US 6,310,201 B1 · β-lactams, methods for the preparation of taxanes, and sidechain-bearing taxanes

Abstract

Novel β-lactams finding utility as intermediates in the preparation of sidechain-bearing taxes such as tall and tall derivatives. The present invention also relates to novel methods of coupling β-lactams to form such sidechain-bearing taxes, and to novel sidechain-bearing taxes.

Claims1

Dependent claims

A β-lactam which is (3R-cis)-1-benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone.

Dependencies are inferred from the claim text.

Facts

Application

09/330,452Filed 11 Jun 1999 · continuation

Priority

19 Mar 1993

Granted

30 Oct 2001

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07D 205/08
Having one double bond between ring members or between a ring member and a non-ring member: with one oxygen atom directly attached in position 2,…
A61P 35/00
Antineoplastic agents
C07D 305/14
Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms: condensed with carbocyclic rings or…
C07D
Heterocyclic compounds

Family

Application08/033,598Parent of this continuation · filed 19 Mar 1993

Application08/320,628Parent of this continuation · filed 11 Oct 1994

Application08/878,234Parent of this continuation · filed 18 Jun 1997

US 6,310,201 B1This patent

From the US filing history. Foreign family members aren’t listed.

β-lactams, methods for the preparation of taxanes, and sidechain-bearing taxanes

Life of this patent

Abstract

Claims1

β-lactams, methods for the preparation of taxanes, and sidechain-bearing taxanes

Life of this patent

Abstract

Claims1