Name | (R)-(-)-Glycidyl-4-nitrobenzenesulfonate |
Synonyms | Glycidyl (R)-(-)-4-nitrobenzenesulfonate (R)-(-)-Glycidyl-4-nitrobenzenesulfonate (R)-Oxiran-2-ylmethyl 4-nitrobenzenesulfonate Benzenesulfonic acid, 4-nitro-, (2R)-2-oxiranylMethyl ester |
CAS | 123750-60-7 |
InChI | InChI=1/C9H9NO6S/c11-10(12)7-1-2-9(17(13,14)15)6(3-7)4-8-5-16-8/h1-3,8H,4-5H2,(H,13,14,15)/p-1/t8-/m1/s1 |
Molecular Formula | C9H9NO6S |
Molar Mass | 259.24 |
Boling Point | 60-62℃ |
Appearance | White solid |
Storage Condition | 2-8℃ |
Refractive Index | 1.64 |
MDL | MFCD08460169 |
Use | (R)-(-)-p-nitrobenzene sulfonic acid glycidyl ester is commonly used as an intermediate in pharmaceutical chemistry and organic synthesis, such as for calcium The synthesis of receptor antagonists. In organic synthesis and transformation, the epoxy structure in the structure can undergo ring-opening functionalization reaction under the attack of nucleophiles; in addition, the sulfonic acid in (R)-(-)-p-nitrobenzene sulfonic acid glycidyl ester The ester structure is also a good leaving group, and it can also be attacked by nucleophiles under appropriate reaction conditions to obtain derivatized chiral epoxy compounds. |
synthesis method | (R)-(-)-p-nitrobenzene sulfonic acid glycidyl ester The synthesis method is as follows: slowly add triethylamine (3.75ml) to the solution of (2S)-glycidyl (27mmol) in dichloromethane (25ml) at 0 ℃, then add 4-nitrobenzenesulfonyl chloride (27mmol) solution of dichloromethane (13 ml) to the reaction mixture, and it is necessary to pay attention to the speed of addition so that the temperature does not exceed 15°C. After reacting at 0°C for 1 hour, the reaction solution is restored to room temperature, and then the solution is kept at zero for reaction overnight, the reaction mixture is concentrated, and the residue is purified by column chromatography (0-60% EtOAc/hexane) can be obtained. Figure (R)-(-)-synthesis route of p-nitrobenzene sulfonic acid glycidyl ester |