A New Process For The Synthesis Of High Pure Iohexol And Its Intermediates


Updated about 1 year ago

Abstract

The present invention relates to a process for the preparation and purification of iodinated contrast agents and more particularly relates to a process for the preparation with convenient and environmentally benign and purification of 5-[N-(2,3-dihydroxypropyl)acetamido]-N,N"-bis(2,3-dihydroxy propyl)-2,4,6-triiodoisophtalamide, Iohexol (1), using simple silica gel or protection as acetal or ester by completely avoiding so called resin purifications to attain a high chemical purity.

Information

Application ID 201641012424
Invention Field CHEMICAL
Date of Application 2016-04-08
Publication Number 43/2017

Applicants

Name Address Country Nationality
Saraca Laboratories Limited Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District),Telangana, Pin – 502 319 India India

Inventors

Name Address Country Nationality
Kesamreddy Ranga Reddy Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District), Telangana, Pin – 502 319 India India
Emani Vijay Bhaskar Reddy Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District), Telangana, Pin – 502 319 India India
Komsani Srinivasa Reddy Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District), Telangana, Pin – 502 319 India India
Akkinapalli Gangadhar Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District), Telangana, Pin – 502 319 India India
Sunil V. Lingareddy Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District), Telangana, Pin – 502 319 India India

Specification

Documents

Name Date
Form 5 [08-04-2016(online)].pdf 2016-04-08
Form 3 [08-04-2016(online)].pdf 2016-04-08
Correspondence by agent_Proof Of Right_01-11-2016.pdf 2016-11-01
Description(Provisional) [08-04-2016(online)].pdf 2016-04-08
Other Patent Document [25-10-2016(online)].pdf 2016-10-25
Description(Complete) [16-02-2017(online)].pdf_231.pdf 2017-02-16
Form 26 [25-10-2016(online)].pdf 2016-10-25
Other Patent Document [25-10-2016(online)].pdf_88.pdf 2016-10-25
Description(Complete) [16-02-2017(online)].pdf 2017-02-16

Orders

Applicant Section Controller Decision Date URL