexane; isopropyl alcohol;   at 25 ℃; Reagent/catalyst; Resolution of racemate;  
			 | 
			|
| 
			 With    chiral column based on 3,5-dimethylphenylcarbamoylated β-cyclodextrin combining cinchona alkaloid immobilized on silica gel;     In   methanol; formic acid; triethylamine; acetonitrile;   at 25 ℃; enantioselective reaction; Resolution of racemate;  
			 | 
			
- 
	

 - 516-06-3,25609-85-2,7004-03-7,921-10-8
	
D,L-valine
 

- 
	

 - 68858-20-8
	
Fmoc-Val-OH
 

- 
	

 - 84624-17-9
	
N-(9-fluorenylmethoxycarbonyl)-D-valine
 
| Conditions | Yield | 
|---|---|
| 
			 Multi-step reaction with 2 steps  
			1.1: sodium carbonate / water; 1,4-dioxane / Cooling with ice 
			1.2: 5 h / 20 °C 
			2.1: trifluoroacetic acid / isopropyl alcohol; hexane / 25 °C / Resolution of racemate 
			With    sodium carbonate; trifluoroacetic acid;     In   1,4-dioxane; hexane; water; isopropyl alcohol;    
			 | 
			
68858-20-8 Upstream products
- 
	72-18-4

L-valine
 - 
	82911-69-1

N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide
 - 
	102774-86-7

9-fluorenylmethyl N-succinimidyl carbonate
 - 
	100803-86-9

3-(9-Fluorenylmethoxycarbonyl)-benzothiazoline-2-thione
 
68858-20-8 Downstream products
- 
	130878-68-1

2,5-dioxopyrrolidin-1-yl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-valinate
 - 
	84000-01-1

9H-fluoren-9-ylmethyl (S)-4-isopropyl-5-oxo-1,3-oxazolidine-3-carboxylate
 - 
	113534-40-0

Fmoc-Val-OTDO
 - 
	86060-87-9

Fmoc-Val-OPfp
 
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