US 5,508,403 A · Phosphorus pyridine compound

Abstract

An agent for enhancing the drug effects of an antitumor drug, which comprises a compound of the formula I: ##STR1## or a pharmaceutically acceptable salt of the compound.

Claims1

Dependent claims

A pyridine compound which is 2-ethyl 2,6-dimethyl-5-(4,6-dimethyl-2-oxo-1,3,2-dioxaphosphorinan-2-yl)-4-(3-nitr ophenyl)-3-pyridinecarboxylate.

Dependencies are inferred from the claim text.

Facts

Application

08/463,511Filed 5 Jun 1995 · division

Priority

JP 63-1930022 Aug 1988

Granted

16 Apr 1996

Term ends

Not estimatedThe source records don’t support an estimate.

Classification15 codes

A61K 31/44
Having six-membered rings with one nitrogen as the only ring hetero atom: non condensed pyridines; Hydrogenated derivatives thereof
A61K 31/445
Non condensed pyridines; Hydrogenated derivatives thereof: non condensed piperidines, e.g. piperocaine
A61K 31/495
Having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins: having six-membered rings with two or more nitrogen atoms as the only ring…
A61K 31/535
Having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins: having six-membered rings with at least one nitrogen and one oxygen as the…

Family

Serial386,254Parent of this continuation · filed 28 Jul 1989

Serial729,904Parent of this division · filed 15 Jul 1991

Serial865,489Parent of this division · filed 9 Apr 1992

US 5,130,303 AParent of this division

US 5,508,403 AThis patent

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

Abstract

An agent for enhancing the drug effects of an antitumor drug, which comprises a compound of the formula I: ##STR1## or a pharmaceutically acceptable salt of the compound.

Phosphorus pyridine compound

Life of this patent

Abstract

Claims1

Phosphorus pyridine compound

Life of this patent

Abstract

Claims1