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HRP940443B1 - Process for the preparation of 1-nitro-2,2-diaminoethylene derivatives - Google Patents

Process for the preparation of 1-nitro-2,2-diaminoethylene derivatives

Info

Publication number
HRP940443B1
HRP940443B1 HR940443A HRP940443A HRP940443B1 HR P940443 B1 HRP940443 B1 HR P940443B1 HR 940443 A HR940443 A HR 940443A HR P940443 A HRP940443 A HR P940443A HR P940443 B1 HRP940443 B1 HR P940443B1
Authority
HR
Croatia
Prior art keywords
nitro
preparation
hydrogen
diaminoethylene
derivatives
Prior art date
Application number
HR940443A
Other languages
Croatian (hr)
Inventor
Gzell Laurenz
Original Assignee
Syngenta Participations Ag
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 YU01504/88A external-priority patent/YU150488A/en
Application filed by Syngenta Participations Ag filed Critical Syngenta Participations Ag
Publication of HRP940443A2 publication Critical patent/HRP940443A2/en
Publication of HRP940443B1 publication Critical patent/HRP940443B1/en

Links

Landscapes

  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Hydrogenated Pyridines (AREA)

Abstract

Spoj formule Ia, naznačen time, da u njojX1 i X2 neovisno jedan od drugoga znače vodik ili klor; R1je metil ili etil; R2 je vodik ili metil; R3 je vodik, C1-5alkil, benzil, piridinilmetil ili R2 i R3 zajedno sa dušikovim atomom za kojega su vezani,tvore pirolidinsku skupinu ili N-piperazinsku skupinu. Patent sadrži još 9 patentnih zahtjeva.A compound of formula Ia wherein X1 and X2 independently of one another are hydrogen or chlorine; R 1 is methyl or ethyl; R2 is hydrogen or methyl; R3 is hydrogen, C1-5alkyl, benzyl, pyridinylmethyl or R2 and R3 together with the nitrogen atom to which they are attached form a pyrrolidine group or an N-piperazine group. The patent contains 9 more claims.

HR940443A 1987-08-07 1994-08-10 Process for the preparation of 1-nitro-2,2-diaminoethylene derivatives HRP940443B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH305187 1987-08-07
CH88888 1988-03-09
YU01504/88A YU150488A (en) 1987-08-07 1988-08-04 Process for preparing 1-nitro-2,2-diaminoethylene

Publications (2)

Publication Number Publication Date
HRP940443A2 HRP940443A2 (en) 1996-10-31
HRP940443B1 true HRP940443B1 (en) 2006-07-31

Family

ID=27172506

Family Applications (1)

Application Number Title Priority Date Filing Date
HR940443A HRP940443B1 (en) 1987-08-07 1994-08-10 Process for the preparation of 1-nitro-2,2-diaminoethylene derivatives

Country Status (2)

Country Link
HR (1) HRP940443B1 (en)
SI (1) SI8811504A (en)

Also Published As

Publication number Publication date
SI8811504A (en) 1996-10-31
HRP940443A2 (en) 1996-10-31

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Legal Events

Date Code Title Description
A1OB Publication of a patent application
AIPI Request for the grant of a patent on the basis of a substantive examination of a patent application
PPPP Transfer of rights

Owner name: NOVARTIS AKTIENGESELLSCHAFT, CH

PPPP Transfer of rights

Owner name: SYNGENTA PARTICIPATIONS AG, CH

B1PR Patent granted
ODRP Renewal fee for the maintenance of a patent

Payment date: 20070801

Year of fee payment: 20

PB20 Patent expired after termination of 20 years

Effective date: 20080805