4-Chloromandelic acid

Base Information

• Chemical Name: 4-Chloromandelic acid
• CAS No.: 7138-34-3
• Molecular Formula: C₈H₇ClO₃
• Molecular Weight: 186.595
• Mol file: 7138-34-3.mol

Synonyms:D,L-HYDROXY-(4-CHLOROPHENYL)ACETIC ACID;DL-P-CHLORO MANDELIC ACID;(4-CHLOROPHENYL)(HYDROXY)ACETIC ACID;4-CHLORO-DL-MANDELIC ACID;2-(4-chlorophenyl)-2-hydroxyacetic acid;TIMTEC-BB SBB008325;P-CHLORO-DL-MANDELIC ACID;Chloromandelicacid

Chemical Property of 4-Chloromandelic acid

Chemical Property:

• Vapor Pressure: 7.43E-06mmHg at 25°C
• Melting Point: 114-118 °C
• Boiling Point: 361.4°C at 760 mmHg
• Flash Point: 172.4°C
• PSA: 57.53000
• LogP: 1.45800

Purity/Quality:

98.5% ^*data from raw suppliers

4-Chloromandelic acid AldrichCPR ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 36/37/38-22
• Safety Statements: 22-24/25

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-Chloromandelic acid

There total 56 articles about 4-Chloromandelic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 97.0%

para-chloroacetophenone (99-91-2) → p-chloromandelic acid (7138-34-3,32189-36-9,76496-63-4,492-86-4)

Guidance literature:

With selenium(IV) oxide; ytterbium(III) triflate; In 1,4-dioxane; water; at 90 ℃; for 18h;

DOI:10.1021/ol050125e

Reference yield: 95.0%

4-chloromandelonitrile (13312-83-9) → p-chloromandelic acid (7138-34-3,32189-36-9,76496-63-4,492-86-4)

Guidance literature:

With hydrogenchloride; In water; at 20 ℃; for 21h; Reflux;

Reference yield: 92.0%

phosphoric acid (4-chloro-phenyl)-dicyano-methyl ester diethyl ester → p-chloromandelic acid (7138-34-3,32189-36-9,76496-63-4,492-86-4)

Guidance literature:

With hydrogenchloride; for 10h; Heating;

DOI:10.1016/S0040-4039(98)02099-1

upstream raw materials:

2,2-dibromo-1-(4-chlorophenyl)ethanone

4-chloromandelonitrile

dichloroacethyl chloride

chlorobenzene

Downstream raw materials:

methyl 4-chloromandelate

ethyl 2-(4-chlorophenyl)-2-hydroxyacetate

chloro-(4-chloro-phenyl)-acetic acid methyl ester

ethoxy-(4-chloro-phenyl)-acetic acid ethyl ester

Refernces

• 1、 Peng, Yangfeng,Wang, Jie. "Resolution of halogenated mandelic acids through enantiospecific co-crystallization with levetiracetam". . . Retrieved 2021/09/18.
• 2、 Ding, Jiawei,Zhang, Ming,Dai, Huixue,Lin, Chunmian. "Enantioseparation of chiral mandelic acid derivatives by supercritical fluid chromatography". . p. 1245 - 1256. Retrieved 2018/09/25.