ES357191A2 - Procedure for the preparation of new 5-ii-dihydro-6hpiride (2,3-b) (i, 4) -benzodiazepin-6-onas replaced in position ii (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of new 5-ii-dihydro-6hpiride (2,3-b) (i, 4) -benzodiazepin-6-onas replaced in position ii (Machine-translation by Google Translate, not legally binding)
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.)
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.)
Boehringer Ingelheim Pharma GmbH and Co KG
Original Assignee
Dr Karl Thomae GmbH
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Publication date
Application filed by Dr Karl Thomae GmbHfiledCriticalDr Karl Thomae GmbH
Priority to ES357191ApriorityCriticalpatent/ES357191A2/en
Priority claimed from ES357184Aexternal-prioritypatent/ES357184A1/en
Publication of ES357191A2publicationCriticalpatent/ES357191A2/en
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
Improvements introduced in the object of the main Patent No. 357,184, applied for on 12-8-68 by: Procedure for the preparation of new 5,11-dihydro-6H-pyrido [2,3-b] [1,4] -benzodiazepin -6-ones substituted in position 11 of the general formula, **(See formula)** wherein R1 signifies a hydrogen atom, an alcoholic or lower alkenyl radical and signifies a lower alcohol radical, characterized in that an isatoic acid anhydride of the formula is reacted **(See formula)** in which R2 has the aforementioned meanings, with a 2-halogen-3-aminopyridine of the general formula **(See formula)** wherein R1 shows the meanings indicated initially and Hal signifies a halogen atom, at temperatures above 150ºC and, in case a compound is obtained in which R1 signifies a hydrogen atom, it is transformed to this if desired, according to usual methods, passing through its alkali metal compound, in a compound in which R1 signifies a lower alkenyl or alcohol radical. (Machine-translation by Google Translate, not legally binding)
ES357191A1968-08-121968-08-12Procedure for the preparation of new 5-ii-dihydro-6hpiride (2,3-b) (i, 4) -benzodiazepin-6-onas replaced in position ii (Machine-translation by Google Translate, not legally binding)
ExpiredES357191A2
(en)
Procedure for the preparation of new 5-ii-dihydro-6hpiride (2,3-b) (i, 4) -benzodiazepin-6-onas replaced in position ii (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new 5,11-dihydro-6h pirido (2,3, -b) (1,4) -benzodiazepin-6-onas substituted in position 11. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new 5-ii-dihydro-6hpiride (2,3-b) (i, 4) -benzodiazepin-6-onas replaced in position ii (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new 5-ii-dihydro-6hpiride (2,3-b) (i, 4) -benzodiazepin-6-onas replaced in position ii (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new 5-ii-dihydro-6hpiride (2,3-b) (i, 4) -benzodiazepin-6-onas replaced in position ii (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new 5,11-dihydro-6h pirido (2,3, -b) (1,4) -benzodiazepin-6-onas substituted in position 11. (Machine-translation by Google Translate, not legally binding)
Procedure for the manufacture of 1 - aril-2,3,4,5 - tetrahydro - 1H - 1,5 benzodiacepin 2 ones. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new 2-alcohilmercapto-5-phenyl- 4h-3,5-benzodiazepin-4-onas. (Machine-translation by Google Translate, not legally binding)
New procedure for obtaining acid salts from addition of 3-phenyl-5-dietilamino-etil-1,2-4, -oxodiazol. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of 2-benzoxazolol ester of acid methyl-1-naftilditizarbamico. (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of 2- (6-metoxy2-nafthy) propionic acid and 2- (6-metoxy-2-nafthyl) -1- propanol. (Machine-translation by Google Translate, not legally binding)