ES400043A1 - Procedure for the preparation of ftalazone derivatives. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the preparation of ftalazone derivatives. (Machine-translation by Google Translate, not legally binding)

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Publication number
ES400043A1
ES400043A1 ES72400043A ES400043A ES400043A1 ES 400043 A1 ES400043 A1 ES 400043A1 ES 72400043 A ES72400043 A ES 72400043A ES 400043 A ES400043 A ES 400043A ES 400043 A1 ES400043 A1 ES 400043A1
Authority
ES
Spain
Prior art keywords
formula
group
translation
machine
derivatives
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
ES72400043A
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.)
INOUE ISHIKAWA TSUCHIYA
Original Assignee
INOUE ISHIKAWA TSUCHIYA
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 JP836871A external-priority patent/JPS5017072B1/ja
Priority claimed from JP983571A external-priority patent/JPS5010867B1/ja
Priority claimed from JP983671A external-priority patent/JPS5010868B1/ja
Application filed by INOUE ISHIKAWA TSUCHIYA filed Critical INOUE ISHIKAWA TSUCHIYA
Priority claimed from AT443873A external-priority patent/AT318636B/en
Publication of ES400043A1 publication Critical patent/ES400043A1/en
Expired legal-status Critical Current

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

Process for the manufacture of phthalazone derivatives that are represented by the following general formula I **(See formula)** wherein R1 represents an alcoholic group that can be branched or cyclic, or an alkenyl, aryl, aralcoyl, dialkoxylaminoalcoyl, furfuryl, picolyl, or pyridyl group; R2 represents a hydrogen atom, an alcoholic group, aryl, carbamoyl, N-alcoholcarbamoyl, N, N-dialcahilcarbamoyl, alcoholyl sulfonyl, or arylsulfonyl; R3 represents a hydrogen or halogen atom, an alcohol group or an alkoxy group; R4 represents a hydrogen or halogen atom, or an alcoholic, alkoxy, amino, acylamino, alkoxycarbonyl, or carbamoyl group; and can be present at any of the C-5, C-6, C-7, or C-8 positions of the phthalazone nucleus, characterized in that a compound of the general formula II: **(See formula)** in which R2, R3 and R4 have the same meanings as described with respect to formula I, they are reacted with an isocyanate of the formula: **(See formula)** in which R1 has the same meanings as described in formula I. (Machine-translation by Google Translate, not legally binding)
ES72400043A 1935-11-11 1972-02-22 Procedure for the preparation of ftalazone derivatives. (Machine-translation by Google Translate, not legally binding) Expired ES400043A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AT148072T 1935-11-11
JP836871A JPS5017072B1 (en) 1971-02-23 1971-02-23
JP983571A JPS5010867B1 (en) 1971-02-27 1971-02-27
JP983671A JPS5010868B1 (en) 1971-02-27 1971-02-27
AT443873A AT318636B (en) 1935-11-11 1972-02-23 Process for the preparation of new 4-carbamoxymethyl-1-phthalazone derivatives and their acid addition salts

Publications (1)

Publication Number Publication Date
ES400043A1 true ES400043A1 (en) 1974-12-16

Family

ID=27506414

Family Applications (2)

Application Number Title Priority Date Filing Date
ES72400043A Expired ES400043A1 (en) 1935-11-11 1972-02-22 Procedure for the preparation of ftalazone derivatives. (Machine-translation by Google Translate, not legally binding)
ES418847A Expired ES418847A1 (en) 1935-11-11 1973-09-18 Procedure for the preparation of derivatives of 4-carbamoximetil-1-ftalazona. (Machine-translation by Google Translate, not legally binding)

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES418847A Expired ES418847A1 (en) 1935-11-11 1973-09-18 Procedure for the preparation of derivatives of 4-carbamoximetil-1-ftalazona. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (2) ES400043A1 (en)

Also Published As

Publication number Publication date
ES418847A1 (en) 1976-04-16

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