Processes for the convergent synthesis of calicheamicin derivatives

US10343989B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-10343989-B2
Application numberUS-201715719504-A
CountryUS
Kind codeB2
Filing dateSep 28, 2017
Priority dateFeb 21, 2006
Publication dateJul 9, 2019
Grant dateJul 9, 2019

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

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This invention describes processes for the convergent synthesis of calicheamicin derivatives, and similar analogs using bifunctional and trifunctional linker intermediates.

First claim

Opening claim text (preview).

What is claimed is: 1. A compound selected from: butanoic acid,3-mercapto-3-methyl-,2-[(E)-1-[4-[4-[(2,5-dioxo-1-pyrrolidinyl)oxy]-4-oxobutoxy]phenyl]ethylidene]hydrazide; and butanoic acid,3-mercapto-3-methyl-,2-[(E)-1[4-(4-hydroxy-4-oxobutoxy)phenyl]ethylidene]hydrazide. 2. A sodium salt of butanoic acid,3-mercapto-3 -methyl -,2-[(E)-1-[4-[4-[(2,5 -dioxo-1-pyrrolidinyl)oxy] -4-oxobutoxy]phenyl]ethylidene]hydrazide. 3. A sodium salt of butanoic acid,3-mercapto-3-methyl-,2-[(E)-1-[4-(4-hydroxy-4-oxobutoxy)phenyl]ethylidene]hydrazide. 4. The compound of claim 1 , wherein the compound is butanoic acid,3-mercapto-3-methyl-,2-[(E)-1-[4-[4-[(2,5-dioxo-1-pyrrolidinyl)oxy]-4-oxobutoxy]phenyl]ethylidene]hydrazide. 5. The compound of claim 1 , wherein the compound is butanoic acid,3-mercapto-3-methyl-,2-[(E)-1-[4-(4-hydroxy-4-oxobutoxy)phenyl]ethylidene]hydrazide.

Assignees

Inventors

Classifications

  • Antineoplastic agents · CPC title

  • with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms, e.g. succinimide · CPC title

  • containing three or more hetero rings · CPC title

  • Monocyclic carbocyclic rings other than cyclohexane rings; Bicyclic carbocyclic ring systems · CPC title

  • with hetero atoms directly attached to the ring nitrogen atom · CPC title

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What does patent US10343989B2 cover?
This invention describes processes for the convergent synthesis of calicheamicin derivatives, and similar analogs using bifunctional and trifunctional linker intermediates.
Who is the assignee on this patent?
Wyeth Llc
What technology area does this patent fall under?
Primary CPC classification C07C323/60. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Jul 09 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).