(S)-(+)-1,1'-Bi-2-naphthyl di-p-toluenesulfonate
(S)-(+)-1,1'-Bi-2-naphthyl di-p-toluenesulfonate
CAS: 128544-06-9
Molecular Formula: C34H26O6S2
(S)-(+)-1,1'-Bi-2-naphthyl di-p-toluenesulfonate - Names and Identifiers
| Name | (S)-(+)-1,1'-Bi-2-naphthyl di-p-toluenesulfonate |
| Synonyms | 1,1'-BI-2-NAPHTHYL DITOSYLATE (R)-(-)-1,1'-BI-2-NAPHTHOL DITOSYLATE (S)-(+)-1,1'-BI-2-NAPHTHYL DITOSYLATE 1,1'-BI-2-NAPHTHYL DI-P-TOLUENESULFONATE 1,1'-BI-2-NAPHTHYL DI-P-TOLUENESULPHONATE (S)-(+)-1,1'-Bi-2-naphthyl di-p-toluenesulfonate (R)-(-)-2,2'-BIS(P-TOLUENESULFONYLOXY)-1,1'-BINAPHTHYL (S)-(-)-2,2-Bis(p-toluenesulfonyloxy)-1,1-binaphthalene 1,1'-binaphthalene-2,2'-diyl bis(4-methylbenzenesulfonate) 4-methylbenzenesulfonic acid [1-[2-(4-methylphenyl)sulfonyloxy-1-naphthalenyl]-2-naphthalenyl] ester |
| CAS | 128544-06-9 |
| InChI | InChI=1/C34H26O6S2/c1-23-11-17-27(18-12-23)41(35,36)39-31-21-15-25-7-3-5-9-29(25)33(31)34-30-10-6-4-8-26(30)16-22-32(34)40-42(37,38)28-19-13-24(2)14-20-28/h3-22H,1-2H3 |
(S)-(+)-1,1'-Bi-2-naphthyl di-p-toluenesulfonate - Physico-chemical Properties
| Molecular Formula | C34H26O6S2 |
| Molar Mass | 594.7 |
| Density | 1.1898 (rough estimate) |
| Melting Point | 177-181°C(lit.) |
| Boling Point | 617.35°C (rough estimate) |
| Specific Rotation(α) | 33 º (c=1, CHCl3 36 ºC) |
| Flash Point | 417.4°C |
| Water Solubility | Insoluble |
| Vapor Presure | 1.76E-22mmHg at 25°C |
| Refractive Index | 1.6950 (estimate) |
(S)-(+)-1,1'-Bi-2-naphthyl di-p-toluenesulfonate - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
(S)-(+)-1,1'-Bi-2-naphthyl di-p-toluenesulfonate - Introduction
(S)-(+)-binaphthol di-p-toluenesulfonate, also known as (S)-(+)-biphenylpropionate, is an organic compound. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: Colorless or light yellow crystalline solid
-Molecular formula: C20H20O4S
-Molecular weight: 356.44g/mol
-melting point: 120-122 ℃
-optical rotation:[α]20/D 18.5 ° (c = 1 in methanol)
Use:
- (S)-( )-binaphthol di-p-toluenesulfonate is a chiral compound commonly used as a ligand for asymmetric catalysts.
-It is widely used in the synthesis of organic compounds, and can be used as a catalyst for asymmetric reactions, such as asymmetric reduction, asymmetric acylation, asymmetric amination, etc.
-In addition, it can also be used in drug synthesis, natural product synthesis and other fields.
Preparation Method:
-A common preparation method is synthesis through transesterification. The p-toluenesulfonate and binaphthol are reacted to produce (S)-( )-binaphthol di-p-toluenesulfonate.
Safety Information:
- (S)-( )-binaphthol di-p-toluenesulfonate is not directly harmful to human health under general operation.
-it should be kept away from fire and oxidant, avoid contact with strong acid, strong alkali.
-When using, wear appropriate personal protective equipment, such as chemical goggles, protective gloves, etc.
-Follow the correct operating procedures and use them in a well-ventilated place.
Please note that this is only a general introduction to (S)-( )-binaphthol di-p-toluenesulfonate. The specific application and safety information need to be evaluated and confirmed according to the specific situation. When using this compound, please refer to the relevant safety data sheets and operating instructions, and follow appropriate laboratory specifications and operating procedures.
Nature:
-Appearance: Colorless or light yellow crystalline solid
-Molecular formula: C20H20O4S
-Molecular weight: 356.44g/mol
-melting point: 120-122 ℃
-optical rotation:[α]20/D 18.5 ° (c = 1 in methanol)
Use:
- (S)-( )-binaphthol di-p-toluenesulfonate is a chiral compound commonly used as a ligand for asymmetric catalysts.
-It is widely used in the synthesis of organic compounds, and can be used as a catalyst for asymmetric reactions, such as asymmetric reduction, asymmetric acylation, asymmetric amination, etc.
-In addition, it can also be used in drug synthesis, natural product synthesis and other fields.
Preparation Method:
-A common preparation method is synthesis through transesterification. The p-toluenesulfonate and binaphthol are reacted to produce (S)-( )-binaphthol di-p-toluenesulfonate.
Safety Information:
- (S)-( )-binaphthol di-p-toluenesulfonate is not directly harmful to human health under general operation.
-it should be kept away from fire and oxidant, avoid contact with strong acid, strong alkali.
-When using, wear appropriate personal protective equipment, such as chemical goggles, protective gloves, etc.
-Follow the correct operating procedures and use them in a well-ventilated place.
Please note that this is only a general introduction to (S)-( )-binaphthol di-p-toluenesulfonate. The specific application and safety information need to be evaluated and confirmed according to the specific situation. When using this compound, please refer to the relevant safety data sheets and operating instructions, and follow appropriate laboratory specifications and operating procedures.
Last Update：2024-04-09 15:17:51
