NL7903976A - Werkwijze ter bereiding van diazoniumzouten van 3-aminopyrazool. - Google Patents
Werkwijze ter bereiding van diazoniumzouten van 3-aminopyrazool.Info
- Publication number
- NL7903976A NL7903976A NL7903976A NL7903976A NL7903976A NL 7903976 A NL7903976 A NL 7903976A NL 7903976 A NL7903976 A NL 7903976A NL 7903976 A NL7903976 A NL 7903976A NL 7903976 A NL7903976 A NL 7903976A
- Authority
- NL
- Netherlands
- Prior art keywords
- aminopyrazole
- diazonium salts
- preparing diazonium
- preparing
- salts
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/38—Nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Coloring (AREA)
- Resistance Welding (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT23725/78A IT1096316B (it) | 1978-05-24 | 1978-05-24 | Sali di diazonio del 3-ammino-pirazolo |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7903976A true NL7903976A (nl) | 1979-11-27 |
Family
ID=11209455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7903976A NL7903976A (nl) | 1978-05-24 | 1979-05-21 | Werkwijze ter bereiding van diazoniumzouten van 3-aminopyrazool. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4268436A (it) |
JP (1) | JPS54160370A (it) |
BE (1) | BE876518A (it) |
CA (1) | CA1127634A (it) |
CH (1) | CH641166A5 (it) |
DE (1) | DE2920618A1 (it) |
ES (1) | ES480824A1 (it) |
FR (1) | FR2426713A1 (it) |
GB (1) | GB2021585B (it) |
IT (1) | IT1096316B (it) |
NL (1) | NL7903976A (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2781147B1 (fr) * | 1998-07-20 | 2000-09-15 | Oreal | Compositions pour la teinture des fibres keratiniques contenant des derives de 3-amino pyrazolines a titre de coupleur, procede de teinture et kit de teinture |
GB0603181D0 (en) * | 2006-02-17 | 2006-03-29 | Merck Sharp & Dohme | Treatment of neurodegenerative and psychiatric diseases |
JP6266489B2 (ja) * | 2014-10-30 | 2018-01-24 | 富士フイルム株式会社 | アゾ化合物の製造方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2432034A (en) * | 1944-09-09 | 1947-12-02 | American Cyanamid Co | Chromium complexes of 1-phenyl-5-methyl-3-pyrazolone azo compounds |
GB977326A (en) * | 1961-02-08 | 1964-12-09 | John Michael Tedder | Diazo-pyrrole derivatives |
FR1392645A (fr) * | 1964-02-05 | 1965-03-19 | Kuhlmann Ets | Colorants azoïques basiques |
FR1486066A (fr) * | 1965-07-07 | 1967-06-23 | Geigy Ag J R | Colorants azoïques et leur préparation |
US3597412A (en) * | 1969-01-08 | 1971-08-03 | Hoechst Ag | Basic triazole containing mono-azo dyestuffs |
US3822247A (en) * | 1969-05-13 | 1974-07-02 | Hodogaya Chemical Co Ltd | Quaternized 1-methyl-2-phenyl-3-indolylazo-guanazolyl-azo-1-methyl-2-phenyl-3-indoles |
US3793305A (en) * | 1970-09-14 | 1974-02-19 | Du Pont | One-step process of preparing azo dyes by simultaneous diazotization |
IT1061811B (it) * | 1976-06-25 | 1983-04-30 | Montedison Spa | Coloranti monoazoici gialli insolubili in acqua |
IT1061812B (it) * | 1976-06-25 | 1983-04-30 | Montedison Spa | Processo per la preparazione di i fenil 3 ammino pirazoli |
IT1067981B (it) * | 1976-11-17 | 1985-03-21 | Montedison Spa | Coloranti cationici monoazoici idrosolubili |
-
1978
- 1978-05-24 IT IT23725/78A patent/IT1096316B/it active
-
1979
- 1979-05-21 NL NL7903976A patent/NL7903976A/xx not_active Application Discontinuation
- 1979-05-22 DE DE19792920618 patent/DE2920618A1/de active Granted
- 1979-05-22 FR FR7912960A patent/FR2426713A1/fr active Granted
- 1979-05-23 CH CH482679A patent/CH641166A5/it not_active IP Right Cessation
- 1979-05-23 CA CA328,157A patent/CA1127634A/en not_active Expired
- 1979-05-23 BE BE0/195372A patent/BE876518A/xx not_active IP Right Cessation
- 1979-05-23 ES ES480824A patent/ES480824A1/es not_active Expired
- 1979-05-23 US US06/041,550 patent/US4268436A/en not_active Expired - Lifetime
- 1979-05-23 GB GB7918024A patent/GB2021585B/en not_active Expired
- 1979-05-24 JP JP6333179A patent/JPS54160370A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2021585A (en) | 1979-12-05 |
CH641166A5 (it) | 1984-02-15 |
GB2021585B (en) | 1982-11-03 |
DE2920618A1 (de) | 1979-11-29 |
FR2426713A1 (fr) | 1979-12-21 |
DE2920618C2 (it) | 1990-05-03 |
JPH0349904B2 (it) | 1991-07-31 |
IT7823725A0 (it) | 1978-05-24 |
IT1096316B (it) | 1985-08-26 |
JPS54160370A (en) | 1979-12-19 |
FR2426713B1 (it) | 1984-10-12 |
US4268436A (en) | 1981-05-19 |
BE876518A (fr) | 1979-11-23 |
CA1127634A (en) | 1982-07-13 |
ES480824A1 (es) | 1980-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BV | The patent application has lapsed |