ES8302661A1 - A procedure to prepare a 2 (1H) -piridinone (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure to prepare a 2 (1H) -piridinone (Machine-translation by Google Translate, not legally binding)

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Publication number
ES8302661A1
ES8302661A1 ES80497110A ES497110A ES8302661A1 ES 8302661 A1 ES8302661 A1 ES 8302661A1 ES 80497110 A ES80497110 A ES 80497110A ES 497110 A ES497110 A ES 497110A ES 8302661 A1 ES8302661 A1 ES 8302661A1
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ES
Spain
Prior art keywords
translation
procedure
machine
legally binding
google translate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES80497110A
Other languages
Spanish (es)
Other versions
ES497110A0 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STWB Inc
Original Assignee
Sterling Drug Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/135,100 external-priority patent/US4297360A/en
Priority claimed from US06/198,461 external-priority patent/US4313951A/en
Application filed by Sterling Drug Inc filed Critical Sterling Drug Inc
Publication of ES8302661A1 publication Critical patent/ES8302661A1/en
Publication of ES497110A0 publication Critical patent/ES497110A0/en
Granted legal-status Critical Current

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Abstract

Procedure for the obtaining of 2 (1H) -piridines, as well as their salts of addition of acid or cationic salts, of formula (I), in which r is lower rent; py 4-, 3- o 2-pyridinyl substituted or non-substitute; and q and r can be various types of radicals. It consists in the reaction of a compound of formula (II), in which r and r are lower rent, with malonamide to obtain a compound in which q is carbamilo, or with N-r - α -cianoacetamide if q is cyan. The reaction is carried out by heating the reagents to the reflow temperature in an inert solvent, in the presence of a basic condensation agent, such as a lower alcohol. These compounds have pharmacological applications as cardiotonic agents. (Machine-translation by Google Translate, not legally binding)
ES80497110A 1980-03-28 1980-11-25 A PROCEDURE FOR PREPARING A 2 (1H) -PYRIDINONE Granted ES497110A0 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/135,100 US4297360A (en) 1980-03-28 1980-03-28 5-(Pyridinyl)pyridine-2,3-diamines, preparation thereof and their cardiotonic use
US06/198,461 US4313951A (en) 1979-11-26 1980-10-20 3-Substituted-6-(lower-alkyl)-5-(pyridinyl)-2(1H)-pyridinones, their cardiotonic use and intermediates therefor
US06/204,726 US4312875A (en) 1980-03-28 1980-11-06 5-(Pyridinyl)-6-(lower-alkyl)-2(1H)-pyridinones, 1,2-dihydro-2-oxo-5-(pyridinyl)-6-(lower-alkyl)nicotinic acids and lower-alkyl esters thereof, and cardiotonic use thereof

Publications (2)

Publication Number Publication Date
ES8302661A1 true ES8302661A1 (en) 1982-12-16
ES497110A0 ES497110A0 (en) 1982-12-16

Family

ID=27384668

Family Applications (1)

Application Number Title Priority Date Filing Date
ES80497110A Granted ES497110A0 (en) 1980-03-28 1980-11-25 A PROCEDURE FOR PREPARING A 2 (1H) -PYRIDINONE

Country Status (1)

Country Link
ES (1) ES497110A0 (en)

Also Published As

Publication number Publication date
ES497110A0 (en) 1982-12-16

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Legal Events

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Owner name: STERLING WINTHROP INC.

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PC1A Transfer granted