ES238561A2 - Procedure for the obtaining of 4-oxo-2- (halogen alkil-2,3-dihydro- (benzo-1,3-oxacinas) (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the obtaining of 4-oxo-2- (halogen alkil-2,3-dihydro- (benzo-1,3-oxacinas) (Machine-translation by Google Translate, not legally binding)

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Publication number
ES238561A2
ES238561A2 ES0238561A ES238561A ES238561A2 ES 238561 A2 ES238561 A2 ES 238561A2 ES 0238561 A ES0238561 A ES 0238561A ES 238561 A ES238561 A ES 238561A ES 238561 A2 ES238561 A2 ES 238561A2
Authority
ES
Spain
Prior art keywords
halogen
benzo
dihydro
oxo
translation
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
ES0238561A
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 ES0238561A priority Critical patent/ES238561A2/en
Publication of ES238561A2 publication Critical patent/ES238561A2/en
Expired legal-status Critical Current

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  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Abstract

Perfections introduced in the object of the main patent No. 232,328 by: Process for the preparation of 4-oxo-2- (halogenalkyl) -2,3-dihydro- [benzo-1,3-oxazines], characterized for the preparation of compounds of the general formula. ** (See formula) ** where R1 represents a hydrogen or halogen atom, R2 a halogen atom, preferably chlorine or bromine, and n number 2, characterized by treating a salicylamide optionally substituted on the halogen and acrolein, with hydrogen halide gaseous H2O using glacial acetic acid as a solvent, at temperatures below 50º and the reaction mixture is treated in a conventional manner. (Machine-translation by Google Translate, not legally binding)
ES0238561A 1957-11-13 1957-11-13 Procedure for the obtaining of 4-oxo-2- (halogen alkil-2,3-dihydro- (benzo-1,3-oxacinas) (Machine-translation by Google Translate, not legally binding) Expired ES238561A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0238561A ES238561A2 (en) 1957-11-13 1957-11-13 Procedure for the obtaining of 4-oxo-2- (halogen alkil-2,3-dihydro- (benzo-1,3-oxacinas) (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0238561A ES238561A2 (en) 1957-11-13 1957-11-13 Procedure for the obtaining of 4-oxo-2- (halogen alkil-2,3-dihydro- (benzo-1,3-oxacinas) (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES238561A2 true ES238561A2 (en) 1958-12-16

Family

ID=38531261

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0238561A Expired ES238561A2 (en) 1957-11-13 1957-11-13 Procedure for the obtaining of 4-oxo-2- (halogen alkil-2,3-dihydro- (benzo-1,3-oxacinas) (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES238561A2 (en)

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