L-Aspartic acid dibenzyl ester 4-toluenesulfonate

CAS No.：2886-33-1

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L-Aspartic acid dibenzyl ester 4-toluenesulfonate Basic information

Product Name:	L-Aspartic acid dibenzyl ester 4-toluenesulfonate
Synonyms:	L-ASPARTIC ACID BETA-BENZYL ESTER ALPHA-BENZYL ESTER TOSYLATE;L-ASPARTIC ACID DIBENZYL ESTER 4-TOLUENESULFONATE SALT;L-ASPARTIC ACID DIBENZYL ESTER P-TOLUENESULFONATE;L-ASPARTIC ACID DIBENZYL ESTER P-TOLUENESULFONATE SALT;L-ASPARTIC ACID DIBENZYL ESTER TOLUENE-4-SULFONATE;L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER 4-TOLUENESULFONATE SALT;L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER P-TOLUENESULFONATE SALT;L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER TOLUENESULFONATE SALT
CAS:	2886-33-1
MF:	C25H27NO7S
MW:	485.55
EINECS:	220-746-2
Product Categories:	Amino Acids;Aspartic acid [Asp, D];Amino Acids and Derivatives;Amino Acids and Derivatives;Amino Acid Derivatives;Aspartic Acid;Amino Acids Derivatives;Peptide Synthesis
Mol File:	2886-33-1.mol

L-Aspartic acid dibenzyl ester 4-toluenesulfonate Chemical Properties

Melting point	157-160 °C(lit.)
alpha	9 º (c=1 in chloroform)
storage temp.	Inert atmosphere,2-8°C
solubility	Chloroform, DMSO, Methanol
form	Powder
color	Pale brown
CAS DataBase Reference	2886-33-1(CAS DataBase Reference)

Safety Information

Safety Statements	22-24/25
WGK Germany	3
F	3-10-21
HS Code	29224999

MSDS Information

Provider	Language
SigmaAldrich	English

L-Aspartic acid dibenzyl ester 4-toluenesulfonate Usage And Synthesis

Chemical Properties	White Solid
Uses	L-Aspartic Acid Dibenzyl Ester p-Toluenesulfonate Salt is used in the preparation of Betulinic Acid derivatives that show inhibition towards HIV. It is also used in the preparation of piperidine funct ional amides which act as potent and highly selective human β3 agonists.

L-Aspartic acid dibenzyl ester 4-toluenesulfonate Preparation Products And Raw materials

Raw materials	D-ASPARTIC ACID(OBZL)-OBZL P-TOSYLATE-->Tosyl chloride-->L-Aspartic acid-->p-Toluenesulfonic acid-->Benzyl alcohol
Preparation Products	Boc-L-aspartic acid 4-benzyl ester

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