NL162640C - Werkwijze voor de bereiding van pyridinecarbonzuren. - Google Patents

Werkwijze voor de bereiding van pyridinecarbonzuren.

Info

Publication number
NL162640C
NL162640C NL6916844.A NL6916844A NL162640C NL 162640 C NL162640 C NL 162640C NL 6916844 A NL6916844 A NL 6916844A NL 162640 C NL162640 C NL 162640C
Authority
NL
Netherlands
Prior art keywords
pyridinecarbonic
acids
preparing
pyridinecarbonic acids
preparing pyridinecarbonic
Prior art date
Application number
NL6916844.A
Other languages
English (en)
Dutch (nl)
Other versions
NL6916844A (ro
NL162640B (nl
Original Assignee
Lonza 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 CH1668868A external-priority patent/CH495990A/de
Priority claimed from CH273269A external-priority patent/CH504437A/de
Priority claimed from CH862269A external-priority patent/CH511848A/de
Priority claimed from CH1175969A external-priority patent/CH527193A/de
Priority claimed from CH1416869A external-priority patent/CH548394A/de
Application filed by Lonza Ag filed Critical Lonza Ag
Publication of NL6916844A publication Critical patent/NL6916844A/xx
Publication of NL162640B publication Critical patent/NL162640B/xx
Application granted granted Critical
Publication of NL162640C publication Critical patent/NL162640C/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D213/79—Acids; Esters
    • C07D213/803—Processes of preparation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
NL6916844.A 1968-11-08 1969-11-07 Werkwijze voor de bereiding van pyridinecarbonzuren. NL162640C (nl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH1668868A CH495990A (de) 1968-11-08 1968-11-08 Verfahren zur Herstellung von Pyridincarbonsäuren
CH273269A CH504437A (de) 1968-11-08 1969-02-24 Verfahren zur Herstellung von Pyridincarbonsäuren
CH862269A CH511848A (de) 1968-11-08 1969-06-06 Verfahren zur Herstellung von Pyridincarbonsäuren
CH1175969A CH527193A (de) 1968-11-08 1969-08-01 Verfahren zur Herstellung von Pyridincarbonsäuren
CH1416869A CH548394A (de) 1969-09-19 1969-09-19 Verfahren zur herstellung von pyridincarbonsaeuren.

Publications (3)

Publication Number Publication Date
NL6916844A NL6916844A (ro) 1970-05-12
NL162640B NL162640B (nl) 1980-01-15
NL162640C true NL162640C (nl) 1980-06-16

Family

ID=27509078

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6916844.A NL162640C (nl) 1968-11-08 1969-11-07 Werkwijze voor de bereiding van pyridinecarbonzuren.

Country Status (15)

Country Link
US (1) US3657259A (ro)
AT (1) AT293388B (ro)
BE (1) BE741373A (ro)
DE (1) DE1956117C3 (ro)
DK (1) DK126652B (ro)
FR (1) FR2030070A1 (ro)
GB (1) GB1222778A (ro)
HU (1) HU162275B (ro)
IT (1) IT1046927B (ro)
NL (1) NL162640C (ro)
NO (1) NO130114B (ro)
PL (1) PL80332B1 (ro)
RO (1) RO56145A (ro)
SE (1) SE379539B (ro)
YU (1) YU34402B (ro)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001257A (en) * 1972-12-02 1977-01-04 Nippon Soda Company Limited Process for producing nicotinic acid
US5520828A (en) * 1994-06-16 1996-05-28 Lever Brothers Company, Division Of Conopco, Inc. Fabric conditioners derived from pyridine carboxylic acids

Also Published As

Publication number Publication date
SE379539B (ro) 1975-10-13
DK126652B (da) 1973-08-06
HU162275B (ro) 1973-01-29
NL6916844A (ro) 1970-05-12
DE1956117C3 (de) 1975-09-04
GB1222778A (en) 1971-02-17
YU34402B (en) 1979-07-10
DE1956117A1 (de) 1970-06-11
RO56145A (ro) 1974-03-01
US3657259A (en) 1972-04-18
IT1046927B (it) 1980-07-31
NL162640B (nl) 1980-01-15
NO130114B (ro) 1974-07-08
PL80332B1 (en) 1975-08-30
DE1956117B2 (de) 1975-01-23
AT293388B (de) 1971-10-11
BE741373A (ro) 1970-04-16
YU277169A (en) 1978-12-31
FR2030070A1 (ro) 1970-10-30

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee