GB1388986A

GB1388986A – 1-n, 1-n,-phenylbis 5-methyl-4-pyrazolin-3-ones
– Google Patents

GB1388986A – 1-n, 1-n,-phenylbis 5-methyl-4-pyrazolin-3-ones
– Google Patents
1-n, 1-n,-phenylbis 5-methyl-4-pyrazolin-3-ones

Info

Publication number
GB1388986A

GB1388986A
GB4512273A
GB4512273A
GB1388986A
GB 1388986 A
GB1388986 A
GB 1388986A
GB 4512273 A
GB4512273 A
GB 4512273A
GB 4512273 A
GB4512273 A
GB 4512273A
GB 1388986 A
GB1388986 A
GB 1388986A
Authority
GB
United Kingdom
Prior art keywords
phenylbis
pyrazolin
ones
methyl
sept
Prior art date
1972-09-26
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
GB4512273A
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.)

Montedison SpA

Original Assignee
Montedison SpA
Montecatini Edison SpA
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.)
1972-09-26
Filing date
1973-09-26
Publication date
1975-04-03

1973-09-26
Application filed by Montedison SpA, Montecatini Edison SpA
filed
Critical
Montedison SpA

1975-04-03
Publication of GB1388986A
publication
Critical
patent/GB1388986A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

C07D231/18—One oxygen or sulfur atom

C07D231/20—One oxygen atom attached in position 3 or 5

C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms

C07D231/26—1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring

Abstract

1388986 1-N,1-N1-phenylbis-(5-methyl-4- pyrazolin-3-ones) MONTECATINI EDISON SpA 26 Sept 1973 [26 Sept 1972] 45122/73 Heading C2C The invention comprises compounds of formula: in which the pyrazolone ring A1 is in the meta or para position with respect to the pyrazolone ring A. They may be prepared by reacting an excess of the diacetyl dimer in the aldolic form with the phenyldiamine tetrazonium salt housing HSO 4 (-) as an anion, at a temperature of from 30 to 50 C.

GB4512273A
1972-09-26
1973-09-26
1-n, 1-n,-phenylbis 5-methyl-4-pyrazolin-3-ones

Expired

GB1388986A
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

IT29674/72A

IT1043887B
(en)

1972-09-26
1972-09-26

IR IN PENILENBIS 5 METHYL 4 PIRAZOLS 3 ONE AND THEIR PREPARATION PROCEDURE

Publications (1)

Publication Number
Publication Date

GB1388986A
true

GB1388986A
(en)

1975-04-03

Family
ID=11228227
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB4512273A
Expired

GB1388986A
(en)

1972-09-26
1973-09-26
1-n, 1-n,-phenylbis 5-methyl-4-pyrazolin-3-ones

Country Status (9)

Country
Link

US
(1)

US3929827A
(en)

JP
(1)

JPS4969665A
(en)

BE
(1)

BE805351A
(en)

CH
(1)

CH605798A5
(en)

DE
(1)

DE2348083A1
(en)

FR
(1)

FR2200268B1
(en)

GB
(1)

GB1388986A
(en)

IT
(1)

IT1043887B
(en)

NL
(1)

NL7312900A
(en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US5862985A
(en)

*

1996-08-09
1999-01-26
The Rival Company
Showerhead

Family Cites Families (2)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US2013181A
(en)

*

1935-09-03

sulphonic acib and carboxyhc acid

US2936306A
(en)

*

1957-05-17
1960-05-10
Ciba Ltd
Azo-dyestuffs

1972

1972-09-26
IT
IT29674/72A
patent/IT1043887B/en
active

1973

1973-09-19
NL
NL7312900A
patent/NL7312900A/xx
not_active
Application Discontinuation

1973-09-20
JP
JP48105516A
patent/JPS4969665A/ja
active
Pending

1973-09-24
CH
CH1369073A
patent/CH605798A5/xx
not_active
IP Right Cessation

1973-09-25
FR
FR7334254A
patent/FR2200268B1/fr
not_active
Expired

1973-09-25
US
US400516A
patent/US3929827A/en
not_active
Expired – Lifetime

1973-09-25
DE
DE19732348083
patent/DE2348083A1/en
active
Pending

1973-09-26
BE
BE136076A
patent/BE805351A/en
unknown

1973-09-26
GB
GB4512273A
patent/GB1388986A/en
not_active
Expired

Also Published As

Publication number
Publication date

CH605798A5
(en)

1978-10-13

IT1043887B
(en)

1980-02-29

BE805351A
(en)

1974-03-26

JPS4969665A
(en)

1974-07-05

NL7312900A
(en)

1974-03-28

FR2200268A1
(en)

1974-04-19

US3929827A
(en)

1975-12-30

FR2200268B1
(en)

1976-05-14

DE2348083A1
(en)

1974-04-04

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Legal Events

Date
Code
Title
Description

1975-08-13
PS
Patent sealed [section 19, patents act 1949]

1982-05-06
PCNP
Patent ceased through non-payment of renewal fee

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