ES454689A1 - Un procedimiento para la produccion de nuevos derivados de pirazolina. - Google Patents

Un procedimiento para la produccion de nuevos derivados de pirazolina.

Info

Publication number
ES454689A1
ES454689A1 ES454689A ES454689A ES454689A1 ES 454689 A1 ES454689 A1 ES 454689A1 ES 454689 A ES454689 A ES 454689A ES 454689 A ES454689 A ES 454689A ES 454689 A1 ES454689 A1 ES 454689A1
Authority
ES
Spain
Prior art keywords
compounds useful
optical brighteners
pyrazoline compounds
hydrogen
pyrazoline
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
ES454689A
Other languages
English (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.)
Sandoz AG
Original Assignee
Sandoz 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
Application filed by Sandoz AG filed Critical Sandoz AG
Publication of ES454689A1 publication Critical patent/ES454689A1/es
Expired legal-status Critical Current

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
    • C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)
  • Paper (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Coloring (AREA)
ES454689A 1974-06-18 1976-12-29 Un procedimiento para la produccion de nuevos derivados de pirazolina. Expired ES454689A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH831174A CH602659A5 (es) 1974-06-18 1974-06-18

Publications (1)

Publication Number Publication Date
ES454689A1 true ES454689A1 (es) 1977-11-16

Family

ID=4338369

Family Applications (2)

Application Number Title Priority Date Filing Date
ES438651A Expired ES438651A1 (es) 1974-06-18 1975-06-17 Un procedimiento para la produccion de nuevos derivados de pirazolina.
ES454689A Expired ES454689A1 (es) 1974-06-18 1976-12-29 Un procedimiento para la produccion de nuevos derivados de pirazolina.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES438651A Expired ES438651A1 (es) 1974-06-18 1975-06-17 Un procedimiento para la produccion de nuevos derivados de pirazolina.

Country Status (18)

Country Link
US (1) US3988346A (es)
JP (1) JPS5113830A (es)
AR (1) AR205466A1 (es)
BE (1) BE830288A (es)
BR (1) BR7503829A (es)
CA (1) CA1051440A (es)
CH (1) CH602659A5 (es)
CS (1) CS187481B2 (es)
DD (1) DD119594A5 (es)
DE (1) DE2524927C3 (es)
ES (2) ES438651A1 (es)
FR (1) FR2275463A1 (es)
GB (1) GB1512435A (es)
IT (1) IT1040624B (es)
NL (1) NL164276C (es)
PL (1) PL101193B1 (es)
SU (1) SU635887A3 (es)
ZA (1) ZA753906B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164500A (en) * 1975-07-31 1979-08-14 Basf Aktiengesellschaft Pyrazoline compounds
US4129563A (en) * 1975-07-31 1978-12-12 Basf Aktiengesellschaft Pyrazoline compounds
GB2623090A (en) 2022-10-04 2024-04-10 Sublino Ltd Method of colouring

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL291734A (nl) * 1962-04-21 1964-05-11 Hoechst Ag Optisch bleekmiddel
BE631367A (es) * 1963-04-22
AT284773B (de) * 1968-02-24 1970-09-25 Bayer Ag Aufhellungsmittel
ES388953A1 (es) * 1970-03-11 1975-03-16 Farbwerke Hoechst A G V Meiste Procedimiento para la preparacion de compuestos de pirazo- lina.

Also Published As

Publication number Publication date
DE2524927B2 (de) 1980-03-20
FR2275463B1 (es) 1979-01-19
DD119594A5 (es) 1976-05-05
DE2524927C3 (de) 1980-11-06
CH602659A5 (es) 1978-07-31
BR7503829A (pt) 1976-07-06
AU8216975A (en) 1976-12-23
DE2524927A1 (de) 1976-01-02
NL164276C (nl) 1980-12-15
JPS5629903B2 (es) 1981-07-11
CA1051440A (en) 1979-03-27
AR205466A1 (es) 1976-05-07
PL101193B1 (pl) 1978-12-30
IT1040624B (it) 1979-12-20
GB1512435A (en) 1978-06-01
ES438651A1 (es) 1977-06-16
JPS5113830A (en) 1976-02-03
BE830288A (fr) 1975-12-16
US3988346A (en) 1976-10-26
CS187481B2 (en) 1979-01-31
NL7507067A (nl) 1975-12-22
FR2275463A1 (fr) 1976-01-16
ZA753906B (en) 1977-01-26
SU635887A3 (ru) 1978-11-30

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19910930