ES8606333A1 - Piperidine-di:one derivs. prepn. - Google Patents

Piperidine-di:one derivs. prepn.

Info

Publication number
ES8606333A1
ES8606333A1 ES550086A ES550086A ES8606333A1 ES 8606333 A1 ES8606333 A1 ES 8606333A1 ES 550086 A ES550086 A ES 550086A ES 550086 A ES550086 A ES 550086A ES 8606333 A1 ES8606333 A1 ES 8606333A1
Authority
ES
Spain
Prior art keywords
piperidine
derivs
dione
pyridyl
reacting
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
ES550086A
Other languages
Spanish (es)
Other versions
ES550086A0 (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.)
Laboratorio Veris SL
Original Assignee
Laboratorio Veris SL
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 Laboratorio Veris SL filed Critical Laboratorio Veris SL
Priority to ES550086A priority Critical patent/ES8606333A1/en
Publication of ES8606333A1 publication Critical patent/ES8606333A1/en
Publication of ES550086A0 publication Critical patent/ES550086A0/en
Priority to PT83567A priority patent/PT83567B/en
Expired legal-status Critical Current

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  • Hydrogenated Pyridines (AREA)

Abstract

2,6-Piperidine-dione derivs. of formula (I), in which R1 and R2 are 1-4C alkyl, n is 2 or 3 and Het is 2-pyridyl or 2-pyrimidyl are made by (a) reacting 4,4-dialkyl 2,6-piperidine dione with a 1,4-dihalo-butane to give a halo-butyl piperidine dione (b) condensing this with ethylene diamine to give the amine (c) reacting with 2-pyridyl or 2-pyrimidyl chloride or bromide and (d) treating the prod. with an alkyl dihalide of formula Hal-(CH2)n-Hal to obtain (I) and its addn. salts with mineral acids.
ES550086A 1985-12-18 1985-12-18 Piperidine-di:one derivs. prepn. Expired ES8606333A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES550086A ES8606333A1 (en) 1985-12-18 1985-12-18 Piperidine-di:one derivs. prepn.
PT83567A PT83567B (en) 1985-12-18 1986-10-17 A novel process for the preparation of 2,6-pyridinedione derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES550086A ES8606333A1 (en) 1985-12-18 1985-12-18 Piperidine-di:one derivs. prepn.

Publications (2)

Publication Number Publication Date
ES8606333A1 true ES8606333A1 (en) 1986-04-01
ES550086A0 ES550086A0 (en) 1986-04-01

Family

ID=8490476

Family Applications (1)

Application Number Title Priority Date Filing Date
ES550086A Expired ES8606333A1 (en) 1985-12-18 1985-12-18 Piperidine-di:one derivs. prepn.

Country Status (2)

Country Link
ES (1) ES8606333A1 (en)
PT (1) PT83567B (en)

Also Published As

Publication number Publication date
ES550086A0 (en) 1986-04-01
PT83567B (en) 1988-10-14
PT83567A (en) 1986-11-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401