204589-84-4

Basic information

• Product Name: 3-((3R,4S)-1-(4-fluorophenyl)-2-oxo-4-(4-(benzyloxy)phenyl)azetidin-3-yl)propionic acid chloride
• Synonyms: 3-((3R,4S)-1-(4-fluorophenyl)-2-oxo-4-(4-(benzyloxy)phenyl)azetidin-3-yl)propionic acid chloride
• CAS NO: 204589-84-4
• Molecular Weight: 437.898
• Mol File: 204589-84-4.mol
• Article Data: 8

Chemical Properties

• CAS DataBase Reference: 3-((3R,4S)-1-(4-fluorophenyl)-2-oxo-4-(4-(benzyloxy)phenyl)azetidin-3-yl)propionic acid chloride(CAS DataBase Reference)
• NIST Chemistry Reference: 3-((3R,4S)-1-(4-fluorophenyl)-2-oxo-4-(4-(benzyloxy)phenyl)azetidin-3-yl)propionic acid chloride(204589-84-4)
• EPA Substance Registry System: 3-((3R,4S)-1-(4-fluorophenyl)-2-oxo-4-(4-(benzyloxy)phenyl)azetidin-3-yl)propionic acid chloride(204589-84-4)

Safety Data

• Hazardous Substances Data: 204589-84-4(Hazardous Substances Data)

Upstream product

• 204589-80-0 methyl 3-((2S,3R)-2-(4-(benzyloxy)phenyl)-1-(4-fluorophenyl)-4-oxoazetidin-3-yl)propanoate 
• 219653-96-0 (Z)-1-(4-(benzyloxy)phenyl)-N-(4-fluorophenyl)methaneimine 
• 204589-82-2 (3R,4S)-1-(4-fluorophenyl)-3-(3-hydroxy-3-oxopropyl)-4-(4-benzyloxyphenyl)-2-azetidinone 

Downstream Products

• 190595-65-4 (3R,4S)-4-[4-(benzyloxy)phenyl]-1-(4-fluorophenyl)-3-[3-(4-fluorophenyl)-3-oxopropyl]azetidin-2-one 
• 163380-20-9 4(S)-(4-acetyloxyphenyl)-3(R)-(3(S)-acetyloxy-3-(4-fluorophenyl)propyl)-1-(4-fluorophenyl)-2-azetidinone 
• 163380-15-2 (3R,4S,3'R)-1-(4-fluorophenyl)-4-(4-hydroxyphenyl)-3-[3'-(4-fluorophenyl)-3'-hydroxy-propyl]-azetidin-2-one 
• 163222-32-0 (3R,4S)-1-(4-fluorophenyl)-3-[3-(4-fluorophenyl)-3(S)-hydroxypropyl]-4-(4-benzyloxyphenyl)-2-azetidinone 
• 163380-16-3 (3R,4S)-1-(4-fluorophenyl)-3-[(3R)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)-azetidin-2-one 
• 163222-33-1 ezetemibe 
• 204589-68-4 1-(4-fluorophenyl)-(3R)-[(4-fluorophenyl)-(2E)-propenyl]-(4S)-(4-hydroxyphenyl)-2-azetidinone 
• 191330-56-0 [14C]-Sch 57871 

Relevant articles and documents

Process for the preparation of ezetimibe and derivatives thereof

The present invention relates to the method of preparing of ezetimibe and in particular to novel intermediates for its synthesis and an improved process for preparing such intermediates. Said intermediates may be obtained in high yields and purity in a fast and cost efficient manner. The present invention relates to a novel crystalline form of ezetimibe as well.

PROCESS FOR PREPARING HIGHLY PURE EZETIMIBE USING NOVEL INTERMEDIATES

The present invention relates to an industrially advantageous process for the preparation of ezetimibe of formula (I) in high yields by using novel benzyl ester intermediates. The present invention further provides a process for the purification of ezetimibe of formula (I).

IMPROVED PROCESS FOR THE PREPARATION OF EZETIMIBE

The present invention relates to a cost effective and industrially advantageous process for the preparation of (3R,4S)-l-(4-Fluorophenyl)-3-[3(S)-3-(4-fluorophenyl)-3 - hydroxypropyl)]-4-(4-hydroxyρhenyl)-2-azetidinone, referred to here as Ezetimibe, it is represented as formula (1).