logo

For the Inventor, By the Inventor

The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11008296 B1

PDFFull Text
Date of Patent:
May. 18, 2021

Filed:

Nov. 20, 2018

Intermediates for the preparation of eribulin thereof

Applicant:

Natco Pharma Limited, Hyderabad, IN;

Inventors:

Bulli Babi Vipparla, Hyderabad, IN;

Sreenivas Nagapuri, Hyderabad, IN;

Sathaiah Kandula, Hyderabad, IN;

Janaki Rama Rao Ravi, Hyderabad, IN;

Durga Prasad Konakanchi, Hyderabad, IN;

Pulla Reddy Muddasani, Hyderabad, IN;

Venkaiah Chowdary Nannapaneni, Hyderabad, IN;

Assignee:

Natco Pharma Limited, Hyderabad, IN;

Attorney:

Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.

Primary Examiner:

Taylor V Oh

Int. Cl.
CPC ...
C07D 307/20 (2006.01);
U.S. Cl.
CPC ...
C07D 307/20 (2013.01);
Abstract

The present invention relates to novel intermediates of Eribulin and process for the preparation of the same. The process of the present invention is commercially viable and can be easily adopted for plant scale operations. The present invention relates to tetrahydrofuran compounds of formula I, X, XI, D and B.

Find Patent Forward Citations

Quick Actions:

Vipparla, Bulli. (2021). Intermediates for the preparation of eribulin thereof (U.S. Patent No. 11008296). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11008296

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…