ES357191A2 - PROCEDURE FOR THE PREPARATION OF NEW 5,11-DIHIDRO-6HPIRIDO (2,3, -B) (1,4) -BENZODIAZEPIN-6-ONAS SUBSTITUTED IN POSITION 11. - Google Patents

PROCEDURE FOR THE PREPARATION OF NEW 5,11-DIHIDRO-6HPIRIDO (2,3, -B) (1,4) -BENZODIAZEPIN-6-ONAS SUBSTITUTED IN POSITION 11.

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Publication number
ES357191A2
ES357191A2 ES357191A ES357191A ES357191A2 ES 357191 A2 ES357191 A2 ES 357191A2 ES 357191 A ES357191 A ES 357191A ES 357191 A ES357191 A ES 357191A ES 357191 A2 ES357191 A2 ES 357191A2
Authority
ES
Spain
Prior art keywords
signifies
formula
benzodiazepin
procedure
preparation
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
ES357191A
Other languages
Spanish (es)
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
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
Application filed by Dr Karl Thomae GmbH filed Critical Dr Karl Thomae GmbH
Priority to ES357191A priority Critical patent/ES357191A2/en
Priority claimed from ES357184A external-priority patent/ES357184A1/en
Publication of ES357191A2 publication Critical patent/ES357191A2/en
Expired legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • 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)
ES357191A 1968-08-12 1968-08-12 PROCEDURE FOR THE PREPARATION OF NEW 5,11-DIHIDRO-6HPIRIDO (2,3, -B) (1,4) -BENZODIAZEPIN-6-ONAS SUBSTITUTED IN POSITION 11. Expired ES357191A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES357191A ES357191A2 (en) 1968-08-12 1968-08-12 PROCEDURE FOR THE PREPARATION OF NEW 5,11-DIHIDRO-6HPIRIDO (2,3, -B) (1,4) -BENZODIAZEPIN-6-ONAS SUBSTITUTED IN POSITION 11.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES357191A ES357191A2 (en) 1968-08-12 1968-08-12 PROCEDURE FOR THE PREPARATION OF NEW 5,11-DIHIDRO-6HPIRIDO (2,3, -B) (1,4) -BENZODIAZEPIN-6-ONAS SUBSTITUTED IN POSITION 11.
ES357184A ES357184A1 (en) 1968-08-12 1968-08-12 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)

Publications (1)

Publication Number Publication Date
ES357191A2 true ES357191A2 (en) 1971-01-16

Family

ID=56080478

Family Applications (1)

Application Number Title Priority Date Filing Date
ES357191A Expired ES357191A2 (en) 1968-08-12 1968-08-12 PROCEDURE FOR THE PREPARATION OF NEW 5,11-DIHIDRO-6HPIRIDO (2,3, -B) (1,4) -BENZODIAZEPIN-6-ONAS SUBSTITUTED IN POSITION 11.

Country Status (1)

Country Link
ES (1) ES357191A2 (en)

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Effective date: 20170630