L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER P-TOLUENESULFONATE SALT
Asp(OBzl)-OBzl.TosOH
CAS: 2886-33-1
Molecular Formula: C25H27NO7S
L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER P-TOLUENESULFONATE SALT - Names and Identifiers
| Name | Asp(OBzl)-OBzl.TosOH |
| Synonyms | Asp(OBzl)-OBzl.TosOH H-Asp(OBzl)-OBzl·TosOH H-Asp(OBzl)-OBzl.TosOH dibenzyl L-aspartate 4-methylbenzenesulfonate L-ASPARTIC ACID DIBENZYL ESTER P-TOLUENESULFONATE L-Aspartic acid dibenzyl ester 4-toluenesulfonate L-ASPARTIC ACID DIBENZYL ESTER TOLUENE-4-SULFONATE L-ASPARTIC ACID-1,4-DIBENZYL ESTER-4-TOLUENESULFONATE L-ASPARTIC ACID DIBENZYL ESTER P-TOLUENESULFONATE SALT L-ASPARTIC ACID DIBENZYL ESTER 4-TOLUENESULFONATE SALT L-ASPARTIC ACID BETA-BENZYL ESTER ALPHA-BENZYL ESTER TOSYLATE L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER TOLUENESULFONATE SALT L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER P-TOLUENESULFONATE SALT L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER 4-TOLUENESULFONATE SALT |
| CAS | 2886-33-1 |
| EINECS | 220-746-2 |
| InChI | InChI=1/C18H19NO4.C7H8O3S/c19-16(18(21)23-13-15-9-5-2-6-10-15)11-17(20)22-12-14-7-3-1-4-8-14;1-6-2-4-7(5-3-6)11(8,9)10/h1-10,16H,11-13,19H2;2-5H,1H3,(H,8,9,10)/t16-;/m0./s1 |
L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER P-TOLUENESULFONATE SALT - Physico-chemical Properties
| Molecular Formula | C25H27NO7S |
| Molar Mass | 485.55 |
| Melting Point | 157-160°C(lit.) |
| Boling Point | 455.3°C at 760 mmHg |
| Specific Rotation(α) | 9 º (c=1 in chloroform) |
| Flash Point | 180.5°C |
| Solubility | Chloroform, DMSO, Methanol |
| Vapor Presure | 1.78E-08mmHg at 25°C |
| Appearance | Powder |
| Color | Pale brown |
| Storage Condition | Inert atmosphere,2-8°C |
| MDL | MFCD00065188 |
L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER P-TOLUENESULFONATE SALT - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10-21 |
| HS Code | 29224999 |
L-ASPARTIC ACID ALPHA,BETA-BENZYL ESTER P-TOLUENESULFONATE SALT - Introduction
Asp(OBzl)-OBzl.TosOH(Asp(OBzl)-OBzl.TosOH) is an organic compound. It is a compound similar in structure to aspartic acid and is used in chemistry as a protecting group for synthetic polypeptides.
Asp(OBzl)-OBzl.TosOH has some of the following properties:
1. Appearance: Usually a white crystalline solid.
2. Solubility: It has good solubility in some organic solvents, such as dimethylformamide (DMF) and dichloromethane (DCM).
3. Stability: relatively stable at room temperature.
The purpose of Asp(OBzl)-OBzl.TosOH:
1. Chemical synthesis: It can be used as a protective amino acid group to keep it stable during the synthesis of polypeptides and prevent unnecessary reactions.
2. Drug research and development: Due to its application in peptide synthesis, Asp(OBzl)-OBzl.TosOH is also widely used in drug research and development.
preparation method of Asp(OBzl)-OBzl.TosOH:
Asp(OBzl)-OBzl.TosOH can be obtained by reacting L-aspartic acid with BIS-benzyl diisocyanate under alkaline conditions, and then reacting with toluenesulfonic acid to form hydrochloric acid crystals.
Regarding safety information, the specific safety of Asp(OBzl)-OBzl.TosOH still needs further research. It is recommended to wear chemical laboratory standard personal protective equipment, such as protective glasses, laboratory coats and gloves, when handling the compound. Avoid direct contact with skin and eyes, and avoid inhaling dust or gas. Observe the relevant chemical safety procedures during use and storage.
Asp(OBzl)-OBzl.TosOH has some of the following properties:
1. Appearance: Usually a white crystalline solid.
2. Solubility: It has good solubility in some organic solvents, such as dimethylformamide (DMF) and dichloromethane (DCM).
3. Stability: relatively stable at room temperature.
The purpose of Asp(OBzl)-OBzl.TosOH:
1. Chemical synthesis: It can be used as a protective amino acid group to keep it stable during the synthesis of polypeptides and prevent unnecessary reactions.
2. Drug research and development: Due to its application in peptide synthesis, Asp(OBzl)-OBzl.TosOH is also widely used in drug research and development.
preparation method of Asp(OBzl)-OBzl.TosOH:
Asp(OBzl)-OBzl.TosOH can be obtained by reacting L-aspartic acid with BIS-benzyl diisocyanate under alkaline conditions, and then reacting with toluenesulfonic acid to form hydrochloric acid crystals.
Regarding safety information, the specific safety of Asp(OBzl)-OBzl.TosOH still needs further research. It is recommended to wear chemical laboratory standard personal protective equipment, such as protective glasses, laboratory coats and gloves, when handling the compound. Avoid direct contact with skin and eyes, and avoid inhaling dust or gas. Observe the relevant chemical safety procedures during use and storage.
Last Update：2024-04-09 20:02:46
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QQ: 3008007409
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